Generated by Rank Math SEO, this is an llms.txt file designed to help LLMs better understand and index this website. # Nathan McCarter Joinery: Nathan McCarter Joinery is a humble, yet progressive joinery business, bringing together master craftsmen, traditional methods, and contemporary tooling. In creating beautifully bespoke and handcrafted timber doors and windows, we give our discerning customers both quality and service from concept to completion and aftercare. Originally set up in 2007, over the years we’ve established an unrivalled reputation which has seen an increase in demand for our joinery services. Our continued success has brought impressive growth and, as a result, has seen us move to our larger workshop premises in Tavistock. As we continue to invest in experience and capability, our productivity and efficiency increase, helping us create artisan timber windows and doors that combine character and performance for your home. As such, Nathan McCarter Joinery has become a name synonymous with quality. ## Sitemaps [XML Sitemap](https://nathanmccarter.co.uk/sitemap_index.xml): Includes all crawlable and indexable pages. ## Posts - [Are Timber Windows Really More Expensive? The Cost Over Time Might Surprise You](https://nathanmccarter.co.uk/are-timber-windows-really-more-expensive/): Timber windows will often appear more expensive upfront. But when you look at them over their full lifespan, they’re often the lower-cost option overall. - [Got Three Timber Window & Door Quotes? Here’s What To Look At Before You Decide](https://nathanmccarter.co.uk/got-three-timber-window-door-quotes/): If you're a homeowner who’s recently had quotes for new timber windows or doors, you might have noticed that the prices swing dramatically between them. One quote may be thousands of pounds lower than another, even though the products appear similar on paper. Another might be a ‘best guess’ without even taking a site survey. Sound familiar?  - [5 Questions Every Homeowner Should Ask Before Ordering Timber Windows Or Doors](https://nathanmccarter.co.uk/5-questions-every-homeowner-should-ask-before-ordering-timber-windows-or-doors/): If you're investing in new timber windows or doors, getting multiple quotes from joinery companies is always the recommended place to start. But once those quotes arrive, many homeowners focus on the overall price without really knowing what's behind each quote. - [Conservation Area Windows: A Guide To Replacing Windows In A Conservation Area](https://nathanmccarter.co.uk/conservation-area-windows/): But though rules and restrictions are usually more relaxed than when you’re working with listed buildings, there are still important things to think about if you want to upgrade conservation area windows. - [Vacuum Or Slimline Double Glazing: Which Is Best For Listed Properties?](https://nathanmccarter.co.uk/vacuum-or-slimline-double-glazing/): While improving the energy efficiency of listed buildings is becoming more necessary, it’s never a straightforward process. Homeowners of these period or heritage properties just want warmer rooms, reduced draughts, and lower energy bills. But any changes to the windows must protect the property's character and historic integrity, which is where difficulties can arise. For glazing, two dominant options are available: vacuum glass and slimline double glazing. Both deliver far better performance over single glazing, and both are suitable for listed properties – but which is best? - [Door And Window Colour Trends For 2026](https://nathanmccarter.co.uk/door-and-window-colour-trends-for-2026/): Colour trends for external doors and window frames are always evolving. And as we look ahead to what’s hot for 2026, we’re seeing a shift towards classic colours, more earthy tones, and even the time-honoured, traditional natural finish. All these finishes are full of character and are well-suited to Britain’s architectural heritage and natural landscape. So, whether you have a period property or a contemporary home, here’s the best of the latest door and window colour trends to inspire you and your project. - [Whole-House Energy Efficiency and Energy-Efficient Windows for Historic and Listed Buildings](https://nathanmccarter.co.uk/energy-efficient-windows/): Improving the energy performance of your home can be hard work at the best of times, but attempting it in a historic property brings a whole new set of challenges. Historic homes aren’t sealed like modern ones. They were built to breathe, so moisture and heat could move naturally through the walls and building materials. But as more historic homeowners look to reduce carbon emissions and lower their energy bills, new guidance is available to help them retrofit their properties with energy-efficient windows and other improvements without compromising their heritage value. - [Caring For Your Timber Windows And Doors: Your Complete Maintenance Guide](https://nathanmccarter.co.uk/caring-for-your-timber-windows-and-doors/): Handcrafted timber doors and windows from NMJ are more than basic, everyday elements for your home. They’re an investment in timeless craftsmanship, style, and durability. But whether your doors or windows are integral to a new build or a period property renovation, timber joinery brings warmth, charm, and authenticity. - [Working With Listed Buildings And How You Can Overcome The Challenges](https://nathanmccarter.co.uk/working-with-listed-buildings/): Conservation officers can often insist on like-for-like replacements, which may take more research if you're looking to improve insulation or install more secure glazing while keeping the same style. Even repainting listed wooden windows in a different colour, or upgrading to double glazing, can mean detailed applications and supporting documents. Our comprehensive guide to heritage windows for listed buildings covers everything you need to know about conservation areas and planning requirements. - [A Guide To Window Terminology](https://nathanmccarter.co.uk/window-terminology/): Designing and handcrafting bespoke timber windows is what NMJ has done best since 2007. And we’re proud to be a leading manufacturer of traditional window frames of all types and sizes. So, there’s not much we don't know when it comes to window terminology. But we also know it’s helpful for our customers to understand the terminology used in the industry.  - [The Benefits Of Secondary Glazing – A Practical Way To Keep Your Period Home Energy Efficient](https://nathanmccarter.co.uk/secondary-glazing-windows/): For homeowners who want to improve the energy efficiency and insulation of their windows, secondary glazing can be a practical and cost-effective option that preserves the character of their period or listed property. While upgrading to bespoke handcrafted timber windows with slimline double glazing will be the preferred finish, planning restrictions, conservation regulations, and the cost of complete window replacements can all be major obstacles in any restoration process. - [Positive Climate Action: What NMJ is doing For The Environment](https://nathanmccarter.co.uk/positive-climate-action/): At NMJ, we see craftsmanship and sustainability going hand in hand. So, while creating high-quality, handcrafted timber doors and windows, we also need to go further towards reducing our environmental impact. Over the past few years, and especially since we moved into our larger premises, we've done what we can to reduce our energy use, lower carbon emissions, and work in a more sustainable way. Here's a closer look at what we’re doing to take positive action against climate change. - [Door And Window Colour Trends For 2025](https://nathanmccarter.co.uk/door-and-window-colours-2025/): While colour schemes and themes are a personal style choice for any home, at NMJ, we like to stay ahead of the curve when it comes to colour trends for the year ahead. In 2025, we’re seeing colour trends for doors and windows that include big, bold individuality and timeless, understated sophistication. So whether you’re revamping a period property or modernising a contemporary home, here’s our pick of the latest colour trends to inspire your project. - [Premium Architectural Hardware That’s The Perfect Match For NMJ](https://nathanmccarter.co.uk/premium-architectural-hardware-nmj/): At NMJ, we take great pride in handcrafting exceptional timber windows and doors with a classic and timeless appearance that are built to last. But to achieve the ultimate in discerning quality for every customer, we partner with top-quality suppliers who can bring their product expertise to take every door or window we make to the next level of excellence. One of these partners is Croft Architectural Hardware. - [Double Glazed Windows For Listed Buildings And Historic Properties](https://nathanmccarter.co.uk/double-glazed-windows-for-listed-buildings/): Looking after the country's historic and period properties has always been an essential task, especially for those that are grade-listed or located within conservation areas. When it comes to double-glazed windows for listed buildings, these properties often have historic or architecturally important features and character that need the protection of the National Trust, English Heritage, and other organisations. - [Front Door Colour Trends 2024](https://nathanmccarter.co.uk/front-door-colour-trends-2024/): When it comes to the classic, timeless style of a handcrafted wooden door, a natural finish, whether dark or light timber, will always be in high demand. But as we enter a new year, the latest trends in door colours are here, ready to bring a fresh wave of colour, flair, and style to homes up and down the country. So, what are the trending door colours for 2024? Let's see what’s in store and whether they can inspire you in time for your home renovations. - [Choosing Glass Options For Timeless Windows](https://nathanmccarter.co.uk/choosing-glass-options-for-timeless-windows/): Windows are essential elements of your home's architectural design and can seamlessly blend interior and exterior spaces. But among all the decisions involved in handcrafting timeless window and door frames, the choice of glass is of unique significance. Thoughtful consideration of aesthetics and functionality and the characteristics of each type of glass can help you select the right option for you and your home. - [Adding A Touch Of Stained Class To Your Windows And Doors](https://nathanmccarter.co.uk/adding-a-touch-of-stained-class-to-your-windows-and-doors/): When you’re looking to replace the existing windows or doors in your home for the timeless elegance of traditionally handcrafted windows, you know they’ll already possess a charm of their own. And if you’re looking for that inspirational impact of individuality – something truly unique that reflects your personality – then adding a vibrant, intricate, and bespoke stained glass design will elevate your windows to new heights, adding that special touch you've been looking for. - [Front door colours 2023](https://nathanmccarter.co.uk/front-door-colours-2023/): Nothing can match the classic, timeless style of a handcrafted wooden door. While a rich, dark stain or light, natural finish will add a touch of elegance, it’s a paint colour that’s the key to creating a welcoming entrance. So what colours are trending for doors in 2023? Let's explore the possibilities that might inspire your next home renovation project. - [Window Colour Trends for 2023](https://nathanmccarter.co.uk/window-colour-trends-for-2023/): With a range of paint colours available, we can advise you on colour matching to any existing colours you have or help you choose a two-tone colour combination that works with your interior and exterior surroundings – all guaranteed for 10 years. For more information on window colours, call us on 01822 615 010, send us a message, or email us at info@nathanmccarter.co.uk today. - [A Bespoke Project For A Remarkable Renovation](https://nathanmccarter.co.uk/a-bespoke-project-for-a-remarkable-renovation/): While each of our completed projects brings great pride to us and total satisfaction to every customer, what better accolade or recommendation can you get than to have your work shown on national television? Well, that’s what happened when one of our projects recently featured on an episode of Channel 4’s George Clarke’s Remarkable Renovations. - [Soft Furnishings And Interiors That Will Perfectly Suit Your Windows](https://nathanmccarter.co.uk/soft-furnishings-and-interiors-that-will-perfectly-suit-your-windows/): Your decision to replace any of your existing windows and doors with beautifully handcrafted, bespoke alternatives, naturally gives your home the outstanding finish it deserves. But it’s often the case that new windows can demand an interior design upgrade too, with quality curtains, blinds, or other soft furnishings being added to give your room a fresh, new look. - [Do You Need Planning Permission For Windows In A National Park Property?](https://nathanmccarter.co.uk/planning-permission-for-windows-in-a-national-park/): For anyone lucky enough to live inside the boundaries of one of the UK’s national parks, the surrounding scenery can be breathtaking, but you’ll also be the custodian of a very special home. While living in a designated protected or conservation area like this, your home may have listed or special status preventing you from making changes or alterations. So replacing any doors or windows with artisan, handcrafted alternatives can be a sensitive topic requiring special permission. - [Extended Lead Times Continue As NMJ Prove It’s Worth The Wait](https://nathanmccarter.co.uk/extended-lead-times-continue-as-nmj-prove-its-worth-the-wait/): Despite a global pandemic, or perhaps because of it, the demand for our handcrafted wooden doors and windows has massively increased. With holidays cancelled and lockdowns in place throughout much of 2020 and into 2021, people felt inspired to undertake renovations and home improvements, increasing NMJ lead times by up to 50%. - [Nathan McCarter Joinery Wins FENSA Installation Of The Year Award 2020](https://nathanmccarter.co.uk/nathan-mccarter-joinery-wins-fensa-installation-of-the-year-award-2020/): As the awards season is getting back into full swing across many industries, plenty of virtual ceremonies are already taking place. One we keep our eye on each year is the annual GGP Installer Awards, hosted by Glass & Glazing Products Magazine. All about “celebrating and promoting excellence in glazing installation” each of the nine, residential and commercial installation categories can be a prestigious win. - [Your Guide To Heritage Windows For Listed Buildings And Protected Areas](https://nathanmccarter.co.uk/heritage-windows-for-listed-buildings/): Heritage windows for listed buildings require careful consideration and planning. The beauty of any original or period features inside, or outside, your home only adds to its charm and personality. But if your home is a listed property, or you live in a conservation or protected area, while replacing your original windows and frames is possible, it might not be as straightforward as you think. - [How Do We Help Improve Your Home’s Security?](https://nathanmccarter.co.uk/how-do-we-help-improve-your-homes-security/): Every door and window created by Nathan McCarter Joinery is uniquely designed and handcrafted to the highest standards. But we also place just as much emphasis on security to ensure every piece is fully compliant with security standards. So how do we blend the design aesthetics of an individual door or window and the practicalities of locks to improve your home’s security? - [How To Choose The Perfect Timber Door For Your Home](https://nathanmccarter.co.uk/how-to-choose-the-perfect-timber-door-for-your-home/): As an essential element to your home, your front door gives friends and family a warm welcome while speaking volumes about your style and personality. But quality craftsmanship, design aesthetics, and a door that’s built to last are all key factors in making the right choice in choosing the perfect timber door for your home. - [The Best Wood Replacement Windows For Coastal Homes](https://nathanmccarter.co.uk/best-wooden-windows-for-coastal-homes/): Living and working in the south-west means we’re spoilt for choice when it comes to coastal living, with dozens of beaches, walks, and spectacular sea views all within easy reach. Enviable as this is, the harsh weathers associated with a rugged coastline can be your windows worst enemy. So what should you be looking for when you need the very best in wood replacement windows? - [Types Of Windows – How To Make The Right Choice](https://nathanmccarter.co.uk/types-of-windows/): Windows are a defining feature of any home. With all types of windows serving a specific purpose, the influence of function, form, and aesthetics should never be underestimated. But making the right choice of window frame to give your home the style it deserves can be a delicate decision.  - [Top 10 Reasons Why You Should Choose Wood Replacement Windows](https://nathanmccarter.co.uk/wood-replacement-windows/): Whether your home is modern and contemporary or steeped in period history, its windows are one of its most important – and essential – features. But no matter what your home’s age or style, renovation, restoration, or repair projects will give you the perfect opportunity to embrace the timeless character of wood replacement windows. - [Wooden double glazed windows](https://nathanmccarter.co.uk/wooden-double-glazed-windows/): Never out of style, handcrafted timber windows give a timeless elegance to any home. With plenty of charm and character, even wooden double glazed windows will give any property a distinctive and classic finish, from eco-friendly new builds to heritage, listed, or conservation properties. - [Wooden Sash Windows – Everything You Need To Know](https://nathanmccarter.co.uk/wooden-sash-windows/): Having beautifully crafted and authentic wooden sash windows will certainly add an elegant and timeless finish to your home. With their rich history, sliding sash windows have been a distinctive property feature since the 17th century and are still a desirable characteristic for many modern and period-inspired homes today. - [A guide to our wooden windows prices](https://nathanmccarter.co.uk/wooden-windows-prices/): In a word, No. With all the benefits of Accoya combined, our wooden windows prices could actually see you save money. They’ll be a sound investment for your home, and will pay for themselves over your window’s lifetime thanks to their superior qualities.  - [Bespoke Accoya Windows](https://nathanmccarter.co.uk/accoya-windows/): Though it’s all very scientific, the process itself is straightforward. And as a result, its superior performance and outstanding resilience in extreme temperatures and waterside installations mean it exceeds even the finest tropical hardwoods. And that’s why Accoya windows are better than normal hardwood windows. ## Pages - [Contact us](https://nathanmccarter.co.uk/trade/contact-us/): Whether you’re an architect, construction company, or property developer in need of expert input on your next project, we’re here to help. As trusted trade timber window and door manufacturers, NMJ partners with professionals across the UK to deliver high-quality products, responsive service, and reliable delivery. - [Projects](https://nathanmccarter.co.uk/trade/projects/): As a UK trade timber window and door supplier, these types of projects highlight what NMJ can do in timeless design, quality craftsmanship, and project management. Each of our products meets the specific demands and specs of the contemporary schemes, architectural and design-led builds, and heritage, listed, or property restoration projects we work on across the UK. - [Process](https://nathanmccarter.co.uk/trade/process/): Being dedicated wooden window manufacturers and suppliers, at NMJ, we know all about trade projects running on tight schedules with the need for detailed specs and clear communications. So, from your first contact with us to the day your timber windows and doors are delivered to site, we focus our internal processes on reliability, transparency, and knowledge. - [Trade](https://nathanmccarter.co.uk/trade/): Nathan McCarter Joinery (NMJ) has been manufacturing and supplying premium bespoke, handcrafted, high-quality timber windows and doors since 2007. - [Listed Building Replacement Windows](https://nathanmccarter.co.uk/listed-building-replacement-windows/): Cost effective, made-to-measure timber windows for listed buildings. Built to last with a 50 year guarantee. - [Timber Windows Surrey](https://nathanmccarter.co.uk/timber-windows-surrey/): Exquisitely crafted and authentic timber windows Surrey - [Planning](https://nathanmccarter.co.uk/planning/): Gaining planning permission is crucial to any new build, home extension, or renovation project. But the planning process can be more complicated for repair or renovation work on listed properties or homes in conservation areas or national parks – including installing new or replacement windows. We've introduced a specialist planning service to help you overcome potential difficulties and give you the expert advice you need on planning issues and applications. - [How We Work](https://nathanmccarter.co.uk/our-story/how-we-work/): While we pride ourselves on offering every customer a complete service from concept to completion, we’re often asked about how we work, what our process is, and what’s involved at any stage of a project. - [Wooden Sliding Sash Windows](https://nathanmccarter.co.uk/wooden-sliding-sash-windows/): Sliding wooden sash windows have a rich heritage across Britain. Standing the test of time since the 17th century, they remain a classic design feature in both modern and traditional homes today. - [Blog](https://nathanmccarter.co.uk/blog/) - [Our People](https://nathanmccarter.co.uk/our-story/our-people/) - [Sitemap](https://nathanmccarter.co.uk/sitemap/) - [Testimonials](https://nathanmccarter.co.uk/testimonials/) - [Contact Us](https://nathanmccarter.co.uk/contact-us/): For more information and advice on our door and window joinery services, to arrange your visit to our Tavistock workshop, or to arrange a personal site visit if you’re further afield across the UK, get in touch with the team today. - [Our Story](https://nathanmccarter.co.uk/our-story/): Nathan McCarter Joinery is a humble, yet progressive joinery business, bringing together master craftsmen, traditional methods, and contemporary tooling. In creating beautifully bespoke and handcrafted timber doors and windows, we give our discerning customers both quality and service from concept to completion and aftercare. - [Stormproof Casement Windows](https://nathanmccarter.co.uk/bespoke-timber-windows/stormproof-casement-windows/): As a sidestep on traditional window design, stormproof casement windows introduce your home to an extra level of protection against the elements of extreme conditions. - [Traditional Flush Casement Windows](https://nathanmccarter.co.uk/bespoke-timber-windows/flush-casement-timber-windows/): With a 400-year old history, timber flush casement windows are a striking take on traditional window design that is still widely used and as popular as ever. - [High-Performance Flush Casement Windows](https://nathanmccarter.co.uk/bespoke-timber-windows/timber-flush-casement-windows/): With their traditional equivalent handbuilt to complement heritage or listed building requirements, high-performance flush casement windows are treated to a more modern and productive finish. - [Timber Sliding Sash Windows](https://nathanmccarter.co.uk/bespoke-timber-windows/timber-sliding-sash-windows/): Sliding timber sash windows have a rich heritage across Britain. Standing the test of time since the 17th century, they remain a classic design feature in both modern and traditional homes today. - [Double Doors](https://nathanmccarter.co.uk/bespoke-timber-doors/timber-double-doors/): The elegant aesthetics of 16th-century timber French doors will open up any home and add more than a touch of stylish sophistication. - [Bi-Fold Doors](https://nathanmccarter.co.uk/bespoke-timber-doors/timber-bifold-doors/): Adding class and elegance to any home, the understated quality of timber bifold doors will open up any living area, giving you a flexible and desirable space. - [Stable Doors](https://nathanmccarter.co.uk/bespoke-timber-doors/external-stable-doors/): Elegant and distinguished, wooden stable doors have all the characteristics of period style and purpose - perfect for homes needing that touch of inspired individuality. - [Front Doors](https://nathanmccarter.co.uk/bespoke-timber-doors/timber-front-doors/): Distinctive and bespoke timber front doors display your unique individuality, create a lasting impression, and add the finishing touch to make your house a home. - [Doors](https://nathanmccarter.co.uk/bespoke-timber-doors/): With a truly defining balance of function and form, whatever your choice or whatever your needs, Nathan McCarter Joinery will design and create stunning bespoke timber doors, crafted for purpose. - [Windows](https://nathanmccarter.co.uk/bespoke-timber-windows/): For a classic and timeless appearance, choosing the quality craftsmanship of bespoke timber windows can give your home the exquisite finish it deserves. We are proud to serve clients across the South of England. - [Home](https://nathanmccarter.co.uk/): A name synonymous with quality, Nathan McCarter Joinery is a humble, yet progressive joinery business. In creating bespoke and handcrafted timber doors and windows, we give our discerning customers excellence of quality and service from concept to completion and aftercare. ## Trade Timber Window & Door Suppliers - [Fountain Drive, London](https://nathanmccarter.co.uk/trade/trade-case-studies/fountain-drive-london/): This project saw NMJ deliver a series of bespoke timber windows and doors for a new-build residential development of six luxury apartments with the same architect and developer team as the Sydenham Hill project. Sharing similar design values and commitment to craftsmanship, we partnered with the architect and developer to extend the focus on natural materials, well-being, and design-led detail. - [Sydenham Hill, London](https://nathanmccarter.co.uk/trade/trade-case-studies/sydenham-hill-london/): With a focus on quality of living, wellbeing, warmth, and the visual and tactile character of natural timber, we worked closely with the architects and developer over nearly three years to deliver the double-glazed timber doors and windows required across three phases. ## Case Studies - [Brighton, The Glassworks](https://nathanmccarter.co.uk/case-studies/brighton-the-glassworks/): Authentic full-width doors, front door, balcony door, and sliding sash windows - [Yelverton Barn Conversion Windows & Doors](https://nathanmccarter.co.uk/case-studies/yelverton-barn-conversion-windows/): On the outskirts of Yelverton, just south-west of Dartmoor, one of our clients owns several barn outbuildings used as storage for their own property. With a long term vision of converting the buildings to maximise their potential as holiday lets, the first stage of the renovation was to install bespoke new flush casement windows and front doors. - [Dartmoor Orangery](https://nathanmccarter.co.uk/case-studies/dartmoor-orangery/): Situated on the edge of rural Dartmoor, this detached, former mining cottage is a tranquil home with a spectacular garden to the rear of the property. To take full advantage of their available space, our client wanted to add a classic orangery complete with full bi-folding doors, creating a seamless garden and living space. - [Chagford Old Rectory](https://nathanmccarter.co.uk/case-studies/chagford-old-rectory/): Living in the unspoilt, rural surroundings of Dartmoor has plenty of advantages. But as the location of our client’s home, over the years the doors and windows of this former Rectory in Chagford had succumbed to some of the area’s harsher weather. To recreate their former splendour, our client now wanted complete replacements throughout their home. ## FAQs - [Can I choose my own window accessories?](https://nathanmccarter.co.uk/faqs/can-i-choose-my-own-window-accessories/): All our wooden windows come fitted with your own choice of window hardware. Depending on your chosen window type, you can choose from easy-clean friction hinges, handles, and stays, as well as quality brand multi-point security locks and latches. With many options available, your hardware can match your interior decor as well as the exterior style of your home. - [What colour options are available?](https://nathanmccarter.co.uk/faqs/what-colour-options-are-available/): You can choose any RAL colour to give your windows a completely bespoke, weather-proof finish, matching your own tastes or in keeping with planning advice or architectural specifications. Any colours can be mixed and all frames are spray finished in our on-site spray booth. - [What double glazing options are available for my wooden windows?](https://nathanmccarter.co.uk/faqs/what-double-glazing-options-are-available-for-my-wooden-windows/): We use Planitherm glass as standard on all our windows that require double glazing. Our standard units are 24mm thick which is made up of: - [Can I have double glazing on any wooden windows?](https://nathanmccarter.co.uk/faqs/can-i-have-double-glazing-on-any-wooden-windows/): Yes. Whatever style of timber window you choose, we can hand fit glass to suit your needs. However, if your home is in a conservation area or Grade listed, there may be some restrictions on the use of double glazing. In these cases, we’re able to work with planning officers to find suitable glazing for you. - [Can you match my existing window style?](https://nathanmccarter.co.uk/faqs/can-you-match-my-existing-window-style/): If you have a specific window design in place already, we’ll match your replacement windows as close as we possibly can. We design all our windows in-house to your own requirements and can include as little or as much detail as you require, including window furniture. - [Can you install double glazing in a listed building?](https://nathanmccarter.co.uk/faqs/can-you-install-double-glazing-in-a-listed-building/): Yes. Historic England Advice Note 18 (HEAN 18) confirms that slim-profile double-glazed units are acceptable on casements or frames that need replacing if they match the building’s original design and are installed into existing or new timber frames. - [What’s the safest way to insulate a historic property?](https://nathanmccarter.co.uk/faqs/whats-the-safest-way-to-insulate-a-historic-property/): Start with low-risk areas first, such as the roof space and loft insulation, which is generally acceptable in historic properties. Always use breathable materials to prevent moisture from being trapped. - [How can timber windows improve energy efficiency?](https://nathanmccarter.co.uk/faqs/how-can-timber-windows-improve-energy-efficiency/): Timber frames with slim-profile glazing, quality seals, and proper maintenance create energy-efficient windows that reduce heat loss while maintaining your building’s historic character. - [Does slimline double glazing look like traditional single glazing?](https://nathanmccarter.co.uk/faqs/does-slimline-double-glazing-look-like-traditional-single-glazing/): Slimline double glazing is designed to look very similar to traditional single glazing. With a profile of less than 10mm in thickness and exceptional thermal efficiency, it’s an ideal glazing choice for timber-framed windows in listed properties. - [Will vacuum glazing be approved in listed buildings?](https://nathanmccarter.co.uk/faqs/will-vacuum-glazing-be-approved-in-listed-buildings/): Approval depends on the specific building and local authority. In some cases, vacuum glazing is approved due to its ultra-thin profile. In others, conservation officers may prefer slimline double glazing or secondary glazing. Consulting with planning or conservation officers early on is essential. - [Is vacuum glass better than slimline double glazing for listed buildings?](https://nathanmccarter.co.uk/faqs/is-vacuum-glass-better-than-slimline-double-glazing-for-listed-buildings/): Vacuum glass has a better thermal U-value (~0.7 W/mk2), but can be more expensive. Slimline double glazing is more cost-effective but has a higher U-value (~1.6 W/mk2). The best option depends on your property’s listing grade, conservation guidance, and efficiency requirements. - [What is secondary glazing?](https://nathanmccarter.co.uk/faqs/what-is-secondary-glazing/): Secondary glazing is an additional internal window frame installed on the inside of a single-glazed window to create a second layer of glazing. Installing secondary glazing creates a minimum air gap of 50mm between the new frame and the original window to improve thermal efficiency and reduce draughts inside without changing the window’s external appearance. - [Need help making a choice?](https://nathanmccarter.co.uk/faqs/need-help-making-a-choice/): We will be able to advise you on the most suitable options to meet the needs of both your property and your budget. Windows and external door sets are fundamental to the overall look of any building. Whatever you choose, it is essential that the style is in keeping with the building and also takes into consideration the performance requirements (such as thermal efficiency and weather performance characteristics). - [What about Safety and Security?](https://nathanmccarter.co.uk/faqs/what-about-safety-and-security/): We appreciate that many of our customers will be keen to maximise the security of their home, particularly when installing replacement windows and doors. We fit multi-point locks as standard with high-security cylinders. - [What about Double Glazing, Thermal Efficiency, and Wooden Windows?](https://nathanmccarter.co.uk/faqs/what-about-double-glazing-thermal-efficiency-and-wooden-windows/): People are sometimes surprised to find that we offer double glazed windows made from timber and that these windows often surpass the thermal efficiency of UPVC and plastic windows. We are proud to offer windows certified with an average 'U' value of up to 1.2W/m2k. We use high-quality Planitherm glass with a warm edge spacer bar in the majority of our windows. - [What if I live in a conservation/protected area or listed building?](https://nathanmccarter.co.uk/faqs/question-2/): We specialise in heritage and period joinery, we are very experienced with protected areas, homes of special interest and Grade I and II listed properties. We can offer expert advice and liaise with your local planning office if necessary, so whatever your requirements are, such as replacement windows, external doors or restorative works, we can guide you through the process and ensure all of the necessary planning criteria are met. - [Why choose Timber?](https://nathanmccarter.co.uk/faqs/question-1/): Timber is uniquely beautiful, natural product and offers exceptional variety. It is tough, solid and durable. A good quality wood product when given a little care and maintenance can last a lifetime. Wood is a material that is easy to use, maintain and repair. Whilst it ages, it develops a patina which is all part of its character. Timber is thermally efficient and acts as a natural humidity regulator: unlike UPVC window frames, Timber 'breathes' - absorbing humidity in damp conditions and releasing moisture in dry conditions. ## Locations - [Bespoke Timber Windows For Cornwall Homes, Crafted To Last](https://nathanmccarter.co.uk/locations/timber-windows-cornwall/): Cornwall's distinctive architecture presents its own unique demands, from granite-built fishing cottages in Mousehole and St Ives to Georgian townhouses in Truro and sprawling farmhouses across the Penwith peninsula. Based just across the Tamar in Tavistock, NMJ brings nearly two decades of expertise to Cornwall homeowners, with a deep understanding of the county's varied property types and the coastal conditions that timber windows here must be built to withstand. - [Handcrafted Timber Windows Devon Homeowners Can Rely On](https://nathanmccarter.co.uk/locations/timber-windows-devon/): As Devon's local timber window specialists, NMJ brings nearly two decades of hands-on expertise to homeowners across the county, from stone-built moorland farmhouses on the edge of Dartmoor to period cottages along the South Devon coast. Combining traditional craftsmanship with modern performance, our handcrafted windows are built to last in Devon's varied and often demanding climate. - [Handcrafted Timber Windows Cotswolds Homeowners Can Rely On](https://nathanmccarter.co.uk/locations/timber-windows-cotswolds/): While no two properties are ever alike, each of our timber windows is designed and handcrafted to order by our in-house NMJ team. During an extensive site visit, we take precise measurements, allowing us to create bespoke frame profiles, custom-made to fit your home’s specific needs, together with custom finishes and ironmongery. Whether you own a heritage or modern home, the timber windows Cotswolds homeowners can choose from are ideally suited for: ## Categories - [Planning & Regulations](https://nathanmccarter.co.uk/planning-regulations/) - [Company News](https://nathanmccarter.co.uk/company-news/) - [Design & Trends](https://nathanmccarter.co.uk/design-trends/) - [Home Improvement](https://nathanmccarter.co.uk/home-improvement/) - [Product Guides](https://nathanmccarter.co.uk/product-guides/) - [Specialist Solutions](https://nathanmccarter.co.uk/specialist-solutions/) ## FAQs Categories - [General](https://nathanmccarter.co.uk/faq_cats/general/) - [Windows](https://nathanmccarter.co.uk/faq_cats/windows/) - [Doors](https://nathanmccarter.co.uk/faq_cats/doors/)