Expert advice
The reliable, expert advice you need for all aspects of your windows and doors, from building regs to fenestration, design specs, and CAD drawing production.
Nathan McCarter Joinery (NMJ) has been manufacturing and supplying premium bespoke, handcrafted, high-quality timber windows and doors since 2007.
As trade wooden window and door suppliers to architects, construction companies, and property developers, we understand the precision, reliability, and compliance needed to meet industry demands – and your client’s expectations.
Our in-house expertise means every timber window we make meets precise specs and strict building regs without compromising design. From sash to casement windows and bespoke designs, NMJ delivers superior results for all heritage and modern building and development projects. And our doors also have the same level of care and attention, blending seamlessly with your windows.
Get a quoteDue to our years of experience supplying architects, construction companies, and property developers with timber windows and doors, we know exactly what it takes to keep your project on track. Here’s why professionals across the UK trust NMJ as their preferred trade window and door supplier:
The reliable, expert advice you need for all aspects of your windows and doors, from building regs to fenestration, design specs, and CAD drawing production.
Your single point of contact for complex planning issues for all heritage, conservation, and listed buildings for authentic and compliant windows and doors.
Fast quotes with detailed, itemised, and accurate costing for full pricing transparency on all timber windows and doors, helping you to keep your project moving and on budget.
Our complete manufacturing process aims for on-time delivery, so your timber windows and doors are ready when you need them without delaying schedules.
The use of traditional joinery techniques and modern tooling means each window and door is beautifully handcrafted, bringing a superior and quality finish to any building.
Each window & door uses premium, sustainably sourced timber for long-lasting durability and performance, reducing warranty issues and upholding your reputation for quality.
Our high-performance glazing meets all building regulations to increase thermal and noise insulation, reduce heat loss, and boost energy efficiency in every window.
Every product is manufactured to precise specifications and exacting standards, reducing the risk of installation issues and costly reworks to keep your project on track.
At NMJ, we know all about tight schedules and critical timing, so we aim to respond to your enquiry within three working days. Our end-to-end estimating system gives you full upfront cost transparency, including itemised breakdowns and clear lead times, so you have the information you need within seven working days to plan with confidence.
What’s more, our in-house design, drawing, and production process delivers precision manufacturing, flexibility, and open communication at every step. From your initial enquiry to final delivery, we work with you to meet every requirement and bespoke request with a proven track record of delivering high-quality timber windows – and coordinating doors – to keep your project moving.
Learn more about our processes