North London based Timber Windows & Doors company
We design, manufacture, and install high-quality timber windows and doors for period properties, conservation areas, and high-spec renovations.
WHAT WE DO
At Grain Windows, we specialise in bespoke timber windows and doors for residential renovations and heritage properties across North London and surrounding areas.
Our windows & doors are crafted to combine traditional aesthetics with modern performance, making them ideal for period homes, listed buildings, and conservation areas.
We work closely with homeowners, developers, and contractors to deliver windows that meet both design requirements and building regulations, without compromising on quality.
Completed Projects
Kings Road - St ALbans
A modern home renovation with bespoke timber box sash windows & custom-made back door & front doors
Cloudesley Square - Islington
A modern home renovation with bespoke timber box sash windows & custom-made back door & front doors
St Paul Street - Islington
A modern home renovation with bespoke timber box sash windows & custom-made back door & front doors
We work with
Homeowners restoring or upgrading period properties
Property developers delivering high-end residential projects
Architects & contractors requiring bespoke joinery solutions
Whether it’s a single window replacement or a full property renovation, we provide a reliable and detail-focused service from start to finish.
Our Core Product Range
Traditional Box Sash Windows
Our beautiful box sash windows are designed to enhance energy efficiency while preserving the classic charm of period homes, our timber sash windows combine traditional aesthetics with modern performance.
External Timber Doors
Flush casement windows is a modern twist on the original casement window. We specialise in bespoke timber flush casement windows for modern properties, combining traditional aesthetics with modern performance.
Flush Casement / Casement Windows
Grain casement windows are available in classic and flush styles, both fully customisable to suit your design. We specialise in bespoke timber casement windows for period properties, combining traditional aesthetics with modern performance.
HERITAGE & CONSERVATION SPECIALISTS
We have experience working on properties within conservation areas, where maintaining the original character of the building is essential.
Our timber sash windows are designed to replicate traditional profiles while incorporating modern glazing and performance standards.
We can also assist in meeting planning and conservation requirements, ensuring a smooth approval process where needed.
PROCESS
Our process is straightforward and efficient:
Initial consultation and site assessment
Detailed measurements and design
Manufacturing of bespoke timber windows
Professional installation
We manage the entire process to ensure consistency in quality and finish.
Why choose
Grain Windows
Handmade
Handmade windows offer unmatched attention to detail, craftsmanship, and customisation, ensuring a perfect fit for any home. Skilled artisans use traditional techniques and high-quality materials, creating durable, unique windows that enhance aesthetics and functionality while adding timeless character to your space.
First class
customer service
Grain Windows offers first-in-class customer service that is unparalleled in the industry, our dedicated team that ensures each customer's needs are met with precision and care. We go above and beyond to provide tailored solutions, ensuring a seamless and satisfying experience from consultation to installation.
Absolute
confidence
Our team of window fitters and installers are fully qualified, providing you with absolute confidence in our work. All installations are backed by FENSA certification, ensuring they meet the highest industry standards for safety and quality.
Would you like to speak with an advisor?
Our friendly team will be pleased to help with any questions you may have about our timber windows and doors.
Just fill in our contact form and we will aim to be in touch with 24hrs.
