Expert Craftsmen in London
Bespoke Timber Sash and Casement Windows & Doors in London
Transform your home with expertly crafted windows and doors. Professional installation, exceptional quality, and lasting beauty.
20 Years of Excellence
Two decades of trusted service delivering exceptional windows and doors to thousands of satisfied customers. Our experience speaks for itself.
Why Choose Us
Excellence in Every Detail
Expert Craftsmanship
Every window and door is crafted with precision and attention to detail.
Energy Efficiency
Advanced insulation technology to reduce energy costs and environmental impact.
Comprehensive Warranty
Peace of mind with our industry-leading warranty coverage.
Top Quality Materials
Premium wood and aluminum sourced from certified suppliers.
Professional Installation
Certified installers ensuring perfect fit and lasting performance.
Our Collections
Crafted for Your Home
Explore our premium selection of timber and aluminium windows and doors, each designed to elevate your living space.
Timber Windows
Classic beauty with natural warmth and exceptional insulation. Sash, casement, tilt and turn styles available.
Explore Collection
Aluminium Windows
Sleek, modern design with superior durability and minimal maintenance.
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Timber Doors
Make a statement with our handcrafted entrance, French, and bespoke doors.
Learn MoreHow We Work
Our Process
From initial consultation to final installation, we guide you through every step to ensure a seamless experience.
Consultation
Free consultation to understand your needs, style preferences, and site requirements.
Quotation
Detailed, transparent quote with no hidden costs — fixed price agreed before any work begins.
Design
Custom design tailored to your home's architecture, with samples and drawings for approval.
Crafting
Expert craftsmen create your bespoke windows or doors to the highest standards.
Installation
Professional installation with minimal disruption, fully cleaned up and signed off.
Client Stories
What Our Clients Say
Don't just take our word for it. Hear from homeowners and professionals who trust Sash Factory for their projects.
"Great Service! Quality is just excellent! Highly recommended company!!! We have been using Sash Factory on various occasions and it has been a great experience every time!"
"The quality of the windows exceeded our expectations. The installation team was professional and efficient. Our energy bills have noticeably decreased."
"From the initial consultation to the final installation, the experience was seamless. The custom wood doors are absolutely stunning."
Ready to Transform Your Home?
Get in touch with our team for a free consultation. We'll help you find the perfect windows and doors for your property.