The Sash Window Workshop
Ready to transform your home with beautifully engineered, energy-efficient timber windows and doors from The Sash Window Workshop, trusted since 1994. Request your free no-obligation quote today or call us on 01344 868668.
The finest timber windows and doors for your home
The Sash Window Workshop specialises in crafting bespoke timber windows and doors that unite traditional British joinery with modern performance. Every piece is meticulously made to enhance your home’s architectural character while improving comfort, security and energy efficiency.
Proudly serving London and the South of England, we offer expert installation for period and contemporary homes, with supply-only options nationwide. As a multi-award winning Which? Trusted Trader with an excellent Trustpilot rating, we are committed to delivering refined craftsmanship and exceptional customer care.
ACCREDITATIONS
Beautifully crafted timber windows and doors
Is your home suffering from draughty, deteriorating, or inefficient timber windows and doors that impact comfort, appearance and energy bills?
At The Sash Window Workshop, we specialise in maufacuring and installing high-performance timber windows and doors – expertly crafted in Berkshire and built to last for generations.
We provide a comprehensive range of services tailored to period, listed or contemporary properties
Sash windows and casement window replacement – enhancing aesthetics, efficiency, and long-term performance and typically double-glazed for superior energy efficiency and sound reduction.
Bespoke front doors, French doors, bi-fold and sliding doors – combining refined design with robust security. Secondary glazing – discreetly boosting thermal and acoustic insulation without altering your property’s character.
Draught-proofing and specialist timber repairs – extending the life of your existing joinery with precision craftsmanship.
50 Year Anti-Rot
Guarantee
To ensure enduring quality, we exclusively use Accoya® timber – a sustainable, ultra-durable wood renowned for stability, longevity and minimal maintenance. Backed by a 50-year anti-rot guarantee, Accoya provides outstanding long-term value and complete peace of mind.
Every window and door we create is:
- Precision-crafted by combining advanced manufacturing with traditional joinery skill
- Fully factory finished, expertly sealed and ready for installation
- Made to measure to complement your home’s unique architectural style
- Crafted to elevate kerb appeal, comfort and energy efficiency with timeless elegance
precision crafting of TIMBER WINDOWS AND DOORS
SASH WINDOWS
Beautiful new wooden box sash windows and bay sash windows are manufactured at our Berkshire workshop by our experienced team.
They are precision-crafted to improve energy efficiency while retaining the character and charm of your home. Our sliding sash windows come with extensive guarantees including a 50-year anti-rot guarantee for Accoya sash windows.
Our team installs with care across London and Southern England.
SASH WINDOWS
Beautiful new wooden box sash windows and bay sash windows are manufactured at our Berkshire workshop by our experienced team.
They are precision-crafted to improve energy efficiency while retaining the character and charm of your home. Our sliding sash windows come with extensive guarantees including a 50-year anti-rot guarantee for Accoya sash windows.
Our team will installs with care across London and Southern England.
CASEMENT WINDOWS
Discover traditionally styled timber casement windows that elevate your home’s character while delivering outstanding energy efficiency.
Crafted from Accoya® for exceptional durability and backed by a 50‑year anti‑rot guarantee, our windows offer lasting beauty with complete peace of mind.
And all installed by our in-house team across London and the Southern England.
EXTERNAL TIMBER DOORS
Enhance your home with beautifully crafted timber doors, expertly made and installed by our specialist team. From elegant front doors to French, stable, bi‑fold, and sliding doors, every piece is bespoke—designed to complement your property’s character seamlessly.
Using Accoya® as our preferred timber, your door benefits from exceptional stability and a 50‑year anti‑rot guarantee, ensuring long‑lasting performance and peace of mind.
And, if needed, we can precisely replicate the detailing of your existing timber door, preserving the authentic charm of your home.
EXTERNAL TIMBER DOORS
Testimonials
Contact us
4 Kiln Lane, Bracknell, Berkshire, RG12 1NA
01344 868 668
info@sashwindow.com
GET IN TOUCH
The Sash Window Workshop Experience
Choosing new timber windows or doors for your home is a significant decision. Our film takes you behind the scenes – from your initial survey through precision manufacture in our Berkshire workshop and careful installation – so you can see the craftsmanship, attention to detail and respect for your home that our customers value.
Why replace with us
1
Craftsmanship that respects your home
Every window and door is handcrafted for you in our Berkshire workshop to match the original style using sustainably sourced timber and time-honoured techniques by our skilled joiners.
2
Safety & Security, Beautifully Built In
3
Energy Efficiency Without Compromise
Our double-glazed timber units offer exceptional thermal performance, helping you stay warm in winter and cool in summer — all while reducing your energy bills and carbon footprint.
4
Tailored to You
Our Guarantees
50
YEARS
Guarantee
20
YEARS
Joinery
Guarantee
10
YEARS
Guarantee
10
YEARS
Guarantee
5
YEARS
Guarantee
*Maximum Guarantees Shown. Please see our Guarantee and Maintenance documents for further information.