THE SASH WINDOW WORKSHOP
Trusted since 1994
Ready to transform your home with beautifully engineered timber windows?
Request your free, no‑obligation quote
today or call us on
01344 868668
Beautifully Crafted Timber Windows and Doors
At The Sash Window Workshop, we specialise in manufacturing, 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, including:
- Sash and casement window replacement – enhancing aesthetics, efficiency, and long-term performance.
- Bespoke front doors, French doors and bi-fold 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.
For listed buildings and conservation areas, we also offer authentic single-glazed and heritage-glazed solutions that meet planning requirements while delivering exceptional performance.
Every product 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.
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TESTIMONIALS
OUR TRADITIONAL TIMBER WINDOWS AND DOORS:
SASH WINDOWS
Our beautiful new wooden box sash windows and bay sash windows are manufactured at our workshops by our experienced team of tradesmen.
They are designed to improve energy efficiency while retaining the character and charm of your period home. Our sliding sash windows come with extensive guarantees. This includes a 50-year anti-rot guarantee for Accoya sash windows.
We offer an installation service across London and Southern England.
SASH WINDOWS
Our beautiful new wooden box sash windows and bay sash windows are manufactured at our workshops by our experienced team of tradesmen.
They are designed to improve energy efficiency while retaining the character and charm of your period home. Our sliding sash windows come with extensive guarantees, including a 50-year anti-rot guarantee for Accoya sash windows.
We offer an installation service across London and Southern England.
CASEMENT WINDOWS
We have extensive experience manufacturing and installing traditional timber casement windows in period properties.
Our high-quality replacement timber casement windows are designed to be energy efficient while retaining the traditional charm and character of your home.
We use Accoya wood for our casement windows, which comes with a 50-year anti-rot guarantee.
EXTERNAL TIMBER DOORS
We have extensive experience manufacturing and installing timber front doors, external French doors, stable doors, bi-fold doors, and sliding doors.
Designed to be in keeping with your home, our external wooden doors are all bespoke. If they are manufactured in Accoya, our preferred timber, they come with a 50-year anti-rot guarantee.
When required, we can exactly match the detail of any existing timber door.
EXTERNAL TIMBER DOORS
We have extensive experience manufacturing and installing timber front doors, external French doors, stable doors, bi-fold doors, and sliding doors.
Designed to be in keeping with your home, our external wooden doors are all bespoke. If they are manufactured in Accoya, our preferred timber, they come with a 50-year anti-rot guarantee.
When required, we can exactly match the detail of any existing timber door.
TESTIMONIALS
Find out about our great reputation
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WHY REPLACE WITH US
- 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.
- 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.
- Safety & Security, Beautifully Built In
From ground-floor sash locks to upper-floor egress systems, our discreet security features protect your family without compromising on aesthetics.
- Tailored to You
No two homes are the same. That’s why we offer a fully bespoke service — from initial survey to final installation — ensuring every detail is just right, just for you.
ACCREDITATIONS
