The Specialist in Traditional Sash Windows is a FENSA Registered Company.

Timelessly Beautiful, Traditional Sash Windows

Bespoke, high-quality window and door specialists serving London, Surrey and the South of England

The Specialist in Traditional Sash Windows

Serving customers in London, Surrey and the South East of England

High-Quality Traditional Sash Windows

From our Guildford workshop and window showroom, The Specialist In Traditional Sash Windows have been operating and delighting customers all over Surrey, London and beyond since 1999. We pride ourselves on our bespoke window services, quality of workmanship and careful installation, as well as dedicated aftercare.

Our fully employed, experienced window and door fitters endeavour to serve as much of the South East of England and surrounding counties as possible, including Central London, South London, South West London, West London, Surrey, Berkshire, Kent, Hampshire, Middlesex and Sussex. Please see the areas we serve for further location details.

For as long as we’ve been trading, The Specialist in Traditional Sash Windows have been providing installation, replacement and double-glazing services for Sash Windows, Casement Windows, Bi-Folding Doors, French Doors, and Front and Back Doors.

Interested in using our services? Request a free, no-obligation quote for your property using our quick enquiry form.

Looking to improve your home’s energy efficiency and interested to know how the government may be able to support your energy-efficient vision?


Why Choose The Specialist In Traditional Sash Windows

Here at The Specialist in Traditional Sash Windows, we pride ourselves on our bespoke sash window services, quality of workmanship and careful installation. Not to forget our dedicated aftercare. We want to help you get the most out of your home and our expert team will advise and inform you every step of the way. Get in touch with our specialist team today!

Request a FREE Quote

Complete the form below for a free, no obligation quote.

We’ll call you back within two working days.


0800 389 73 84

"From the original call out to quote, to measuring up, to keeping us up to date with the timeline, they were fantastic. The windows are AMAZING and we'd like to also give the fitter a special shout out. Dave was the tidiest, most polite, efficient tradesperson we've had and his attention to detail was next to none. Very impressed and highly recommended to others!."

Customer in Sussex, July 2022

Our Specialist Installation & Draught Excluding Expertise

Sash Windows

Sash Windows

Vertical sliding sash windows are traditional of period homes and add elegance and splendour to any property.

Casement Windows

Casement Windows

One of the most popular window styles in the UK, casement windows open from hinges. They are versatile, economical and efficient.

Bi-folding Doors

Bi-folding Doors

Bi-fold doors slide open and are made from a series of panels that fold up against a wall. They are stylish space dividers both inside and outside the home.

French Doors

French Doors

French doors are glass doors that open outwards on a hinge, allowing the flow of natural light into your home.

Single Doors

Single Doors

We manufacture and install bespoke single doors, perfect for front doors and finished with our quality range of door furniture and locks.

Accoya Timber

Accoya Timber

We use accoya as our preferred material for window and door frames, because it is beautiful, natural, durable and strong.

What makes us special?

Guaranteed no-fuss after-sales service

We want you to be over the moon with your new windows or doors, and our promise is simple. If there is something you are not happy with, no matter how small, we will come back and fix it, no quibbles.

Over 200 years of collective experience

Our company has been designing, manufacturing and fitting Sash Windows, Casement Windows, French and Bi-Folding Doors, as well as Traditional Front Doors and Back Doors, for over 20 years, so you are in great hands.

Bespoke service tailored to your needs & specifications

Every element of the finished product is based on your exact desires, from glazing and window furniture to the architraves used. We also specialise in using Accoya wood to offer a durable and sustainable alternative to other timber.

Your work is NEVER subcontracted - it’s all us

Unlike many other companies, we manufacture our windows and doors in our purpose-built, state-of-the-art Guildford workshop, and then our full-time fitters will install them. Keeping our work contained in-house allows us to provide our customers with affordable services, without any unnecessary costs.

We supply, install and upgrade windows and doors in London & the South-East of England

Though our workshop and showroom are based in Guildford, Surrey, Here at The Specialist in Sash Windows, we endeavour to serve as much of the South-East of England, including London, Surrey, Berkshire, Essex, Hampshire, Kent & Sussex.

Case Study:

7-part bi-folding door set for Painshill

The Specialist in Traditional Sash Windows installed new bi-folding doors to fully open up the entire rear of Mr Hamilton’s Tea Room so customers could enjoy the idyllic views of Painshill Park.

Discover Quality Timber Window and Door services with The Specialist In Traditional Sash Windows

Are you looking to upgrade your windows and doors? At The Specialist In Traditional Sash Windows we have a variety of windows available to help make your house a home by keeping the heat in whilst maintaining the original style of your home. From traditional sash windows and casement windows to durable Accoya windows made from sustainably harvested wood, we have something to suit your needs.

Perhaps you need to replace your doors before the upcoming winter? We also provide a range of door services, including single and french doors, as well as bi-folding doors and sustainable Accoya doors. No matter your needs, get in touch with our specialists for help with your home today.

Call Our Team:

0800 3897384

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