Established in 1979
We’ve spent decades working with the details that make traditional timber sash windows special.
ESTABLISHED 1979 · BRITISH MADE
Beautifully Crafted Georgian Timber Sash Windows.
Beautifully made Georgian timber sash windows, with elegant glazing bars, balanced proportions and modern glazing options. Made to measure for homes across London, the South East and selected Cotswolds areas.
No-obligation quote · No measurements needed to get started.
Since 1979Decades of timber window experience
Made in BritainBritish-made timber windows
Made to measureDesigned around your property
START YOUR QUOTE
Ready to find the right Georgian windows for your home?
Tell us a little about your property and the Georgian window style you have in mind. Our team will discuss the options and prepare a tailored quotation.
01Tell us about your Georgian window project.
02We’ll contact you to discuss your requirements.
03We can arrange a home visit before preparing a tailored quote.
No measurements needed to get started.
NO-OBLIGATION ENQUIRY
Get Your Quote
Tell us a few details about your property and how to contact you. We’ll take it from there.
No measurements or technical knowledge needed.
WHY BOX SASH
Experience you can see in the details.
Beautiful Georgian windows should feel at home in a period property. Glazing bars, proportions, timber and finish all make a difference.
Made here in Britain
Our bespoke Georgian timber windows are made in Britain to measurements and specifications suited to your home.
A considered finish
From six-over-six pane patterns and fine glazing bars to timber profiles and finishes, we can discuss the details that suit your home.
50 yearsTimber-frame guarantee
10 yearsGlazing-unit guarantee
WHY WE VISIT YOUR HOME
The right windows start with seeing the house.
Every Georgian or Georgian-style property is different. A home visit can help us assess existing windows and the traditional detailing you want to retain.
- Look at pane patterns, openings and period details.
- Discuss glazing, warmth, draughts and everyday comfort.
- Consider replacement options and a suitable specification.
We’ll discuss arranging a visit when we call.
Get Your QuoteGEORGIAN TIMBER WINDOWS
Georgian windows that belong to the home.
Explore the traditional Georgian appearance through our original window photographs, from classic painted sashes to natural timber finishes.
GEORGIAN WINDOWS FOR YOUR PROPERTY
Find the right Georgian sash windows for your home.
From delicate glazing bars to modern glazing and sympathetic replacements, the design begins with the architecture of your home.
01 · CLASSIC PROPORTIONS
Traditional Georgian Sash Windows
Bespoke timber sash windows with characteristic Georgian glazing bars, well-balanced pane layouts and elegant frame proportions.
Get Your Quote02 · MODERN COMFORT
Double Glazed Georgian Sash Windows
Explore suitable double-glazing options alongside traditional Georgian character. We can advise on warmth, draughts, comfort and the details of your property.
Get Your Quote03 · PERSONAL FINISHES
Bespoke Georgian Timber Windows
Consider natural timber, painted finishes, glazing bars and joinery details to give your Georgian windows a considered, individual finish.
Get Your Quote04 · THOUGHTFUL REPLACEMENT
Replacement Georgian Sash Windows
Replacing ageing Georgian sashes? We can discuss made-to-measure timber replacements and whether sound existing box frames may be retained.
Get Your QuoteLONDON · SOUTH EAST · COTSWOLDS
Georgian sash windows across our service areas.
We welcome Georgian window enquiries across Greater London, selected South East areas and parts of the Cotswolds. Share your location when requesting a quote and we’ll confirm coverage.
Get Your QuoteENQUIRIES WELCOME FROM
Greater London · Surrey · Kent · Sussex · Berkshire · Buckinghamshire · Hertfordshire · Essex · Selected Cotswolds locations
Not sure if we cover your area? Request a quote and we’ll confirm whether we can help.
Explore our London service areaGOOD TO KNOW
Your Georgian window questions answered.
Want to know more about your options? Call us on 01753 858196.
Where are your Georgian timber windows made?
Our Georgian timber sash windows are made in Britain.
Can someone advise on the original Georgian details?
Yes. We can discuss glazing bars, pane patterns, frame profiles and appropriate specifications. A home visit may be arranged where helpful.
Do I need measurements to get started?
No. We can discuss your windows and arrange the next steps without measurements at this stage.
Can new Georgian sash windows be double glazed?
Double-glazing options may be suitable while retaining the look of traditional timber sashes. Listed properties and conservation areas may need additional approvals.
Do you cover London, the South East and the Cotswolds?
We welcome enquiries across Greater London, selected parts of the South East and the Cotswolds. Send an enquiry and we’ll confirm availability for your address.
What guarantees are offered?
Box Sash offers a 50-year timber-frame guarantee and a 10-year glazing-unit guarantee. Ask the team about the applicable terms.
BOX SASH · ESTABLISHED 1979
Considering Georgian sash windows?
Tell us about your Georgian windows on our quote page and we’ll help you explore the right next steps.
Get Your QuoteOr call 01753 858196