
Timber sash windows
Vertical sliding sashes, traditional detailing and options for modern double glazing.
Explore sash windowsMADE IN BRITAIN · BARNET
Beautiful timber casement windows, made to measure with traditional details and modern glazing options. Find out what could suit your home in Barnet.
No obligation · You don't need measurements to get started

Made-to-measure timber windowsCONSIDERING TIMBER CASEMENT WINDOWS?
Choosing casement windows? Opening direction, frame proportions, glazing bars and the style of your home all matter.
We can help you explore timber details, glazing choices and the next steps. If your property is listed or in a conservation area, check the relevant permissions with your local planning authority.
EXPLORE TIMBER WINDOWS

Vertical sliding sashes, traditional detailing and options for modern double glazing.
Explore sash windows
Considered opening styles, bespoke timber profiles and glazing to complement your property.
Explore casement windowsAlso exploring sash windows? See our sash guide for Barnet →
FROM ENQUIRY TO QUOTATION
Tell us a little about the windows you'd like to replace or improve. Our team can discuss the options and whether a visit would be useful before a quotation is prepared.
You don't need exact measurements to get started.
Get Your QuoteYOUR QUESTIONS
We can discuss glazing bars, frame proportions, finishing details and opening styles that fit your property's character.
That's fine. Start with a quote enquiry and tell us what you know about your windows. We can discuss the next steps with you.
It can. Requirements vary by property and local authority. Check any restrictions before work is agreed.
No. Box Sash also offers made-to-measure timber casement windows. Explore both styles above to see which is relevant.
GET YOUR QUOTE
Share some basic details about your home and the windows you're considering. Our team will contact you to discuss the next steps.
Get Your QuotePrefer to speak? 01753 858196
See the designs and photographs on our main product page, then use the quote form when you're ready.
View casement windows →