★★★★★5.0 on Google from fewer than 10 reviews
Sashco — builders in London
Sashco is a family-run business that specialises in sash windows and also repairs, refurbishes, supplies and fits windows in wood, aluminium, UPVC and Crittall. It serves Greater London, Surrey and Kent and has fitted new windows for domestic and commercial clients since 1990.
Typical building prices in London · Locufy price guide
The ranges are what London homes typically pay, from Locufy's price guides. They are not Sashco's own prices: you can ask Sashco for its price from this page — asking is free, with no obligation.
Building & extensions
Kitchens, bathrooms & interiors
Roofs, walls & windows
Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are priced on survey.
About Sashco
Sashco is a family-run business that specialises in sash windows and also repairs, refurbishes, supplies and fits windows in wood, aluminium, UPVC and Crittall. It serves Greater London, Surrey and Kent and has fitted new windows for domestic and commercial clients since 1990.
At a glance
- Trade
- Building and construction
- Based
- Bromley, Keston
- Covers
- London and 15 km around
- 5.0 · fewer than 10 reviews
- Hours
- Mon–Fri 9:00–18:00
- Quotes
- Written, free, no obligation
- Phone
- Call +44 1689 497849
A written price, with no obligation
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Sashco prices it
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How Sashco is rated
As published on Google, refreshed on each visit.
Read the reviews on Google →Locufy reviews
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Have a question before you book?
Do they cover London? What would they need from you to give a price? Your message goes directly to Sashco by email.
London and the towns around it
Based in London, Sashco works across the city and about 15 km around it.
- London
- Croydon
- Purley
- Mitcham
- Beckenham
- Streatham
- Eltham
- Carshalton
- Catford
- Welling
Before you book
Which areas does Sashco cover?
Sashco supplies and fits windows in Greater London, Surrey and Kent. It will also visit homes within a five-mile range for a no-cost consultation.
Do you repair windows or only replace them?
Both. Sashco repairs, refurbishes and replaces windows, and many that seem to need replacing can be repaired and refurbished instead.
Do you provide a quote before any work starts?
Yes. Sashco always surveys the property first, then gives a quote.
Which window types does Sashco fit?
Sashco's main speciality is sash windows, and it also fits frames in wood, aluminium, UPVC and Crittall.
Do you work with commercial clients as well as homeowners?
Yes. Sashco works for both homeowners and businesses, having fitted new windows for domestic and commercial customers since 1990.
Is the initial window consultation free?
Yes. The consultation at your home costs nothing, and Sashco will travel up to five miles to hold it.
Get a written price from Sashco
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