UK-wide directory
Find a window & double glazing installer near you
21,044 window and glazing companies across 57 counties, listed straight from the Companies House register.
- ✓ Browse by county, then town
- ✓ Every entry from the official register
- ✓ Free, no-obligation quotes from FENSA/Certass installers
Independent directory · not affiliated with the companies listed
Get free window quotes
FENSA or Certass registered installers covering your postcode. No obligation.
Get Free Quotes →How it works
From register to a quote in three steps.
1
Browse your area
Pick your county, then your town, to see the window and glazing companies registered there.
2
Check the details
Each listing shows the registered address, incorporation date and Companies House number.
3
Request quotes
Send your job once and compare free quotes from FENSA or Certass registered installers nearby.
Browse by region
Then drill down to counties and towns.
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Questions
How is this directory compiled?
Every company listed is an active business registered with UK Companies House under a joinery installation trade code. We group them by the town and county of their registered address.
Does a listing mean the company is recommended?
No. A listing is a public record, not an endorsement. Always check an engineer holds current FENSA or Certass registration before any window installation work, and get written quotes.
How do I get quotes?
Use the Get Free Quotes form. We pass your job details to FENSA or Certass registered installers covering your postcode so they can quote, with no obligation.
How do I remove or correct a listing?
Company data comes from Companies House. Email us and we will update or suppress a listing on request.