Build a flat roof extension cost in Thornton Heath
Top Builders
From £22,128
Experienced extension builder ready to quote for your work. Top Builders is the best extension builder in Thornton Heath. No obligation free quotes...
Peng Construction & Property Maintenance
From £22,264
Peng Construction & Property Maintenance is an established extension buildering business in Thornton Heath. We come highly recommended and provide ...
Banga Decoration
From £23,200
Member since August 2025
Banga decoration. Is Base in south London for number of year Banga decoration is a small company. Wich provide an excellent job to the custom...
Building Plus Company London Ltd
From £22,216
Building Plus Company London Ltd is an established extension buildering business in Thornton Heath. We come highly recommended and provide competit...
VDL Construction Ltd
From £22,240
Need to find an Extension Builder near you for all your extension buildering work?
VDL Construction Ltd provides a local, trusted extension...
Croft Structural Engineers
From £21,968
Experienced extension builder ready to quote for your work. Croft Structural Engineers is the best extension builder in Thornton Heath. No obligati...
Atkins Builders
From £22,216
Experienced extension builder ready to quote for your work. Atkins Builders is the best extension builder in Thornton Heath. No obligation free quo...
Fredibuilder
From £22,520
Need an Extension Builder in Thornton Heath? Fredibuilder has been helping local clients (10 mile radius) with their extension buildering jobs for...
A & P Master Construction
From £21,952
Experienced extension builder ready to quote for your work. A & P Master Construction is the best extension builder in Thornton Heath. No obligatio...
Flat roof extension cost in Thornton Heath
A flat roof extension ranges from the cheapest of £21,576 (M & J Building Construction based in CR7) to the dearest of £23,200 (Banga Decoration based in CR7), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Thornton Heath by posting a job with HaMuch. We'll send it to extension builders in Thornton Heath.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- Factors affecting the cost of flat roof extensions
- Advantages and disadvantages of flat roofs
- Which is cheaper: a flat roof or pitched roof?
- How long does a flat roof extension take?
- Do you need planning permission for a flat roof extension?
- How long does a flat roof last?
- Can you walk on a flat roof extension?
- What insulation do I need for a flat roof extension?
