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Relax... you have found a reliable extension builder in Caterham. GDW Construction is a friendly and reliable company based in Caterham who conside...
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Caterham. We offer a competitive rate to complete all your extension b...
BENCHMARK BUILDING & is a trusted extension builder serving customers in Caterham and the surrounding area. Contact us to today to get a competitiv...
Relax... you have found a reliable extension builder in Caterham. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable co...
Hilton building contractors ltd is a trusted extension builder serving customers in Caterham and the surrounding area. Contact us to today to get a...
Relax... you have found a reliable extension builder in Caterham. Amazing Space Design and Build Ltd. is a friendly and reliable company based in C...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
DPP Construction (David Price Partnership) provides a lo...
Relax... you have found a reliable extension builder in Caterham. L M G Building Services (London) Ltd is a friendly and reliable company based in ...

A flat roof extension ranges from the cheapest of £21,936 (Masters Property Services based in SM5) to the dearest of £22,800 (GDW Construction based in SM3), 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 Caterham by posting a job with HaMuch. We'll send it to extension builders in Caterham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Caterham | £43 | £271 |
| Build A Flat Roof Extension near Redhill | £41 | £269 |
| Build A Flat Roof Extension near Reigate & Banstead | £41 | £271 |
| Build A Flat Roof Extension near Reigate | £40 | £270 |
| Build A Flat Roof Extension near Croydon | £42 | £267 |
| Build A Flat Roof Extension near Tadworth | £41 | £271 |
| Build A Flat Roof Extension near Sutton | £43 | £274 |
| Build A Flat Roof Extension near Epsom | £44 | £275 |
| Build A Flat Roof Extension near Horley | £38 | £258 |
| Build A Flat Roof Extension near Ewell | £44 | £275 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,735

Two storey extension - £88,353

Build a timber frame extension - £26,235

Build a swimming pool - £81,235

Single storey extension - £59,704

Side return extension - £44,146

Install an RSJ - £2,435

Outbuilding - £10,235

Build a Mansard loft conversion - £52,235

Loft conversion - £35,955

Build a kitchen extension - £42,235

Hip to gable loft conversion - £42,235

Granny annexe - £87,235

Garden office - £10,235

Convert a Garage - £16,235

Garage - £18,735

Build a flat roof extension - £22,235

Build a dormer loft conversion - £42,235

Concrete foundations - £6,485

Convert a bungalow loft - £29,235

Convert a basement - £40,146