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Relax... you have found a reliable extension builder in North Cheam. GDW Construction is a friendly and reliable company based in North Cheam who c...
Relax... you have found a reliable extension builder in North Cheam. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable...
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
Hilton building contractors ltd is a trusted extension builder serving customers in North Cheam and the surrounding area. Contact us to today to ge...
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...
Our building services company Refine Property Maintenance Ltd was established in 2020. Since then we have been helping customers in and around Epso...
Relax... you have found a reliable extension builder in North Cheam. Amazing Space Design and Build Ltd. is a friendly and reliable company based i...
RM Sanwell Roofing is a trusted extension builder serving customers in North Cheam and the surrounding area. Contact us to today to get a competiti...
Trusted and professional extension builder in North Cheam. Experienced in all extension buildering work and keeping within budget and on quote. CSJ...

A flat roof extension ranges from the cheapest of £21,936 (D A P CONSTRUCTION based in KT4) 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 North Cheam by posting a job with HaMuch. We'll send it to extension builders in North Cheam.
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 - £17,736

Two storey extension - £88,354

Build a timber frame extension - £26,236

Build a swimming pool - £81,236

Single storey extension - £59,720

Side return extension - £44,155

Install an RSJ - £2,436

Outbuilding - £10,236

Build a Mansard loft conversion - £52,236

Loft conversion - £35,963

Build a kitchen extension - £42,236

Hip to gable loft conversion - £42,236

Granny annexe - £87,236

Garden office - £10,236

Convert a Garage - £16,236

Garage - £18,736

Build a flat roof extension - £22,236

Build a dormer loft conversion - £42,236

Concrete foundations - £6,486

Convert a bungalow loft - £29,236

Convert a basement - £40,155