Robert Buci
Buci builders ltd is a trusted extension builder serving customers in Herne Hill and the surrounding area. Contact us to today to get a competitive...
Vasi J
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
PW Construction & Renovation Ltd is a trusted extension builder serving customers in Herne Hill and the surrounding area. Contact us to today to ge...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Herne Hill. No obligation free quote...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Herne Hill. No obligation ...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Herne Hill. No obligation fr...
Relax... you have found a reliable extension builder in Herne Hill. PRM BUILDING is a friendly and reliable company based in Herne Hill who conside...
Trusted and professional extension builder in Herne Hill. Experienced in all extension buildering work and keeping within budget and on quote. Loca...
Trusted and professional extension builder in Herne Hill. Experienced in all extension buildering work and keeping within budget and on quote. Vida...
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in Herne Hill. We offer a competitive rate to complete all your...

Costs range from £87,976 (RCB Group Design & Build based in SE21) to £89,536 (Buci builders ltd based in SE27), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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"Two storey extension" - HERNE HILL, job posted 01/12/25
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 - £17,749

Two storey extension - £88,373

Build a timber frame extension - £26,249

Build a swimming pool - £81,249

Single storey extension - £59,976

Side return extension - £44,299

Install an RSJ - £2,449

Outbuilding - £10,249

Build a Mansard loft conversion - £52,249

Loft conversion - £36,083

Build a kitchen extension - £42,249

Hip to gable loft conversion - £42,249

Granny annexe - £87,249

Garden office - £10,249

Convert a Garage - £16,249

Garage - £18,749

Build a flat roof extension - £22,249

Build a dormer loft conversion - £42,249

Concrete foundations - £6,499

Convert a bungalow loft - £29,249

Convert a basement - £40,299