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Relax... you have found a reliable extension builder in Surrey. GDW Construction is a friendly and reliable company based in Surrey who consider no...
BENCHMARK BUILDING & is a trusted extension builder serving customers in Surrey and the surrounding area. Contact us to today to get a competitive ...
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Surrey. We offer a competitive rate to complete all your extension bui...
From £17,200
Sebastian Banga
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...
Relax... you have found a reliable extension builder in Surrey. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable comp...
Hilton building contractors ltd is a trusted extension builder serving customers in Surrey and the surrounding area. Contact us to today to get a c...
Relax... you have found a reliable extension builder in Surrey. Amazing Space Design and Build Ltd. is a friendly and reliable company based in Sur...
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...
Relax... you have found a reliable extension builder in Surrey. L M G Building Services (London) Ltd is a friendly and reliable company based in Su...

Garage conversions in Surrey typically range from £15,936 (Masters Property Services based in SM5) to £17,200 (Banga Decoration based in CR7), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in Surrey who will be happy to help.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Garage near Caterham | £43 | £271 |
| Convert A Garage near Redhill | £41 | £269 |
| Convert A Garage near Reigate & Banstead | £41 | £271 |
| Convert A Garage near Croydon | £42 | £267 |
| Convert A Garage near Reigate | £40 | £270 |
| Convert A Garage near Tadworth | £41 | £271 |
| Convert A Garage near Sutton | £43 | £274 |
| Convert A Garage near Epsom | £44 | £275 |
| Convert A Garage near Ewell | £44 | £275 |
| Convert A Garage near Horley | £38 | £258 |
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 - £17,828

Two storey extension - £88,492

Build a timber frame extension - £26,328

Build a swimming pool - £81,328

Single storey extension - £61,560

Side return extension - £45,190

Install an RSJ - £2,528

Outbuilding - £10,328

Build a Mansard loft conversion - £52,328

Loft conversion - £36,825

Build a kitchen extension - £42,328

Hip to gable loft conversion - £42,328

Granny annexe - £87,328

Garden office - £10,328

Convert a Garage - £16,328

Garage - £18,828

Build a flat roof extension - £22,328

Build a dormer loft conversion - £42,328

Concrete foundations - £6,578

Convert a bungalow loft - £29,328

Convert a basement - £41,190