From £10,048
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Cobham. No obligation free quot...
From £10,112
Trusted and professional extension builder in Cobham. Experienced in all extension buildering work and keeping within budget and on quote. D Dan Co...
From £10,424
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,184
Experienced extension builder ready to quote for your work. DIAL 1ST CONSTRUCTION LTD is the best extension builder in Cobham. No obligation free q...
From £10,144
ABC Building & Maintenance Contractors Ltd is a trusted extension builder serving customers in Cobham and the surrounding area. Contact us to today...
From £10,160
Trusted and professional extension builder in Cobham. Experienced in all extension buildering work and keeping within budget and on quote. PARKWAY ...
From £10,432
Krystian Wojasiewicz is a trusted extension builder serving customers in Cobham and the surrounding area. Contact us to today to get a competitive ...
From £10,248
C & A Contractors is a trusted extension builder serving customers in Cobham and the surrounding area. Contact us to today to get a competitive quo...
From £9,984
Need an Extension Builder in Cobham? DIU Builders Group UK has been helping local clients (10 mile radius) with their extension buildering jobs for...
From £10,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Outbuilding costs in Cobham range from the cheapest of £9,984 (DIU Builders Group UK based in HA0) to the dearest of £10,432 (Krystian Wojasiewicz based in HA9), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Cobham by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Elmbridge | £43 | £277 |
| Outbuilding near Walton-on-Thames | £43 | £277 |
| Outbuilding near Esher | £43 | £274 |
| Outbuilding near Great Bookham | £42 | £281 |
| Outbuilding near New Haw | £43 | £273 |
| Outbuilding near West Molesey | £43 | £279 |
| Outbuilding near Sunbury-on-Thames | £42 | £279 |
| Outbuilding near Epsom | £43 | £274 |
| Outbuilding near Woking | £43 | £277 |
| Outbuilding near Ewell | £43 | £274 |
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 - £17,705

Two storey extension - £88,307

Build a timber frame extension - £26,205

Build a swimming pool - £81,205

Single storey extension - £59,096

Side return extension - £43,804

Install an RSJ - £2,405

Outbuilding - £10,205

Build a Mansard loft conversion - £52,205

Loft conversion - £35,670

Build a kitchen extension - £42,205

Hip to gable loft conversion - £42,205

Granny annexe - £87,205

Garden office - £10,205

Convert a Garage - £16,205

Garage - £18,705

Build a flat roof extension - £22,205

Build a dormer loft conversion - £42,205

Concrete foundations - £6,455

Convert a bungalow loft - £29,205

Convert a basement - £39,804