Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Balham. No obligation free quot...
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 Balham and the surrounding area. Contact us to today to get a ...
Robert Buci
Buci builders ltd is a trusted extension builder serving customers in Balham and the surrounding area. Contact us to today to get a competitive quo...
Wahid Ali
I am a qualified, builder, electrician and plumber. I have been working in the construction industry for over 23 years and have built everything fr...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Balham. No obligation free...
London Construction is an established and experienced local extension builder in Balham. Please contact us for a free, no obligation quote and comp...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Balham. No obligation free q...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Renaissance Timothy Brewer Ltd is an established extension buildering business in Balham. We come highly recommended and provide competitive quotes...

Garden offices range from the cheapest of £9,984 (RCB Group Design & Build based in SE21) to the dearest of £11,024 (Buci builders ltd based in SE27), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Balham by posting a job with HaMuch. We'll send it to extension builders in Balham.
| Borough in London |
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| Garden Office in Balham |
| Garden Office in Clapham |
| Garden Office in Tooting |
| Garden Office in Brixton |
| Garden Office in Battersea |
| Garden Office in Earlsfield |
| Garden Office in Streatham |
| Garden Office in Herne Hill |
| Garden Office in Nine Elms |
| Garden Office in Stockwell |
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 - £17,774

Two storey extension - £88,412

Build a timber frame extension - £26,274

Build a swimming pool - £81,274

Single storey extension - £60,488

Side return extension - £44,587

Install an RSJ - £2,474

Outbuilding - £10,274

Build a Mansard loft conversion - £52,274

Loft conversion - £36,323

Build a kitchen extension - £42,274

Hip to gable loft conversion - £42,274

Granny annexe - £87,274

Garden office - £10,274

Convert a Garage - £16,274

Garage - £18,774

Build a flat roof extension - £22,274

Build a dormer loft conversion - £42,274

Concrete foundations - £6,524

Convert a bungalow loft - £29,274

Convert a basement - £40,587