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J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in Stanmore. Please contact us for a free, no obligation quote and ...
RLC Construction are here to help customers who need an Extension Builder in Stanmore. We offer a competitive rate to complete all your extension b...
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...
Chrysalis are here to help customers who need an Extension Builder in Stanmore. We offer a competitive rate to complete all your extension builderi...
Relax... you have found a reliable extension builder in Stanmore. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in Stanmor...
Stanmore, HA7
Volton Building & Paving is a trusted extension builder serving customers in Stanmore and the surrounding area. Contact us to today to get a compet...
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...
Ashley Payravi
At crest construction we work extremely hard to ensure that our clients receive a quality of service that continues to build our reputation. Client...
Marcel Simion
Hi everyone!
i have good experience over 25 years working in construction and I have my on Business and my company
"I'm very happy for the job what his done" - LONDON,reviewed 29/09/17, SIMONA
Stanmore, HA7
BR Building Services Limited is a trusted extension builder serving customers in Stanmore and the surrounding area. Contact us to today to get a co...

Garden offices range from the cheapest of £9,760 (Simion PC Construction Ltd based in HA8) to the dearest of £10,440 (COMPLETE CIVIL ENGINEERING based in HA8), 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 Stanmore by posting a job with HaMuch. We'll send it to extension builders in Stanmore.
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 - £17,674

Two storey extension - £88,262

Build a timber frame extension - £26,174

Build a swimming pool - £81,174

Single storey extension - £58,488

Side return extension - £43,462

Install an RSJ - £2,374

Outbuilding - £10,174

Build a Mansard loft conversion - £52,174

Loft conversion - £35,385

Build a kitchen extension - £42,174

Hip to gable loft conversion - £42,174

Granny annexe - £87,174

Garden office - £10,174

Convert a Garage - £16,174

Garage - £18,674

Build a flat roof extension - £22,174

Build a dormer loft conversion - £42,174

Concrete foundations - £6,424

Convert a bungalow loft - £29,174

Convert a basement - £39,462