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Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in St Pancras and the surrounding area. Contact us to today to get a competit...
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Relax... you have found a reliable extension builder in St Pancras. London Trowel Co. is a friendly and reliable company based in St Pancras who co...
Trusted and professional extension builder in St Pancras. Experienced in all extension buildering work and keeping within budget and on quote. Ther...
Jay Reid
Darren Bergin
Relax... you have found a reliable extension builder in St Pancras. First guard Roofing is a friendly and reliable company based in St Pancras who ...
CK Constructions & Development Ltd is a trusted extension builder serving customers in St Pancras and the surrounding area. Contact us to today to ...
A to Z Builders Ltd are here to help customers who need an Extension Builder in St Pancras. We offer a competitive rate to complete all your extens...
JK Doors is a trusted extension builder serving customers in St Pancras and the surrounding area. Contact us to today to get a competitive quote fo...

Garden offices range from the cheapest of £9,976 (SLS BUILDERS LIMITED based in NW5) to the dearest of £12,320 (Reid and Co Developments Ltd based in NW8), 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 St Pancras by posting a job with HaMuch. We'll send it to extension builders in St Pancras.
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 - £17,843

Two storey extension - £88,515

Build a timber frame extension - £26,343

Build a swimming pool - £81,343

Single storey extension - £61,864

Side return extension - £45,361

Install an RSJ - £2,543

Outbuilding - £10,343

Build a Mansard loft conversion - £52,343

Loft conversion - £36,968

Build a kitchen extension - £42,343

Hip to gable loft conversion - £42,343

Granny annexe - £87,343

Garden office - £10,343

Convert a Garage - £16,343

Garage - £18,843

Build a flat roof extension - £22,343

Build a dormer loft conversion - £42,343

Concrete foundations - £6,593

Convert a bungalow loft - £29,343

Convert a basement - £41,361