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JK Doors is a trusted extension builder serving customers in Monument and the surrounding area. Contact us to today to get a competitive quote for ...
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
Need an Extension Builder in Monument? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension buildering ...
Relax... you have found a reliable extension builder in Monument. London Trowel Co. is a friendly and reliable company based in Monument who consid...
Trusted and professional extension builder in Monument. Experienced in all extension buildering work and keeping within budget and on quote. Thermo...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Monument. No obligation free quo...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Monument and the surrounding area. Contact us to today to ge...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Monument. We offer a competitive rate to complete all your extensio...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Monument. No obligation free...
GS Fabric Ltd is an established and experienced local extension builder in Monument. Please contact us for a free, no obligation quote and competit...

Garden offices range from the cheapest of £9,928 (GS Fabric Ltd based in E2) to the dearest of £10,376 (Exquisite Design & Build Ltd based in SE16), 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 Monument by posting a job with HaMuch. We'll send it to extension builders in Monument.
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 - £17,655

Two storey extension - £88,233

Build a timber frame extension - £26,155

Build a swimming pool - £81,155

Single storey extension - £58,104

Side return extension - £43,246

Install an RSJ - £2,355

Outbuilding - £10,155

Build a Mansard loft conversion - £52,155

Loft conversion - £35,205

Build a kitchen extension - £42,155

Hip to gable loft conversion - £42,155

Granny annexe - £87,155

Garden office - £10,155

Convert a Garage - £16,155

Garage - £18,655

Build a flat roof extension - £22,155

Build a dormer loft conversion - £42,155

Concrete foundations - £6,405

Convert a bungalow loft - £29,155

Convert a basement - £39,246