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Select your affordable WC1X extension builder
JK Doors is a trusted extension builder serving customers in WC1X and the surrounding area. Contact us to today to get a competitive quote for exte...
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
Darren Bergin
Relax... you have found a reliable extension builder in WC1X. First guard Roofing is a friendly and reliable company based in WC1X who consider no ...
CK Constructions & Development Ltd is a trusted extension builder serving customers in WC1X and the surrounding area. Contact us to today to get a ...
JM Building Services is a trusted extension builder serving customers in WC1X and the surrounding area. Contact us to today to get a competitive qu...
Buildwiser is a trusted extension builder serving customers in WC1X and the surrounding area. Contact us to today to get a competitive quote for ex...
From £20,564
Anthony Sullivan
We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.
From £18,652
Plansing Ltd
Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...
From £18,540
TOP CONSTRUCTION is an established extension buildering business in WC1X. We come highly recommended and provide competitive quotes for your work.<...
From £18,500
Need an Extension Builder in WC1X? Bok Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...

Builders charge between £18,484 (JK Doors based in W1W) and £20,564 (Q Lofts and Extensions based in EC1R) in WC1X to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in WC1X by posting a job with HaMuch and we will send it to extension builders in WC1X.
| Borough in London |
|---|
| Garage in King's Cross |
| Garage in Russell Square |
| Garage in Bloomsbury |
| Garage in Finsbury |
| Garage in Gray's Inn |
| Garage in St Pancras |
| Garage in Hatton Garden |
| Garage in High Holborn |
| Garage in Bloomsbury |
| Garage in Lincoln's Inn Fields |
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 - £17,825

Two storey extension - £88,487

Build a timber frame extension - £26,325

Build a swimming pool - £81,325

Single storey extension - £61,496

Side return extension - £45,154

Install an RSJ - £2,525

Outbuilding - £10,325

Build a Mansard loft conversion - £52,325

Loft conversion - £36,795

Build a kitchen extension - £42,325

Hip to gable loft conversion - £42,325

Granny annexe - £87,325

Garden office - £10,325

Convert a Garage - £16,325

Garage - £18,825

Build a flat roof extension - £22,325

Build a dormer loft conversion - £42,325

Concrete foundations - £6,575

Convert a bungalow loft - £29,325

Convert a basement - £41,154