From £18,548
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in TW16. No obligation free quotes...
1 review
From £18,692
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
From £18,524
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
From £18,812
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,836
Aerea is a trusted extension builder serving customers in TW16 and the surrounding area. Contact us to today to get a competitive quote for extensi...
From £18,892
Need an Extension Builder in TW16? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
From £18,780
Member since August 2026
Relax... you have found a reliable extension builder in TW16. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in TW16 who co...
From £18,692
Need an Extension Builder in TW16? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for many year...
From £18,780
Trusted and professional extension builder in TW16. Experienced in all extension buildering work and keeping within budget and on quote. DC Build &...
From £18,932
DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...

Builders charge between £18,524 (SH Enterprise based in EC1V) and £18,932 (DP Services based in RG41) in TW16 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 TW16 by posting a job with HaMuch and we will send it to extension builders in TW16.
| Borough in London |
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| Garage in Sunbury-on-Thames |
| Garage in Faltham |
| Garage in Shepperton |
| Garage in Ashford |
| Garage in Hampton |
| Garage in West Molesey |
| Garage in Hatton |
| Garage in Walton-on-Thames |
| Garage in Richmond Upon Thames |
| Garage in Weybridge |
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 - £17,749

Two storey extension - £88,373

Build a timber frame extension - £26,249

Build a swimming pool - £81,249

Single storey extension - £59,976

Side return extension - £44,299

Install an RSJ - £2,449

Outbuilding - £10,249

Build a Mansard loft conversion - £52,249

Loft conversion - £36,083

Build a kitchen extension - £42,249

Hip to gable loft conversion - £42,249

Granny annexe - £87,249

Garden office - £10,249

Convert a Garage - £16,249

Garage - £18,749

Build a flat roof extension - £22,249

Build a dormer loft conversion - £42,249

Concrete foundations - £6,499

Convert a bungalow loft - £29,249

Convert a basement - £40,299