From £16,048
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in TW2. No obligation free quotes ...
From £16,504
At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...
1 review
From £16,192
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 £16,024
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
From £16,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,392
Need an Extension Builder in TW2? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £16,192
Need an Extension Builder in TW2? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for many years...
From £16,280
Trusted and professional extension builder in TW2. Experienced in all extension buildering work and keeping within budget and on quote. DC Build & ...
From £16,152
I am a qualified, builder, electrician and plumber. I have been working in the construction industry for over 23 years and have built everything fr...
From £16,304
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...

Garage conversions in TW2 typically range from £16,024 (SH Enterprise based in EC1V) to £16,504 (Ferdas Design & Build Ltd based in W3), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in TW2 who will be happy to help.
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 - £17,740

Two storey extension - £88,360

Build a timber frame extension - £26,240

Build a swimming pool - £81,240

Single storey extension - £59,800

Side return extension - £44,200

Install an RSJ - £2,440

Outbuilding - £10,240

Build a Mansard loft conversion - £52,240

Loft conversion - £36,000

Build a kitchen extension - £42,240

Hip to gable loft conversion - £42,240

Granny annexe - £87,240

Garden office - £10,240

Convert a Garage - £16,240

Garage - £18,740

Build a flat roof extension - £22,240

Build a dormer loft conversion - £42,240

Concrete foundations - £6,490

Convert a bungalow loft - £29,240

Convert a basement - £40,200