From £17,532
Ilford, IG2
P & I Construction is an established extension buildering business in IG2. We come highly recommended and provide competitive quotes for your work....
From £17,484
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,716
Gants Hill, IG2
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,580
REMMY BUILDERS is an established extension buildering business in IG2. We come highly recommended and provide competitive quotes for your work.
...From £17,468
Britbuild Direct is an established and experienced local extension builder in IG2. Please contact us for a free, no obligation quote and competitiv...
From £17,708
We are a British construction company with over 30 years experience in both commercial and residential building work. As a one-stop-shop, we provid...
From £17,532
M & S Builders is a trusted extension builder serving customers in IG2 and the surrounding area. Contact us to today to get a competitive quote for...
From £17,780
Need an Extension Builder in IG2? Sirha Builders has been helping local clients (10 mile radius) with their extension buildering jobs for many year...
From £17,652
Gants Hill, IG2
Need to find an Extension Builder near you for all your extension buildering work?
BENNING CONSTRUCTION LIMITED provides a local, trusted e...
From £17,436
Slade Building and Construction Ltd is an established extension buildering business in IG2. We come highly recommended and provide competitive quot...

Underpinning ranges from £17,436 (Slade Building and Construction Ltd based in IG6) to £17,780 (Sirha Builders based in IG2), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in IG2 by posting a job with HaMuch and we will send it to extension builders in IG2.
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 - £17,589

Two storey extension - £88,133

Build a timber frame extension - £26,089

Build a swimming pool - £81,089

Single storey extension - £56,776

Side return extension - £42,499

Install an RSJ - £2,289

Outbuilding - £10,089

Build a Mansard loft conversion - £52,089

Loft conversion - £34,583

Build a kitchen extension - £42,089

Hip to gable loft conversion - £42,089

Granny annexe - £87,089

Garden office - £10,089

Convert a Garage - £16,089

Garage - £18,589

Build a flat roof extension - £22,089

Build a dormer loft conversion - £42,089

Concrete foundations - £6,339

Convert a bungalow loft - £29,089

Convert a basement - £38,499