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Select your affordable B34 extension builder
Lloyd Clarke
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
Gary Wilson
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
AJ Home Improvements is an established extension buildering business in B34. We come highly recommended and provide competitive quotes for your wor...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
John Kinloch Construction Ltd provides a local, trusted ...
Guild Building Solutions Ltd is a well established, reliable and trustworthy company with over 25 years' experience. We are based in Sutton Coldfie...
From £17,396
Experienced extension builder ready to quote for your work. DM FLOYD BUILDING is the best extension builder in B34. No obligation free quotes and m...
From £16,932
Peter Smith
Reliable and trustworthy
Also on checkatrafe
From £16,524
JAMES Crawford
we have over 13 years exp
we go that extra mile to make sure customers are 100 % happy
we cover a 20 miles radus for b26 area...

Underpinning ranges from £16,524 (J s building & maintenance services limited based in B26) to £17,396 (DM FLOYD BUILDING based in B36), 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 B34 by posting a job with HaMuch and we will send it to extension builders in B34.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sutton Coldfield | £28 | £227 |
| Underpin A Building near Birmingham | £28 | £228 |
| Underpin A Building near Solihull | £29 | £231 |
| Underpin A Building near Smethwick | £29 | £230 |
| Underpin A Building near Knowle | £31 | £241 |
| Underpin A Building near Oldbury | £29 | £229 |
| Underpin A Building near West Bromwich | £29 | £228 |
| Underpin A Building near Tamworth | £33 | £288 |
| Underpin A Building near Sandwell | £29 | £231 |
| Underpin A Building near Walsall | £29 | £229 |
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 - £17,166

Two storey extension - £87,498

Build a timber frame extension - £25,666

Build a swimming pool - £80,666

Single storey extension - £48,312

Side return extension - £37,738

Install an RSJ - £1,866

Outbuilding - £9,666

Build a Mansard loft conversion - £51,666

Loft conversion - £30,615

Build a kitchen extension - £41,666

Hip to gable loft conversion - £41,666

Granny annexe - £86,666

Garden office - £9,666

Convert a Garage - £15,666

Garage - £18,166

Build a flat roof extension - £21,666

Build a dormer loft conversion - £41,666

Concrete foundations - £5,916

Convert a bungalow loft - £28,666

Convert a basement - £33,738