Underpin your home in ST1 from £17,172

If your home needs underpinning due to subsidence, it can be a worrying time for you. Luckily, specialist builders can help you underpin your house and stabilise it for years to come. But how much will it cost in ST1? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Underpin a building cost in ST1 - Sort by rates or availability

From £17,252

(last active 21/08/26)
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B B ROOFCARE LTD

B B ROOFCARE LTD is a trusted extension builder serving customers in ST1 and the surrounding area. Contact us to today to get a competitive quote f...

From £17,596

(last active 21/08/26)
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D & K BUILDING SERVICES T/A

D & K BUILDING SERVICES T/A is an established and experienced local extension builder in ST1. Please contact us for a free, no obligation quote and...

From £17,236

(last active 21/08/26)
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SJF Building Contractors

Experienced extension builder ready to quote for your work. SJF Building Contractors is the best extension builder in ST1. No obligation free quote...

From £17,172

(last active 04/08/26)
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A & R Ansell Builders

A & R Ansell Builders is a trusted extension builder serving customers in ST1 and the surrounding area. Contact us to today to get a competitive qu...

From £17,180

(last active 04/08/26)
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A SHAFI CONSTRUCTION

A SHAFI CONSTRUCTION is an established and experienced local extension builder in ST1. Please contact us for a free, no obligation quote and compet...

From £17,484

(last active 16/07/26)
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ANDREWS CONSTRUCTION

Andrew Bell

Experienced extension builder ready to quote for your work. ANDREWS CONSTRUCTION is the best extension builder in ST1. No obligation free quotes an...

From £17,468

(last active 11/06/26)
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Fernz Construction

Trusted and professional extension builder in ST1. Experienced in all extension buildering work and keeping within budget and on quote. Fernz Const...

From £17,436

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B2 building Contractors Ltd

B2 building Contractors Ltd is an established and experienced local extension builder in ST1. Please contact us for a free, no obligation quote and...

Cost of underpinning in ST1

Estimates for underpin a building near ST1

Underpinning ranges from £17,172 (A & R Ansell Builders based in ST4) to £17,596 (D & K BUILDING SERVICES T/A based in ST6), 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 ST1 by posting a job with HaMuch and we will send it to extension builders in ST1.


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Estimates for common extension builder jobs in ST1;

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.

More extensions & conversions cost guides...