Cost of underpinning in SO40

Estimates for underpin a building near SO40

Underpinning ranges from £17,356 (Trowel On based in SO40) to £17,612 (Safespec Building Services Limited based in SO40), 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 SO40 by posting a job with HaMuch and we will send it to extension builders in SO40.

"Underpinning" - SOUTHAMPTON, job posted 18/10/25

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Location in UK	Hourly Rate	Daily Rate
Underpin A Building near Totton	£34	£243
Underpin A Building near Southampton	£34	£243
Underpin A Building near Romsey	£32	£230
Underpin A Building near New Forest	£32	£245
Underpin A Building near Eastleigh	£34	£244
Underpin A Building near Chandler's Ford	£34	£245
Underpin A Building near Hedge End	£34	£244
Underpin A Building near Locks Heath	£33	£240
Underpin A Building near Winchester	£39	£283
Underpin A Building near Fareham	£35	£250

Estimates for common extension builder jobs in SO40;

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.