Trinity Green Building Contractors are here to help customers who need an Extension Builder in Spalding. We offer a competitive rate to complete al...
From £17,404
R JOSE (BUILDER) is an established and experienced local extension builder in Spalding. Please contact us for a free, no obligation quote and compe...
From £17,468
Relax... you have found a reliable extension builder in Spalding. OLD COURT BUILDERS is a friendly and reliable company based in Spalding who consi...

Underpinning ranges from £17,404 (R JOSE (BUILDER) based in PE11) to £17,564 (Trinity Green Building Contractors based in PE6), 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 Spalding by posting a job with HaMuch and we will send it to extension builders in Spalding.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near Boston | £28 | £262 |
| Underpin A Building near Wisbech | £34 | £255 |
| Underpin A Building near Peterborough | £40 | £281 |
| Underpin A Building near Stamford | £35 | £248 |
| Underpin A Building near Grantham | £38 | £228 |
| Underpin A Building near King's Lynn | £33 | £254 |
| Underpin A Building near Huntingdonshire | £36 | £290 |
| Underpin A Building near Kings Lynn & West Norfolk | £31 | £238 |
| Underpin A Building near Corby | £30 | £214 |
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 - £17,479

Two storey extension - £87,968

Build a timber frame extension - £25,979

Build a swimming pool - £80,979

Single storey extension - £54,573

Side return extension - £41,260

Install an RSJ - £2,179

Outbuilding - £9,979

Build a Mansard loft conversion - £51,979

Loft conversion - £33,550

Build a kitchen extension - £41,979

Hip to gable loft conversion - £41,979

Granny annexe - £86,979

Garden office - £9,979

Convert a Garage - £15,979

Garage - £18,479

Build a flat roof extension - £21,979

Build a dormer loft conversion - £41,979

Concrete foundations - £6,229

Convert a bungalow loft - £28,979

Convert a basement - £37,260