From £17,356
We are building contractors specialising in building extensions & Dormer Conversion. With some general building work.
From £17,404
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. FJ Property Care Ltd understan...
From £17,108
Experienced extension builder ready to quote for your work. ZF2 Builders is the best extension builder in Market Harborough. No obligation free qu...
From £17,172
C & S Builders is an established extension buildering business in Market Harborough. We come highly recommended and provide competitive quotes for ...
From £17,292
Colin Pallett is a trusted extension builder serving customers in Market Harborough and the surrounding area. Contact us to today to get a competit...
From £17,148
FALCON BUILDERS is a trusted extension builder serving customers in Market Harborough and the surrounding area. Contact us to today to get a compet...
From £17,164
Need to find an Extension Builder near you for all your extension buildering work?
DAVIES BUILDERS LTD provides a local, trusted extension ...
From £17,340
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,220
Experienced extension builder ready to quote for your work. B C S Loft & Joinery is the best extension builder in Market Harborough. No obligation ...
From £17,044
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...

Underpinning ranges from £17,044 (A G Hicks Building Services based in NN3) to £17,404 (FJ Property Care Ltd based in LE2), 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 Market Harborough by posting a job with HaMuch and we will send it to extension builders in Market Harborough.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Market Harborough | £31 | £217 |
| Underpin A Building near Corby | £30 | £214 |
| Underpin A Building near Kettering | £34 | £237 |
| Underpin A Building near Wigston | £28 | £209 |
| Underpin A Building near Oadby | £28 | £207 |
| Underpin A Building near Hamilton | £29 | £213 |
| Underpin A Building near Leicester | £29 | £213 |
| Underpin A Building near Wellingborough | £39 | £251 |
| Underpin A Building near Northampton | £35 | £239 |
| Underpin A Building near Rugby | £31 | £224 |
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 - £17,225

Two storey extension - £87,587

Build a timber frame extension - £25,725

Build a swimming pool - £80,725

Single storey extension - £49,496

Side return extension - £38,404

Install an RSJ - £1,925

Outbuilding - £9,725

Build a Mansard loft conversion - £51,725

Loft conversion - £31,170

Build a kitchen extension - £41,725

Hip to gable loft conversion - £41,725

Granny annexe - £86,725

Garden office - £9,725

Convert a Garage - £15,725

Garage - £18,225

Build a flat roof extension - £21,725

Build a dormer loft conversion - £41,725

Concrete foundations - £5,975

Convert a bungalow loft - £28,725

Convert a basement - £34,404