From £17,236
Experienced extension builder ready to quote for your work. Tim Lewry T L Construction is the best extension builder in TQ4. No obligation free quo...
From £17,132
Need to find an Extension Builder near you for all your extension buildering work?
Emphatic Attics provides a local, trusted extension buil...
From £17,396
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,084
Need to find an Extension Builder near you for all your extension buildering work?
Mann Building & Damp Proofing provides a local, trusted ...
From £17,412
Pride & Joy Construction is an established extension buildering business in TQ4. We come highly recommended and provide competitive quotes for your...
From £17,444
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,228
SD CONSTRUCTION LTD is a trusted extension builder serving customers in TQ4 and the surrounding area. Contact us to today to get a competitive quot...
From £17,396
Bay Plumbing and Heating is an established extension buildering business in TQ4. We come highly recommended and provide competitive quotes for your...
From £17,316
Need an Extension Builder in TQ4? PWD Building & Roofing has been helping local clients (20 mile radius) with their extension buildering jobs for m...

Underpinning ranges from £17,084 (Mann Building & Damp Proofing based in TQ3) to £17,724 (VINCE CHALK based in TQ2), 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 TQ4 by posting a job with HaMuch and we will send it to extension builders in TQ4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Paignton | £27 | £222 |
| Underpin A Building near Torbay | £27 | £223 |
| Underpin A Building near Torquay | £28 | £223 |
| Underpin A Building near Newton Abbot | £27 | £236 |
| Underpin A Building near Teignbridge | £27 | £260 |
| Underpin A Building near Exmouth | £24 | £210 |
| Underpin A Building near Exeter | £27 | £221 |
| Underpin A Building near Plymouth | £30 | £230 |
| Underpin A Building near East Devon | £27 | £221 |
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 - £17,337

Two storey extension - £87,755

Build a timber frame extension - £25,837

Build a swimming pool - £80,837

Single storey extension - £51,736

Side return extension - £39,664

Install an RSJ - £2,037

Outbuilding - £9,837

Build a Mansard loft conversion - £51,837

Loft conversion - £32,220

Build a kitchen extension - £41,837

Hip to gable loft conversion - £41,837

Granny annexe - £86,837

Garden office - £9,837

Convert a Garage - £15,837

Garage - £18,337

Build a flat roof extension - £21,837

Build a dormer loft conversion - £41,837

Concrete foundations - £6,087

Convert a bungalow loft - £28,837

Convert a basement - £35,664