From £17,452
Experienced extension builder ready to quote for your work. COMPLETE BUILDING SERVICES LTD is the best extension builder in Sidmouth. No obligation...
From £16,972
Been installing fascia soffits for over twenty years i profide a very good service
From £16,988
GJP BUILDING CONTRACTORS is an established extension buildering business in Sidmouth. We come highly recommended and provide competitive quotes for...
From £17,412
Need an Extension Builder in Sidmouth? KPM GROUNDWORKS & CONSTRUCTION has been helping local clients (20 mile radius) with their extension builderi...
From £17,364
Need to find an Extension Builder near you for all your extension buildering work?
Axminster Design and Build Limited provides a local, tru...
From £17,564
Karesa Developments Ltd is a trusted extension builder serving customers in Sidmouth and the surrounding area. Contact us to today to get a competi...
From £17,220
Relax... you have found a reliable extension builder in Sidmouth. Chris Field General Builder is a friendly and reliable company based in Sidmouth ...
From £16,812
I have been in business for 20years. I like to do a good job. The area covered is mainly mid Devon, I will travel to other areas if required.
From £17,484
Need an Extension Builder in Sidmouth? Griffiths Construction has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,476
Blake Services is a trusted extension builder serving customers in Sidmouth and the surrounding area. Contact us to today to get a competitive quot...

Underpinning ranges from £16,812 (JOHN WATTS PROPERTY MAINTENANCE based in EX16) to £17,564 (Karesa Developments Ltd based in TA21), 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 Sidmouth by posting a job with HaMuch and we will send it to extension builders in Sidmouth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near East Devon | £27 | £221 |
| Underpin A Building near Exmouth | £24 | £210 |
| Underpin A Building near Exeter | £27 | £221 |
| Underpin A Building near Teignbridge | £27 | £260 |
| Underpin A Building near Tiverton | £25 | £202 |
| Underpin A Building near Torquay | £28 | £223 |
| Underpin A Building near Newton Abbot | £27 | £236 |
| Underpin A Building near Torbay | £27 | £223 |
| Underpin A Building near Paignton | £27 | £222 |
| Underpin A Building near Taunton | £31 | £242 |
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 - £17,274

Two storey extension - £87,662

Build a timber frame extension - £25,774

Build a swimming pool - £80,774

Single storey extension - £50,488

Side return extension - £38,962

Install an RSJ - £1,974

Outbuilding - £9,774

Build a Mansard loft conversion - £51,774

Loft conversion - £31,635

Build a kitchen extension - £41,774

Hip to gable loft conversion - £41,774

Granny annexe - £86,774

Garden office - £9,774

Convert a Garage - £15,774

Garage - £18,274

Build a flat roof extension - £21,774

Build a dormer loft conversion - £41,774

Concrete foundations - £6,024

Convert a bungalow loft - £28,774

Convert a basement - £34,962