From £17,708
We are specialist in All aspects of Masonry & General Building Works. We also offer a Design and Build service to suit your requirements.At Burton ...
From £17,548
Trusted and professional extension builder in Helland. Experienced in all extension buildering work and keeping within budget and on quote. Bushen ...
From £17,588
Helland, PL30
Need an Extension Builder in Helland? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £17,380
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,684
Relax... you have found a reliable extension builder in Helland. mav building services is a friendly and reliable company based in Helland who cons...
From £17,348
Experienced extension builder ready to quote for your work. MLM Contractors Limited is the best extension builder in Helland. No obligation free qu...
From £17,652
F & B BUILDERS is an established extension buildering business in Helland. We come highly recommended and provide competitive quotes for your work....
From £17,468
Established by Shawn Mcilroy in 1987. As main contractors we have a history of working on stunning residential restorations and bespoke new build ...
From £17,564
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,644
Relax... you have found a reliable extension builder in Helland. Daniel Job Building & Roofing Contractor Ltd is a friendly and reliable company ba...

Underpinning ranges from £17,348 (MLM Contractors Limited based in PL27) to £17,708 (Burton Construction based in PL31), 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 Helland by posting a job with HaMuch and we will send it to extension builders in Helland.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near St Austell | £38 | £245 |
| Underpin A Building near Newquay | £32 | £230 |
| Underpin A Building near Truro | £31 | £206 |
| Underpin A Building near Plymouth | £30 | £230 |
| Underpin A Building near Falmouth | £33 | £220 |
| Underpin A Building near Camborne | £28 | £196 |
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 - £17,558

Two storey extension - £88,088

Build a timber frame extension - £26,058

Build a swimming pool - £81,058

Single storey extension - £56,168

Side return extension - £42,157

Install an RSJ - £2,258

Outbuilding - £10,058

Build a Mansard loft conversion - £52,058

Loft conversion - £34,298

Build a kitchen extension - £42,058

Hip to gable loft conversion - £42,058

Granny annexe - £87,058

Garden office - £10,058

Convert a Garage - £16,058

Garage - £18,558

Build a flat roof extension - £22,058

Build a dormer loft conversion - £42,058

Concrete foundations - £6,308

Convert a bungalow loft - £29,058

Convert a basement - £38,157