Mickey Woolfe
Need to find an Extension Builder near you for all your extension buildering work?
M Woolfe Builders & Carpenters provides a local, trusted...
Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in Highfields. Please contact us for a free, no ob...
Relax... you have found a reliable extension builder in Highfields. CROWNBUILD is a friendly and reliable company based in Highfields who consider ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
Need to find an Extension Builder near you for all your extension buildering work?
Louise Swarbrick Design provides a local, trusted extens...
From £17,748
J & N Contracts Cambs Ltd is an established and experienced local extension builder in Highfields. Please contact us for a free, no obligation quot...
From £17,716
M OLIVER BUILDING is an established and experienced local extension builder in Highfields. Please contact us for a free, no obligation quote and co...
From £17,668
James Burch
Based in Cambridgeshire James Burch Roofing specialises in flat roofing in felt and single ply membranes. For the past 10 years we have worked thro...
From £17,772
Highfields, CB23
Trusted and professional extension builder in Highfields. Experienced in all extension buildering work and keeping within budget and on quote. IJC ...

Underpinning ranges from £17,420 (Inspire Carpentry and Construction Ltd based in CB24) to £17,908 (Louise Swarbrick Design based in CB3), 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 Highfields by posting a job with HaMuch and we will send it to extension builders in Highfields.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Cambridgeshire | £43 | £305 |
| Underpin A Building near Cambridge | £38 | £271 |
| Underpin A Building near St Neots | £51 | £318 |
| Underpin A Building near Huntingdon | £38 | £284 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near Huntingdonshire | £36 | £290 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Letchworth | £44 | £283 |
| Underpin A Building near North Hertfordshire | £44 | £283 |
| Underpin A Building near South Bedfordshire | £45 | £278 |
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 - £17,725

Two storey extension - £88,337

Build a timber frame extension - £26,225

Build a swimming pool - £81,225

Single storey extension - £59,496

Side return extension - £44,029

Install an RSJ - £2,425

Outbuilding - £10,225

Build a Mansard loft conversion - £52,225

Loft conversion - £35,858

Build a kitchen extension - £42,225

Hip to gable loft conversion - £42,225

Granny annexe - £87,225

Garden office - £10,225

Convert a Garage - £16,225

Garage - £18,725

Build a flat roof extension - £22,225

Build a dormer loft conversion - £42,225

Concrete foundations - £6,475

Convert a bungalow loft - £29,225

Convert a basement - £40,029