From £17,732
Our building services company Headline Construction Ltd have twenty years experience and have been helping customers in Berkhamstead, Milton Keynes...
From £17,788
Berkhamsted, HP4
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,956
Berkhamsted, HP4
Need an Extension Builder in Berkhamsted? COWMAN CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,868
I GIBBS BUILDING SERVICES is an established extension buildering business in Berkhamsted. We come highly recommended and provide competitive quotes...
From £17,724
Grand Developments and Construction Ltd are here to help customers who need an Extension Builder in Berkhamsted. We offer a competitive rate to com...
From £17,916
Relax... you have found a reliable extension builder in Berkhamsted. GURNEY CONSTRUCTION is a friendly and reliable company based in Berkhamsted wh...
From £17,524
Trusted and professional extension builder in Berkhamsted. Experienced in all extension buildering work and keeping within budget and on quote. ALE...
From £15,604
Hertfordshire brickwork is the realisation of quality and great customer service at its very best i myself the director of Hertfordshire bric...
From £17,444
Relax... you have found a reliable extension builder in Berkhamsted. Ellis Construction is a friendly and reliable company based in Berkhamsted who...
From £17,540
BARRETT LESLIE BUILDING are here to help customers who need an Extension Builder in Berkhamsted. We offer a competitive rate to complete all your e...

Underpinning ranges from £15,604 (Hertfordshire brickwork based in Hp1) to £17,956 (COWMAN CONSTRUCTION based in HP4), 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 Berkhamsted by posting a job with HaMuch and we will send it to extension builders in Berkhamsted.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Berkhamsted | £41 | £263 |
| Underpin A Building near Dacorum | £42 | £269 |
| Underpin A Building near Hemel Hempstead | £42 | £270 |
| Underpin A Building near Chesham | £42 | £277 |
| Underpin A Building near Dunstable | £41 | £270 |
| Underpin A Building near Rickmansworth | £42 | £278 |
| Underpin A Building near St Albans | £63 | £288 |
| Underpin A Building near Harpenden | £86 | £315 |
| Underpin A Building near Hazlemere | £40 | £272 |
| Underpin A Building near Luton | £42 | £276 |
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 - £17,510

Two storey extension - £88,014

Build a timber frame extension - £26,010

Build a swimming pool - £81,010

Single storey extension - £55,192

Side return extension - £41,608

Install an RSJ - £2,210

Outbuilding - £10,010

Build a Mansard loft conversion - £52,010

Loft conversion - £33,840

Build a kitchen extension - £42,010

Hip to gable loft conversion - £42,010

Granny annexe - £87,010

Garden office - £10,010

Convert a Garage - £16,010

Garage - £18,510

Build a flat roof extension - £22,010

Build a dormer loft conversion - £42,010

Concrete foundations - £6,260

Convert a bungalow loft - £29,010

Convert a basement - £37,608