From £17,580
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...
From £17,444
Top Form Construction are here to help customers who need an Extension Builder in ME5. We offer a competitive rate to complete all your extension b...
From £17,420
DG Building Services Kent Limited is an established and experienced local extension builder in ME5. Please contact us for a free, no obligation quo...
From £17,700
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,364
G J Roofing Services is an established and experienced local extension builder in ME5. Please contact us for a free, no obligation quote and compet...
From £17,460
M K Builders Medway Ltd is an established extension buildering business in ME5. We come highly recommended and provide competitive quotes for your ...
From £17,476
Freeman V & Co are here to help customers who need an Extension Builder in ME5. We offer a competitive rate to complete all your extension builderi...
From £17,276
Relax... you have found a reliable extension builder in ME5. Carey Property Development Ltd is a friendly and reliable company based in ME5 who con...
From £17,404
Zeppelin Construction Ltd is a construction company based in Gillingham, Kent. We offer a wide range of construction services to both domestic and ...

Underpinning ranges from £17,276 (Carey Property Development Ltd based in ME1) to £17,924 (Des Durant General Building based in ME5), 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 ME5 by posting a job with HaMuch and we will send it to extension builders in ME5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Rochester | £34 | £220 |
| Underpin A Building near Chatham | £34 | £220 |
| Underpin A Building near Gillingham | £34 | £219 |
| Underpin A Building near Larkfield | £36 | £224 |
| Underpin A Building near Maidstone | £36 | £226 |
| Underpin A Building near Gravesend | £35 | £227 |
| Underpin A Building near Sittingbourne | £31 | £217 |
| Underpin A Building near Northfleet | £35 | £227 |
| Underpin A Building near Canvey Island | £34 | £224 |
| Underpin A Building near Stanford-le-Hope | £35 | £222 |
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 - £17,505

Two storey extension - £88,007

Build a timber frame extension - £26,005

Build a swimming pool - £81,005

Single storey extension - £55,096

Side return extension - £41,554

Install an RSJ - £2,205

Outbuilding - £10,005

Build a Mansard loft conversion - £52,005

Loft conversion - £33,795

Build a kitchen extension - £42,005

Hip to gable loft conversion - £42,005

Granny annexe - £87,005

Garden office - £10,005

Convert a Garage - £16,005

Garage - £18,505

Build a flat roof extension - £22,005

Build a dormer loft conversion - £42,005

Concrete foundations - £6,255

Convert a bungalow loft - £29,005

Convert a basement - £37,554