From £17,460
Rapid Bee Ltd is an established extension buildering business in Grove Park. We come highly recommended and provide competitive quotes for your wor...
From £17,380
Need to find an Extension Builder near you for all your extension buildering work?
QUAYSTONE CONSTRUCTION LIMITED provides a local, trusted...
From £17,636
Need to find an Extension Builder near you for all your extension buildering work?
Hartigans Construction provides a local, trusted extensi...
From £17,804
Relax... you have found a reliable extension builder in Grove Park. GREENWICH CONSTRUCTION is a friendly and reliable company based in Grove Park w...
From £17,572
Need to find an Extension Builder near you for all your extension buildering work?
JEM BUILDING CONTRACTORS LTD provides a local, trusted e...
From £17,460
Color Revolution Ltd serving clients in London and surrounding areas providing highest standard renovation services for domestic clients.We are bu...
From £17,772
Based in south east London and with over 30 years of experience in the construction sector, we offer a range of services including interior and ext...
From £17,900
Need an Extension Builder in Grove Park? H2 Construction Ltd has been helping local clients (5 mile radius) with their extension buildering jobs fo...
From £17,436
RLD Contractors Ltd is an established and experienced local extension builder in Grove Park. Please contact us for a free, no obligation quote and ...
From £17,116
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in Grove Park. No obligation free quotes and...

Underpinning ranges from £17,116 (Jmc buildets based in SE9) to £17,900 (H2 Construction Ltd based in SE9), 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 Grove Park by posting a job with HaMuch and we will send it to extension builders in Grove Park.
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 - £17,554

Two storey extension - £88,080

Build a timber frame extension - £26,054

Build a swimming pool - £81,054

Single storey extension - £56,072

Side return extension - £42,103

Install an RSJ - £2,254

Outbuilding - £10,054

Build a Mansard loft conversion - £52,054

Loft conversion - £34,253

Build a kitchen extension - £42,054

Hip to gable loft conversion - £42,054

Granny annexe - £87,054

Garden office - £10,054

Convert a Garage - £16,054

Garage - £18,554

Build a flat roof extension - £22,054

Build a dormer loft conversion - £42,054

Concrete foundations - £6,304

Convert a bungalow loft - £29,054

Convert a basement - £38,103