JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in ME18. We offer a competitive rate to complete all your e...
Relax... you have found a reliable extension builder in ME18. ARTBUILD LTD is a friendly and reliable company based in ME18 who consider no job as ...
DAVID WILLIAMSON CONSTRUCTION is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a compe...
From £35,430
John Higgins
Relax... you have found a reliable extension builder in ME18. JOHN HIGGINS BUILDING is a friendly and reliable company based in ME18 who c...
From £37,590
TJ RALPH BUILDINGS SERVICES is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a competi...
From £38,490
We are a family run, specialist loft conversions company who design and build lofts and extensions in the South East and we pride ourselves on prov...
From £36,420
Frisby Building have over 60 years of experience working in the building industry around Kent, specialising in kitchen and bathroom installations a...
From £36,060
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £36,510
Need to find an Extension Builder near you for all your extension buildering work?
Flisher Construction Ltd provides a local, trusted exten...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in ME18 by posting a job with HaMuch and we will send it to extension builders in ME18.
"Basement conversion" - ME15, job posted 09/05/23
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Larkfield | £41 | £253 |
| Convert A Basement near Maidstone | £40 | £255 |
| Convert A Basement near Tonbridge | £38 | £254 |
| Convert A Basement near Rochester | £39 | £254 |
| Convert A Basement near Sevenoaks | £38 | £234 |
| Convert A Basement near Tunbridge Wells | £37 | £258 |
| Convert A Basement near Chatham | £39 | £254 |
| Convert A Basement near Gillingham | £39 | £253 |
| Convert A Basement near Gravesend | £40 | £260 |
| Convert A Basement near Northfleet | £41 | £261 |
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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780