From £44,970
Joe Rendell
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £40,200
Harmony contractor's is an established and experienced local extension builder in TN27. Please contact us for a free, no obligation quote and compe...

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 TN27 by posting a job with HaMuch and we will send it to extension builders in TN27.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Ashford | £36 | £256 |
| Convert A Basement near Maidstone | £40 | £255 |
| Convert A Basement near Swale | £35 | £241 |
| Convert A Basement near Sittingbourne | £35 | £246 |
| Convert A Basement near Faversham | £34 | £235 |
| Convert A Basement near Larkfield | £41 | £253 |
| Convert A Basement near Gillingham | £39 | £253 |
| Convert A Basement near Chatham | £39 | £254 |
| Convert A Basement near Rochester | £39 | £254 |
| Convert A Basement near Hythe | £31 | £228 |
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 - £17,952

Two storey extension - £88,678

Build a timber frame extension - £26,452

Build a swimming pool - £81,452

Single storey extension - £64,040

Side return extension - £46,585

Install an RSJ - £2,652

Outbuilding - £10,452

Build a Mansard loft conversion - £52,452

Loft conversion - £37,988

Build a kitchen extension - £42,452

Hip to gable loft conversion - £42,452

Granny annexe - £87,452

Garden office - £10,452

Convert a Garage - £16,452

Garage - £18,952

Build a flat roof extension - £22,452

Build a dormer loft conversion - £42,452

Concrete foundations - £6,702

Convert a bungalow loft - £29,452

Convert a basement - £42,585