From £43,890
We strive for quality for our clients. With over 37 years experience in the building industry we can offer a full service for our clients including...
From £40,560
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,360
Experienced extension builder ready to quote for your work. SWANEY CONSTRUCTION LTD is the best extension builder in MK45. No obligation free quote...
From £43,710
Blue Conker are dedicated to creating spaces for you to enjoy living. From the planning stages through to the finishing touches, our team of profes...

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 MK45 by posting a job with HaMuch and we will send it to extension builders in MK45.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Ampthill | £38 | £258 |
| Convert A Basement near Mid Bedfordshire | £42 | £276 |
| Convert A Basement near Kempston | £44 | £273 |
| Convert A Basement near South Bedfordshire | £45 | £278 |
| Convert A Basement near Bedford | £45 | £278 |
| Convert A Basement near Biggleswade | £41 | £268 |
| Convert A Basement near Luton | £42 | £279 |
| Convert A Basement near Dunstable | £41 | £274 |
| Convert A Basement near Letchworth | £44 | £283 |
| Convert A Basement near Bletchley | £39 | £265 |
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 - £17,956

Two storey extension - £88,684

Build a timber frame extension - £26,456

Build a swimming pool - £81,456

Single storey extension - £64,120

Side return extension - £46,630

Install an RSJ - £2,656

Outbuilding - £10,456

Build a Mansard loft conversion - £52,456

Loft conversion - £38,025

Build a kitchen extension - £42,456

Hip to gable loft conversion - £42,456

Granny annexe - £87,456

Garden office - £10,456

Convert a Garage - £16,456

Garage - £18,956

Build a flat roof extension - £22,456

Build a dormer loft conversion - £42,456

Concrete foundations - £6,706

Convert a bungalow loft - £29,456

Convert a basement - £42,630