From £42,990
Need an Extension Builder in North Hertfordshire? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension ...
From £39,840
Need an Extension Builder in North Hertfordshire? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extensi...
From £38,940
Draincall Services Ltd is a trusted extension builder serving customers in North Hertfordshire and the surrounding area. Contact us to today to get...
From £39,390
Need an Extension Builder in North Hertfordshire? Gilbert & Gregson Construction Ltd has been helping local clients (20 mile radius) with their ext...
From £41,100
Totalworth Building Services is an established extension buildering business in North Hertfordshire. We come highly recommended and provide competi...
From £39,390
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,090
M P BUILDING LIMITED is an established and experienced local extension builder in North Hertfordshire. Please contact us for a free, no obligation ...
From £40,110
We are a local roofing company offering a complete roofing service.We provide one of the most cost effective, reliable roofing services in and ...
From £34,170
Need an Extension Builder in North Hertfordshire? L P L Property Services Limited has been helping local clients (20 mile radius) with their extens...
From £39,300
Experienced extension builder ready to quote for your work. Precision Roofing & Building Maintenance is the best extension builder in North Hertfor...

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 North Hertfordshire by posting a job with HaMuch and we will send it to extension builders in North Hertfordshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near North Hertfordshire | £44 | £283 |
| Convert A Basement near Letchworth | £44 | £283 |
| Convert A Basement near Hitchin | £43 | £283 |
| Convert A Basement near Stevenage | £44 | £282 |
| Convert A Basement near East Hertfordshire | £44 | £289 |
| Convert A Basement near Biggleswade | £41 | £268 |
| Convert A Basement near Luton | £41 | £278 |
| Convert A Basement near Mid Bedfordshire | £42 | £276 |
| Convert A Basement near Welwyn Garden City | £42 | £268 |
| Convert A Basement near Harpenden | £86 | £315 |
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 - £17,698

Two storey extension - £88,298

Build a timber frame extension - £26,198

Build a swimming pool - £81,198

Single storey extension - £58,968

Side return extension - £43,732

Install an RSJ - £2,398

Outbuilding - £10,198

Build a Mansard loft conversion - £52,198

Loft conversion - £35,610

Build a kitchen extension - £42,198

Hip to gable loft conversion - £42,198

Granny annexe - £87,198

Garden office - £10,198

Convert a Garage - £16,198

Garage - £18,698

Build a flat roof extension - £22,198

Build a dormer loft conversion - £42,198

Concrete foundations - £6,448

Convert a bungalow loft - £29,198

Convert a basement - £39,732