Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in S66. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...

Comparing extension builders estimates for Loft conversion 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 of a loft conversion in S66 by posting your job to extension builders in S66.
"Dormer Loft conversion" - S66, job posted 01/01/70
"Loft conversion. Semi detached 3 bedroom house. Has loft stairs built in the 90s. Has been used for storage but would like a bedroom and ensuite" - S25, job posted 09/06/23
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Wickersley | £32 | £258 |
| Loft Conversion near Rotherham | £32 | £257 |
| Loft Conversion near Doncaster | £29 | £238 |
| Loft Conversion near Worksop | £33 | £265 |
| Loft Conversion near Sheffield | £32 | £261 |
| Loft Conversion near Dronfield | £33 | £262 |
| Loft Conversion near Bassetlaw | £31 | £243 |
| Loft Conversion near Barnsley | £31 | £242 |
| Loft Conversion near Retford | £31 | £243 |
| Loft Conversion near Chesterfield | £33 | £257 |
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 - £17,472

Two storey extension - £87,958

Build a timber frame extension - £25,972

Build a swimming pool - £80,972

Single storey extension - £54,440

Side return extension - £41,185

Install an RSJ - £2,172

Outbuilding - £9,972

Build a Mansard loft conversion - £51,972

Loft conversion - £33,488

Build a kitchen extension - £41,972

Hip to gable loft conversion - £41,972

Granny annexe - £86,972

Garden office - £9,972

Convert a Garage - £15,972

Garage - £18,472

Build a flat roof extension - £21,972

Build a dormer loft conversion - £41,972

Concrete foundations - £6,222

Convert a bungalow loft - £28,972

Convert a basement - £37,185