From £35,625
Relax... you have found a reliable extension builder in Alton. RP Superstructures is a friendly and reliable company based in Alton who consider no...
From £35,475
RP Superstructures was formed in 2011 by principals Gerry Budd and Pat Sheehan following the successful build of Gerry’s own house, using his mul...
From £37,875
VR Design Pubs & Co is a trusted extension builder serving customers in Alton and the surrounding area. Contact us to today to get a competitive qu...
From £34,500
Alton, GU34
Need an Extension Builder in Alton? A & J Roofing (Haslemere) Ltd has been helping local clients (20 mile radius) with their extension buildering j...
From £33,450
Need an Extension Builder in Alton? Green Ridge Developments has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £41,550
Experienced extension builder ready to quote for your work. CANADA BUILDERS & ROOFING LTD is the best extension builder in Alton. No obligation fre...
From £34,725
Need to find an Extension Builder near you for all your extension buildering work?
360 CONSTRUCTION SURREY LTD provides a local, trusted ex...
From £36,225
Experienced extension builder ready to quote for your work. Trad Roofing is the best extension builder in Alton. No obligation free quotes and many...
From £33,525
Relax... you have found a reliable extension builder in Alton. Design & Construction Support Ltd is a friendly and reliable company based in Alton ...

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 Alton by posting your job to extension builders in Alton.
"Loft conversion. We have plans drawn up, beam calculations etc. but looking for the right people to undertake our loft conversion. Going from hip-to-gable to gable, with a rear dormer. Please let me know what you require to quote. Many thanks. Damien" - GU34, job posted 12/09/24
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near East Hampshire | £38 | £258 |
| Loft Conversion near Basingstoke | £39 | £274 |
| Loft Conversion near Farnham | £41 | £276 |
| Loft Conversion near Fleet | £41 | £270 |
| Loft Conversion near Aldershot | £41 | £275 |
| Loft Conversion near Waverley | £68 | £313 |
| Loft Conversion near Basingstoke & Deane | £39 | £273 |
| Loft Conversion near Ash Vale | £41 | £277 |
| Loft Conversion near Farnborough | £41 | £273 |
| Loft Conversion near Winchester | £37 | £266 |
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 - £17,712

Two storey extension - £88,318

Build a timber frame extension - £26,212

Build a swimming pool - £81,212

Single storey extension - £59,240

Side return extension - £43,885

Install an RSJ - £2,412

Outbuilding - £10,212

Build a Mansard loft conversion - £52,212

Loft conversion - £35,738

Build a kitchen extension - £42,212

Hip to gable loft conversion - £42,212

Granny annexe - £87,212

Garden office - £10,212

Convert a Garage - £16,212

Garage - £18,712

Build a flat roof extension - £22,212

Build a dormer loft conversion - £42,212

Concrete foundations - £6,462

Convert a bungalow loft - £29,212

Convert a basement - £39,885