Devscapes is an established extension buildering business in PO11. We come highly recommended and provide competitive quotes for your work.
Experienced extension builder ready to quote for your work. Portsmouth Building Repairs is the best extension builder in PO11. No obligation free q...
Need to find an Extension Builder near you for all your extension buildering work?
R And S Building provides a local, trusted extension bui...
Relax... you have found a reliable extension builder in PO11. ROWLANDS CONSTRUCTION is a friendly and reliable company based in PO11 who consider n...
From £33,750
Experienced extension builder ready to quote for your work. Pompey Homes Ltd is the best extension builder in PO11. No obligation free quotes and m...
From £33,000
Need an Extension Builder in PO11? Aspen Garden Rooms has been helping local clients (20 mile radius) with their extension buildering jobs for many...

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 PO11 by posting your job to extension builders in PO11.
"Loft conversion" - HAVANT & WATERLOO, job posted 11/02/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Havant & Waterloo | £35 | £248 |
| Loft Conversion near Havant | £35 | £249 |
| Loft Conversion near Portsmouth | £36 | £250 |
| Loft Conversion near Waterlooville | £36 | £250 |
| Loft Conversion near Gosport | £35 | £246 |
| Loft Conversion near Horndean | £36 | £254 |
| Loft Conversion near Chichester | £34 | £242 |
| Loft Conversion near Ryde | £34 | £255 |
| Loft Conversion near Lee-on-the-Solent | £35 | £249 |
| Loft Conversion near Fareham | £35 | £250 |
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 - £17,479

Two storey extension - £87,968

Build a timber frame extension - £25,979

Build a swimming pool - £80,979

Single storey extension - £54,573

Side return extension - £41,260

Install an RSJ - £2,179

Outbuilding - £9,979

Build a Mansard loft conversion - £51,979

Loft conversion - £33,550

Build a kitchen extension - £41,979

Hip to gable loft conversion - £41,979

Granny annexe - £86,979

Garden office - £9,979

Convert a Garage - £15,979

Garage - £18,479

Build a flat roof extension - £21,979

Build a dormer loft conversion - £41,979

Concrete foundations - £6,229

Convert a bungalow loft - £28,979

Convert a basement - £37,260