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Karl Builder
Hi we are a building company that have been working in the swindon area for many years we also work as far as bristol We do loft conversion. ...
Ash Brice
APB provides a range of building services, including carpentry, plastering and decorating but specializing in stone, brick and tile. If you ne...
From £22,520
Craig Gray
Gray's Facilities and Maintenance Services Ltd is a trusted extension builder serving customers in Alresford and the surrounding area. Contact us t...
From £22,128
J White Developments is an established extension buildering business in Alresford. We come highly recommended and provide competitive quotes for yo...

A flat roof extension ranges from the cheapest of £22,128 (J White Developments based in SO23) to the dearest of £22,800 (Boss based in SO23), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Alresford by posting a job with HaMuch. We'll send it to extension builders in Alresford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Winchester | £39 | £283 |
| Build A Flat Roof Extension near East Hampshire | £38 | £258 |
| Build A Flat Roof Extension near Chandler's Ford | £34 | £245 |
| Build A Flat Roof Extension near Eastleigh | £34 | £244 |
| Build A Flat Roof Extension near Basingstoke | £39 | £274 |
| Build A Flat Roof Extension near Horndean | £36 | £254 |
| Build A Flat Roof Extension near Hedge End | £34 | £244 |
| Build A Flat Roof Extension near Waterlooville | £36 | £250 |
| Build A Flat Roof Extension near Basingstoke & Deane | £39 | £273 |
| Build A Flat Roof Extension 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 - £17,932

Two storey extension - £88,648

Build a timber frame extension - £26,432

Build a swimming pool - £81,432

Single storey extension - £63,640

Side return extension - £46,360

Install an RSJ - £2,632

Outbuilding - £10,432

Build a Mansard loft conversion - £52,432

Loft conversion - £37,800

Build a kitchen extension - £42,432

Hip to gable loft conversion - £42,432

Granny annexe - £87,432

Garden office - £10,432

Convert a Garage - £16,432

Garage - £18,932

Build a flat roof extension - £22,432

Build a dormer loft conversion - £42,432

Concrete foundations - £6,682

Convert a bungalow loft - £29,432

Convert a basement - £42,360