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Building Beautiful Homes Since 1980Welcome to Oakwood Construction. Here in the heart of the Midlands, we are more than simply your new home builde...
Benton Builders is an established and experienced local extension builder in Knowle. Please contact us for a free, no obligation quote and competit...
Relax... you have found a reliable extension builder in Knowle. Tucker Construction is a friendly and reliable company based in Knowle who consider...
SM&S General Property Repairs is a trusted extension builder serving customers in Knowle and the surrounding area. Contact us to today to get a com...
Gary Wilson
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
Need to find an Extension Builder near you for all your extension buildering work?
BAKER CONSTRUCTION provides a local, trusted extension b...
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ben Birch
I have been in the building industry for 28 years and have carried out extensions,loft conversions, knock throughs, plastering, carpentry,roofing a...
Relax... you have found a reliable extension builder in Knowle. F.I.I Building Services Ltd is a friendly and reliable company based in Knowle who ...

A flat roof extension ranges from the cheapest of £21,712 (BAKER CONSTRUCTION based in CV5) to the dearest of £23,200 (Oakwood Construction based in CV4), 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 Knowle by posting a job with HaMuch. We'll send it to extension builders in Knowle.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Knowle | £31 | £241 |
| Build A Flat Roof Extension near Solihull | £29 | £231 |
| Build A Flat Roof Extension near Kenilworth | £30 | £229 |
| Build A Flat Roof Extension near Coventry | £29 | £226 |
| Build A Flat Roof Extension near Warwick | £28 | £213 |
| Build A Flat Roof Extension near Birmingham | £29 | £229 |
| Build A Flat Roof Extension near Leamington Spa | £27 | £212 |
| Build A Flat Roof Extension near Sutton Coldfield | £29 | £228 |
| Build A Flat Roof Extension near Smethwick | £29 | £230 |
| Build A Flat Roof Extension near Bedworth | £28 | £219 |
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 - £17,497

Two storey extension - £87,995

Build a timber frame extension - £25,997

Build a swimming pool - £80,997

Single storey extension - £54,936

Side return extension - £41,464

Install an RSJ - £2,197

Outbuilding - £9,997

Build a Mansard loft conversion - £51,997

Loft conversion - £33,720

Build a kitchen extension - £41,997

Hip to gable loft conversion - £41,997

Granny annexe - £86,997

Garden office - £9,997

Convert a Garage - £15,997

Garage - £18,497

Build a flat roof extension - £21,997

Build a dormer loft conversion - £41,997

Concrete foundations - £6,247

Convert a bungalow loft - £28,997

Convert a basement - £37,464