Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Heap, BL9
SMH Build & Renovate is an established extension buildering business in Heap. We come highly recommended and provide competitive quotes for your wo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Terry Howlett
We are a local building company who specialises in keeping our customers happy we are reliable friendly. We carry out all types of building wo...
H.B.S is an established extension buildering business in Heap. We come highly recommended and provide competitive quotes for your work.
Amak Construction is an established and experienced local extension builder in Heap. Please contact us for a free, no obligation quote and competit...
Need an Extension Builder in Heap? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
Need an Extension Builder in Heap? G Wardley Building & Repairs has been helping local clients (20 mile radius) with their extension buildering job...
Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in Heap. No obligation free q...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...

A flat roof extension ranges from the cheapest of £20,960 (Aquatec Builder based in OL10) to the dearest of £22,048 (Northern Garage Conversion based in OL9), 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 Heap by posting a job with HaMuch. We'll send it to extension builders in Heap.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bury | £30 | £219 |
| Build A Flat Roof Extension near Heywood | £30 | £221 |
| Build A Flat Roof Extension near Radcliffe | £30 | £220 |
| Build A Flat Roof Extension near Whitefield | £31 | £229 |
| Build A Flat Roof Extension near Prestwich | £31 | £233 |
| Build A Flat Roof Extension near Middleton | £31 | £227 |
| Build A Flat Roof Extension near Rochdale | £30 | £221 |
| Build A Flat Roof Extension near Farnworth | £30 | £219 |
| Build A Flat Roof Extension near Swinton | £32 | £234 |
| Build A Flat Roof Extension near Bolton | £31 | £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 - £17,215

Two storey extension - £87,573

Build a timber frame extension - £25,715

Build a swimming pool - £80,715

Single storey extension - £49,304

Side return extension - £38,296

Install an RSJ - £1,915

Outbuilding - £9,715

Build a Mansard loft conversion - £51,715

Loft conversion - £31,080

Build a kitchen extension - £41,715

Hip to gable loft conversion - £41,715

Granny annexe - £86,715

Garden office - £9,715

Convert a Garage - £15,715

Garage - £18,215

Build a flat roof extension - £21,715

Build a dormer loft conversion - £41,715

Concrete foundations - £5,965

Convert a bungalow loft - £28,715

Convert a basement - £34,296