Daniel Fermor
Universal Property Services Ltd is an established and experienced local extension builder in CO15. Please contact us for a free, no obligation quot...
Trusted and professional extension builder in CO15. Experienced in all extension buildering work and keeping within budget and on quote. CHAPEL BUI...
Relax... you have found a reliable extension builder in CO15. Mikra Services is a friendly and reliable company based in CO15 who consider no job a...
Need an Extension Builder in CO15? S & A Building & Landscapes Service has been helping local clients (20 mile radius) with their extension builder...
Malcolm Law
M & C CONSTRUCTION is an established extension buildering business in CO15. We come highly recommended and provide competitive quotes for your work...
AAV CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in CO15. We offer a competitive rate to complete all your extensi...
JDS Building Services is an established extension buildering business in CO15. We come highly recommended and provide competitive quotes for your w...
ALPHA BUILDING COMPANY LTD are here to help customers who need an Extension Builder in CO15. We offer a competitive rate to complete all your exten...
SPONG BUILDERS & CONTRACTORS is a trusted extension builder serving customers in CO15 and the surrounding area. Contact us to today to get a compet...

A flat roof extension ranges from the cheapest of £21,480 (JLP CAPENTRY & CONSTRUCTION based in CO3) to the dearest of £22,968 (Universal Property Services Ltd based in IP1), 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 CO15 by posting a job with HaMuch. We'll send it to extension builders in CO15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Clacton-on-Sea | £31 | £230 |
| Build A Flat Roof Extension near Tendring | £31 | £226 |
| Build A Flat Roof Extension near Harwich | £34 | £248 |
| Build A Flat Roof Extension near Colchester | £34 | £232 |
| Build A Flat Roof Extension near Felixstowe | £31 | £231 |
| Build A Flat Roof Extension near Ipswich | £33 | £235 |
| Build A Flat Roof Extension near Maldon | £36 | £244 |
| Build A Flat Roof Extension near Witham | £36 | £240 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Southend-on-Sea | £37 | £247 |
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 - £17,412

Two storey extension - £87,868

Build a timber frame extension - £25,912

Build a swimming pool - £80,912

Single storey extension - £53,240

Side return extension - £40,510

Install an RSJ - £2,112

Outbuilding - £9,912

Build a Mansard loft conversion - £51,912

Loft conversion - £32,925

Build a kitchen extension - £41,912

Hip to gable loft conversion - £41,912

Granny annexe - £86,912

Garden office - £9,912

Convert a Garage - £15,912

Garage - £18,412

Build a flat roof extension - £21,912

Build a dormer loft conversion - £41,912

Concrete foundations - £6,162

Convert a bungalow loft - £28,912

Convert a basement - £36,510