JDS Building Services is an established extension buildering business in CO7. We come highly recommended and provide competitive quotes for your wo...
T F Builders are here to help customers who need an Extension Builder in CO7. We offer a competitive rate to complete all your extension buildering...
Trusted and professional extension builder in CO7. Experienced in all extension buildering work and keeping within budget and on quote. CHAPEL BUIL...
From £32,250
Adam
Having been established for over 10 years, we have accumulated a vast amount of local experience in all aspects of domestic renovation projects.We ...
From £30,975
John O Connell Building Solutions is an established extension buildering business in CO7. We come highly recommended and provide competitive quotes...

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 CO7 by posting your job to extension builders in CO7.
"Loft convertion in semi detach house use for bed room and bath" - COLCHESTER, job posted 01/01/70
"Loft conversion without any extension to the roof, windows to the roof, space for bedroom with open plan walk in shower and toilet" - COLCHESTER, job posted 02/08/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Tendring | £31 | £226 |
| Loft Conversion near Colchester | £34 | £232 |
| Loft Conversion near Clacton-on-Sea | £31 | £230 |
| Loft Conversion near Harwich | £34 | £248 |
| Loft Conversion near Ipswich | £33 | £235 |
| Loft Conversion near Felixstowe | £31 | £231 |
| Loft Conversion near Maldon | £36 | £244 |
| Loft Conversion near Witham | £36 | £240 |
| Loft Conversion near Sudbury | £34 | £229 |
| Loft Conversion near Braintree | £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 - £17,191

Two storey extension - £87,537

Build a timber frame extension - £25,691

Build a swimming pool - £80,691

Single storey extension - £48,824

Side return extension - £38,026

Install an RSJ - £1,891

Outbuilding - £9,691

Build a Mansard loft conversion - £51,691

Loft conversion - £30,855

Build a kitchen extension - £41,691

Hip to gable loft conversion - £41,691

Granny annexe - £86,691

Garden office - £9,691

Convert a Garage - £15,691

Garage - £18,191

Build a flat roof extension - £21,691

Build a dormer loft conversion - £41,691

Concrete foundations - £5,941

Convert a bungalow loft - £28,691

Convert a basement - £34,026