From £9,848
Experienced extension builder ready to quote for your work. Total Renovations is the best extension builder in CO15. No obligation free quotes and ...
From £9,784
SJ Price Brickwork is a trusted extension builder serving customers in CO15 and the surrounding area. Contact us to today to get a competitive quot...
From £9,616
Tendring Building Services Limited is an established extension buildering business in CO15. We come highly recommended and provide competitive quot...
From £10,032
Kontor Construction Ltd are here to help customers who need an Extension Builder in CO15. We offer a competitive rate to complete all your extensio...
From £9,720
Need an Extension Builder in CO15? S & A Building & Landscapes Service has been helping local clients (20 mile radius) with their extension builder...
From £10,072
Ace Garage Doors is an established extension buildering business in CO15. We come highly recommended and provide competitive quotes for your work.<...
From £9,816
M & C CONSTRUCTION is an established extension buildering business in CO15. We come highly recommended and provide competitive quotes for your work...
From £10,040
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...
From £9,904
SPONG BUILDERS & CONTRACTORS is a trusted extension builder serving customers in CO15 and the surrounding area. Contact us to today to get a compet...
From £9,976
Greyline Interiors is a family run home refurbishment business with an eye for the latest trends and traditional values.We strive for quality, valu...

Outbuilding costs in CO15 range from the cheapest of £9,616 (Tendring Building Services Limited based in CO15) to the dearest of £10,072 (Ace Garage Doors based in CO15), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in CO15 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Clacton-on-Sea | £31 | £232 |
| Outbuilding near Tendring | £31 | £226 |
| Outbuilding near Harwich | £34 | £248 |
| Outbuilding near Colchester | £33 | £230 |
| Outbuilding near Felixstowe | £31 | £231 |
| Outbuilding near Ipswich | £33 | £235 |
| Outbuilding near Maldon | £36 | £244 |
| Outbuilding near Witham | £36 | £240 |
| Outbuilding near Sudbury | £34 | £229 |
| Outbuilding near Southend-on-Sea | £38 | £248 |
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 - £17,381

Two storey extension - £87,821

Build a timber frame extension - £25,881

Build a swimming pool - £80,881

Single storey extension - £52,616

Side return extension - £40,159

Install an RSJ - £2,081

Outbuilding - £9,881

Build a Mansard loft conversion - £51,881

Loft conversion - £32,633

Build a kitchen extension - £41,881

Hip to gable loft conversion - £41,881

Granny annexe - £86,881

Garden office - £9,881

Convert a Garage - £15,881

Garage - £18,381

Build a flat roof extension - £21,881

Build a dormer loft conversion - £41,881

Concrete foundations - £6,131

Convert a bungalow loft - £28,881

Convert a basement - £36,159