From £86,856
From Grandfather to Grandson, we have a combined experience of over 40 years within the construction industry providing a wide range of building se...
From £86,976
Greyline Interiors is a family run home refurbishment business with an eye for the latest trends and traditional values.We strive for quality, valu...
From £87,072
Ace Garage Doors is an established extension buildering business in CO14. We come highly recommended and provide competitive quotes for your work.<...
From £86,552
Qualified stonerestorer 35years experience own public liability insurance.
Worked on numerous listedbuilding through out &nb...
From £87,144
Edwin Lewis Dickinson is a well established company providing all of its customers with the very highest quality of workmanship using only the best...
From £86,928
Our company is built on trust and communication with our clients.We are of firm belief that our customers needs are of the utmost importance.
From £86,848
Experienced extension builder ready to quote for your work. Total Renovations is the best extension builder in CO14. No obligation free quotes and ...
From £86,904
SPONG BUILDERS & CONTRACTORS is a trusted extension builder serving customers in CO14 and the surrounding area. Contact us to today to get a compet...
From £86,720
Need an Extension Builder in CO14? S & A Building & Landscapes Service has been helping local clients (20 mile radius) with their extension builder...
From £86,816
M & C CONSTRUCTION is an established extension buildering business in CO14. We come highly recommended and provide competitive quotes for your work...

Building a granny annexe ranges from £86,552 (T.S Stone Restoration based in CO16) to £87,144 (Edwin Lewis Dickinson Ltd based in CO12), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in CO14 by posting a job with HaMuch. We will send it to extension builders in CO14 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Harwich | £34 | £248 |
| Granny Annexe near Clacton-on-Sea | £31 | £232 |
| Granny Annexe near Tendring | £31 | £226 |
| Granny Annexe near Felixstowe | £31 | £231 |
| Granny Annexe near Ipswich | £33 | £235 |
| Granny Annexe near Colchester | £33 | £230 |
| Granny Annexe near Suffolk Coastal | £28 | £215 |
| Granny Annexe near Maldon | £36 | £244 |
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Witham | £36 | £240 |
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 - £17,382

Two storey extension - £87,822

Build a timber frame extension - £25,882

Build a swimming pool - £80,882

Single storey extension - £52,632

Side return extension - £40,168

Install an RSJ - £2,082

Outbuilding - £9,882

Build a Mansard loft conversion - £51,882

Loft conversion - £32,640

Build a kitchen extension - £41,882

Hip to gable loft conversion - £41,882

Granny annexe - £86,882

Garden office - £9,882

Convert a Garage - £15,882

Garage - £18,382

Build a flat roof extension - £21,882

Build a dormer loft conversion - £41,882

Concrete foundations - £6,132

Convert a bungalow loft - £28,882

Convert a basement - £36,168