From £86,856
Experienced extension builder ready to quote for your work. Beechwood Building Services is the best extension builder in IP21. No obligation free q...
From £86,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,776
Trusted and professional extension builder in IP21. Experienced in all extension buildering work and keeping within budget and on quote. RD FARROW ...
From £86,640
BARLOW CONSTRUCTION is an established extension buildering business in IP21. We come highly recommended and provide competitive quotes for your wor...
From £87,224
Small extension, to full turn key new house builds, listed building works, renovations. We provide a full comprehensive quotation for all your need...
From £86,728
TEMPLE & HICKS BUILDERS is a trusted extension builder serving customers in IP21 and the surrounding area. Contact us to today to get a competitive...
From £86,792
hi i have been a carpenter since i left school some 40 years ago, along with my step son and friend [both carpenters]we have a wide range of skills...
From £86,464
Need to find an Extension Builder near you for all your extension buildering work?
Renovation Concepts Ltd provides a local, trusted extens...

Building a granny annexe ranges from £86,464 (Renovation Concepts Ltd based in IP22) to £87,224 (SUFFOLK BUILD LTD T/A based in IP22), 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 IP21 by posting a job with HaMuch. We will send it to extension builders in IP21 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Waveney | £24 | £200 |
| Granny Annexe near Suffolk Coastal | £28 | £215 |
| Granny Annexe near Norwich | £25 | £200 |
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Ipswich | £33 | £235 |
| Granny Annexe near Breckland | £28 | £248 |
| Granny Annexe near Lowestoft | £24 | £197 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Dereham | £25 | £203 |
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 - £17,257

Two storey extension - £87,635

Build a timber frame extension - £25,757

Build a swimming pool - £80,757

Single storey extension - £50,136

Side return extension - £38,764

Install an RSJ - £1,957

Outbuilding - £9,757

Build a Mansard loft conversion - £51,757

Loft conversion - £31,470

Build a kitchen extension - £41,757

Hip to gable loft conversion - £41,757

Granny annexe - £86,757

Garden office - £9,757

Convert a Garage - £15,757

Garage - £18,257

Build a flat roof extension - £21,757

Build a dormer loft conversion - £41,757

Concrete foundations - £6,007

Convert a bungalow loft - £28,757

Convert a basement - £34,764