From £86,896
Experienced extension builder ready to quote for your work. Park home developments is the best extension builder in PE9. No obligation free quotes ...
From £86,600
Need to find an Extension Builder near you for all your extension buildering work?
QKS Limited provides a local, trusted extension builderi...
From £87,344
LMS Construction are a reputable company of builders, established over 15 years ago. Since then, we have been helping customers throughout the Camb...
From £87,280
Ringling Construction Limited are here to help customers who need an Extension Builder in PE9. We offer a competitive rate to complete all your ext...
From £86,816
Wightman Build Ltd is an established and experienced local extension builder in PE9. Please contact us for a free, no obligation quote and competit...
From £86,880
sunnyday foster home is an established and experienced local extension builder in PE9. Please contact us for a free, no obligation quote and compet...
From £86,920
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,904
KESTEAD CONSTRUCTION LTD is an established and experienced local extension builder in PE9. Please contact us for a free, no obligation quote and co...
From £87,208
Sheehan & Godfrey (Construction) Limited is an established and experienced local extension builder in PE9. Please contact us for a free, no obligat...

Building a granny annexe ranges from £86,600 (QKS Limited based in PE9) to £87,344 (LMS Construction based in PE8), 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 PE9 by posting a job with HaMuch. We will send it to extension builders in PE9 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stamford | £35 | £248 |
| Granny Annexe near Peterborough | £42 | £280 |
| Granny Annexe near Corby | £30 | £214 |
| Granny Annexe near Spalding | £32 | £238 |
| Granny Annexe near Melton Mowbray | £31 | £222 |
| Granny Annexe near Grantham | £38 | £228 |
| Granny Annexe near Kettering | £34 | £237 |
| Granny Annexe near Huntingdonshire | £36 | £290 |
| Granny Annexe near Market Harborough | £31 | £217 |
| Granny Annexe near Hamilton | £29 | £216 |
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 - £17,485

Two storey extension - £87,977

Build a timber frame extension - £25,985

Build a swimming pool - £80,985

Single storey extension - £54,696

Side return extension - £41,329

Install an RSJ - £2,185

Outbuilding - £9,985

Build a Mansard loft conversion - £51,985

Loft conversion - £33,608

Build a kitchen extension - £41,985

Hip to gable loft conversion - £41,985

Granny annexe - £86,985

Garden office - £9,985

Convert a Garage - £15,985

Garage - £18,485

Build a flat roof extension - £21,985

Build a dormer loft conversion - £41,985

Concrete foundations - £6,235

Convert a bungalow loft - £28,985

Convert a basement - £37,329