From £87,208
Bourne, PE10
Sheehan & Godfrey (Construction) Limited is an established and experienced local extension builder in Bourne. Please contact us for a free, no obli...
From £86,920
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Bourne ...
From £86,832
Our building services company DH Home Improvements was established in 2003. Since then we have been helping customers in Lincolnshire and the surro...
From £86,904
KESTEAD CONSTRUCTION LTD is an established and experienced local extension builder in Bourne. Please contact us for a free, no obligation quote and...
From £87,280
Ringling Construction Limited are here to help customers who need an Extension Builder in Bourne. We offer a competitive rate to complete all your ...
From £86,904
R JOSE (BUILDER) is an established and experienced local extension builder in Bourne. Please contact us for a free, no obligation quote and competi...
From £86,600
Need to find an Extension Builder near you for all your work?
QKS Limited provides a local, trusted service in and around Bourne. Homeown...
From £86,896
Experienced extension builder ready to quote for your work. Park home developments is the best extension builder in Bourne. No obligation free quot...
From £86,816
Wightman Build Ltd is an established and experienced local extension builder in Bourne. Please contact us for a free, no obligation quote and compe...

Building a granny annexe ranges from £86,600 (QKS Limited based in PE9) to £87,280 (Ringling Construction Limited based in PE9), 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 Bourne by posting a job with HaMuch. We will send it to extension builders in Bourne who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Spalding | £30 | £220 |
| Granny Annexe near Stamford | £29 | £206 |
| Granny Annexe near Grantham | £33 | £197 |
| Granny Annexe near Peterborough | £37 | £246 |
| Granny Annexe near Boston | £24 | £220 |
| Granny Annexe near Melton Mowbray | £28 | £199 |
| Granny Annexe near Wisbech | £30 | £225 |
| Granny Annexe near Corby | £27 | £193 |
| Granny Annexe near Huntingdonshire | £29 | £240 |
| Granny Annexe near Newark-on-Trent | £28 | £204 |
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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780