Mark Munro
We aim to provide quality workmanship on every job that will exceed your expectations. Our quotes are reasonable and competitive and we guarantee t...
Need an Extension Builder in Grangemouth? DANIEL COX BUILDING SERVICES has been helping local clients (20 mile radius) with their extension builder...
Relax... you have found a reliable extension builder in Grangemouth. CAMS Construction is a friendly and reliable company based in Grangemouth who ...
Relax... you have found a reliable extension builder in Grangemouth. Good Foundations is a friendly and reliable company based in Grangemouth who c...
Robert Watt Builders is an established and experienced local extension builder in Grangemouth. Please contact us for a free, no obligation quote an...
Trusted and professional extension builder in Grangemouth. Experienced in all extension buildering work and keeping within budget and on quote. COM...
DW Builders is an established and experienced local extension builder in Grangemouth. Please contact us for a free, no obligation quote and competi...
RHM BUILDERS are here to help customers who need an Extension Builder in Grangemouth. We offer a competitive rate to complete all your extension bu...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
JLC BUILDERS are here to help customers who need an Extension Builder in Grangemouth. We offer a competitive rate to complete all your extension bu...

Building a granny annexe ranges from £86,752 (RHM BUILDERS based in FK7) to £87,312 (Good Foundations based in EH51), 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 Grangemouth by posting a job with HaMuch. We will send it to extension builders in Grangemouth who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Grangemouth | £32 | £238 |
| Granny Annexe near Falkirk | £31 | £231 |
| Granny Annexe near Bo'ness | £33 | £241 |
| Granny Annexe near Alloa | £33 | £229 |
| Granny Annexe near Bathgate | £28 | £214 |
| Granny Annexe near West Lothian | £33 | £242 |
| Granny Annexe near Dunfermline | £46 | £285 |
| Granny Annexe near Broxburn | £34 | £252 |
| Granny Annexe near Cumbernauld | £31 | £234 |
| Granny Annexe near Livingston | £34 | £256 |
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 - £17,489

Two storey extension - £87,983

Build a timber frame extension - £25,989

Build a swimming pool - £80,989

Single storey extension - £54,776

Side return extension - £41,374

Install an RSJ - £2,189

Outbuilding - £9,989

Build a Mansard loft conversion - £51,989

Loft conversion - £33,645

Build a kitchen extension - £41,989

Hip to gable loft conversion - £41,989

Granny annexe - £86,989

Garden office - £9,989

Convert a Garage - £15,989

Garage - £18,489

Build a flat roof extension - £21,989

Build a dormer loft conversion - £41,989

Concrete foundations - £6,239

Convert a bungalow loft - £28,989

Convert a basement - £37,374