From £87,384
We are a established company of over 30 yeats. We offer 24 hour call out service for both commercial and residential property sevices
From £88,336
CFM - Entire building care is an established and experienced local extension builder in St Marys. Please contact us for a free, no obligation quot...
From £86,928
Experienced extension builder ready to quote for your work. Andrew Allan Builder is the best extension builder in St Marys. No obligation free quot...
From £86,712
Hi i am first class tradesman which i will leave you 100% happy with the work carried out,i am also puncual in the mornings.never let any clients d...
From £87,400
Trusted and professional extension builder in St Marys. Experienced in all extension buildering work and keeping within budget and on quote. Bell &...
From £87,432
Trusted and professional extension builder in St Marys. Experienced in all extension buildering work and keeping within budget and on quote. Ames T...
From £87,248
Need to find an Extension Builder near you for all your extension buildering work?
D GARDINER CONSTRUCTION provides a local, trusted extens...
From £86,888
Experienced extension builder ready to quote for your work. REDSTONE CONSTRUCTION (TAYSIDE is the best extension builder in St Marys. No obligation...
From £86,960
J & G Builders are here to help customers who need an Extension Builder in St Marys. We offer a competitive rate to complete all your extension bui...

Building a granny annexe ranges from £86,712 (D.F.BUILDERS based in PH11) to £88,336 (CFM - Entire building care based in DD5), 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 St Marys by posting a job with HaMuch. We will send it to extension builders in St Marys who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Dundee | £38 | £285 |
| Granny Annexe near Forfar | £29 | £236 |
| Granny Annexe near Angus | £29 | £236 |
| Granny Annexe near Arbroath | £47 | £264 |
| Granny Annexe near Perth & Kinross | £32 | £245 |
| Granny Annexe near Perth | £32 | £245 |
| Granny Annexe near Fife | £44 | £310 |
| Granny Annexe near Glenrothes | £42 | £304 |
| Granny Annexe near Kirkcaldy | £42 | £296 |
| Granny Annexe near Dunfermline | £46 | £285 |
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 - £17,700

Two storey extension - £88,300

Build a timber frame extension - £26,200

Build a swimming pool - £81,200

Single storey extension - £59,000

Side return extension - £43,750

Install an RSJ - £2,400

Outbuilding - £10,200

Build a Mansard loft conversion - £52,200

Loft conversion - £35,625

Build a kitchen extension - £42,200

Hip to gable loft conversion - £42,200

Granny annexe - £87,200

Garden office - £10,200

Convert a Garage - £16,200

Garage - £18,700

Build a flat roof extension - £22,200

Build a dormer loft conversion - £42,200

Concrete foundations - £6,450

Convert a bungalow loft - £29,200

Convert a basement - £39,750