Granny Annexe Cost in ST15
A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in ST15?
Building a granny annexe ranges from £86440 (P and A Harrison Construction Services based in ST3) to £86680 (Greenwood Building Services based in ST5), 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 ST15 by posting a job with HaMuch. We will send it to extension builders in ST15 who will be happy to help you.
Estimates for common extension builder jobs in ST15;
| Job | Estimate |
| Underpinning a house | £17077 |
| Build a two storey extension | £87366 |
| Build a timber frame extension | £25577 |
| Install a swimming pool | £80577 |
| Cost to build a single storey extension | £41546 |
| Cost to build a side return extension | £32744 |
| Install an RSJ | £1777 |
| Build an outbuilding | £9577 |
| Build a mansard loft conversion | £51577 |
| Cost of a loft conversion | £29787 |
| Build a kitchen extension | £41577 |
| Build a hip to gable loft conversion | £41577 |
| Build a granny annexe | £86577 |
| Build a garden office | £9577 |
| Convert a garage | £15577 |
| Build a new garage | £18077 |
| Build a flat roof extension | £21577 |
| Build a dormer loft conversion | £41577 |
| Lay a concrete foundation | £5827 |
| Convert a bungalow loft | £28577 |
| Basement conversion cost | £32744 |