From £87,360
Arran Scargill
Over 25 years experience in the building industry
Any job from a light switch to building a house give me a call

Building a granny annexe ranges from £87,360 (Ahs joinery and building ltd based in HU13) to £87,360 (Ahs joinery and building ltd based in HU13), 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 DN18 by posting a job with HaMuch. We will send it to extension builders in DN18 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Willerby | £29 | £221 |
| Granny Annexe near Hull | £29 | £223 |
| Granny Annexe near North Lincolnshire | £28 | £216 |
| Granny Annexe near Scunthorpe | £26 | £207 |
| Granny Annexe near East Riding | £29 | £223 |
| Granny Annexe near Beverley | £29 | £223 |
| Granny Annexe near North East Lincolnshire | £32 | £246 |
| Granny Annexe near Grimsby | £32 | £246 |
| Granny Annexe near Cleethorpes | £32 | £246 |
| Granny Annexe near Goole | £26 | £217 |
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 - £17,860

Two storey extension - £88,540

Build a timber frame extension - £26,360

Build a swimming pool - £81,360

Single storey extension - £62,200

Side return extension - £45,550

Install an RSJ - £2,560

Outbuilding - £10,360

Build a Mansard loft conversion - £52,360

Loft conversion - £37,125

Build a kitchen extension - £42,360

Hip to gable loft conversion - £42,360

Granny annexe - £87,360

Garden office - £10,360

Convert a Garage - £16,360

Garage - £18,860

Build a flat roof extension - £22,360

Build a dormer loft conversion - £42,360

Concrete foundations - £6,610

Convert a bungalow loft - £29,360

Convert a basement - £41,550