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From building preservation to extensions in Grimsby, we have the skills and experience you need. We undertake a very wide selection of wor...

Building a granny annexe ranges from £87,040 (Paul Wallis Building & Joinery Ltd based in DN32) to £87,040 (Paul Wallis Building & Joinery Ltd based in DN32), 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 Immingham by posting a job with HaMuch. We will send it to extension builders in Immingham who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near North East Lincolnshire | £32 | £246 |
| Granny Annexe near Grimsby | £32 | £246 |
| Granny Annexe near Cleethorpes | £32 | £246 |
| Granny Annexe near Hull | £29 | £223 |
| Granny Annexe near Willerby | £29 | £221 |
| 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 East Lindsey | £27 | £198 |
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 - £17,540

Two storey extension - £88,060

Build a timber frame extension - £26,040

Build a swimming pool - £81,040

Single storey extension - £55,800

Side return extension - £41,950

Install an RSJ - £2,240

Outbuilding - £10,040

Build a Mansard loft conversion - £52,040

Loft conversion - £34,125

Build a kitchen extension - £42,040

Hip to gable loft conversion - £42,040

Granny annexe - £87,040

Garden office - £10,040

Convert a Garage - £16,040

Garage - £18,540

Build a flat roof extension - £22,040

Build a dormer loft conversion - £42,040

Concrete foundations - £6,290

Convert a bungalow loft - £29,040

Convert a basement - £37,950