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Need an Extension Builder in DN31? A F Beckett has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
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 £86,776 (A F Beckett 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 DN31 by posting a job with HaMuch. We will send it to extension builders in DN31 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Grimsby | £32 | £246 |
| Granny Annexe near North East Lincolnshire | £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 East Lindsey | £27 | £198 |
| Granny Annexe near Scunthorpe | £26 | £207 |
| Granny Annexe near East Riding | £29 | £223 |
| Granny Annexe near Beverley | £29 | £223 |
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 - £17,408

Two storey extension - £87,862

Build a timber frame extension - £25,908

Build a swimming pool - £80,908

Single storey extension - £53,160

Side return extension - £40,465

Install an RSJ - £2,108

Outbuilding - £9,908

Build a Mansard loft conversion - £51,908

Loft conversion - £32,888

Build a kitchen extension - £41,908

Hip to gable loft conversion - £41,908

Granny annexe - £86,908

Garden office - £9,908

Convert a Garage - £15,908

Garage - £18,408

Build a flat roof extension - £21,908

Build a dormer loft conversion - £41,908

Concrete foundations - £6,158

Convert a bungalow loft - £28,908

Convert a basement - £36,465