From £87,040
From building preservation to extensions in Grimsby, we have the skills and experience you need. We undertake a very wide selection of wor...
From £86,776
Need an Extension Builder in DN41? A F Beckett has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £87,456
Need to find an Extension Builder near you for all your extension buildering work?
One Stop Building and Property Solutions Ltd provides a ...
From £86,752
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,968
Relax... you have found a reliable extension builder in DN41. APPLEWOOD JOINERS&BUILDERS LTD is a friendly and reliable company based in DN41 who c...
From £86,848
Dan's News youth club is an established and experienced local extension builder in DN41. Please contact us for a free, no obligation quote and comp...
From £86,688
JAK SITE SERVICES LIMITIED is an established extension buildering business in DN41. We come highly recommended and provide competitive quotes for y...
From £86,616
Need an Extension Builder in DN41? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £87,056
Patchett's Property Solutions & Management is an established and experienced local extension builder in DN41. Please contact us for a free, no obli...
From £86,608
RB Building Services is an established extension buildering business in DN41. We come highly recommended and provide competitive quotes for your wo...

Building a granny annexe ranges from £86,608 (RB Building Services based in HU3) to £87,456 (One Stop Building and Property Solutions Ltd based in DN37), 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 DN41 by posting a job with HaMuch. We will send it to extension builders in DN41 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 North Lincolnshire | £28 | £216 |
| Granny Annexe near Willerby | £29 | £221 |
| 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 - £17,381

Two storey extension - £87,821

Build a timber frame extension - £25,881

Build a swimming pool - £80,881

Single storey extension - £52,616

Side return extension - £40,159

Install an RSJ - £2,081

Outbuilding - £9,881

Build a Mansard loft conversion - £51,881

Loft conversion - £32,633

Build a kitchen extension - £41,881

Hip to gable loft conversion - £41,881

Granny annexe - £86,881

Garden office - £9,881

Convert a Garage - £15,881

Garage - £18,381

Build a flat roof extension - £21,881

Build a dormer loft conversion - £41,881

Concrete foundations - £6,131

Convert a bungalow loft - £28,881

Convert a basement - £36,159