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Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in Hitchin. No obligation free quotes and...
Elena nuta Radu
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Hitchin, SG4
Trusted and professional extension builder in Hitchin. Experienced in all extension buildering work and keeping within budget and on quote. Amcell ...
Need an Extension Builder in Hitchin? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
Need an Extension Builder in Hitchin? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension builderin...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in Hitchin. No obligation free quotes ...
Need an Extension Builder in Hitchin? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering j...

Building a granny annexe ranges from £86,920 (MA Gower based in AL6) to £87,488 (M SPINDLER CONSTRUCTION LTD based in SG6), 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 Hitchin by posting a job with HaMuch. We will send it to extension builders in Hitchin who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Hitchin | £43 | £283 |
| Granny Annexe near Stevenage | £44 | £282 |
| Granny Annexe near North Hertfordshire | £44 | £283 |
| Granny Annexe near Letchworth | £44 | £283 |
| Granny Annexe near Luton | £42 | £279 |
| Granny Annexe near Harpenden | £45 | £282 |
| Granny Annexe near Welwyn Garden City | £42 | £269 |
| Granny Annexe near East Hertfordshire | £44 | £289 |
| Granny Annexe near Mid Bedfordshire | £42 | £276 |
| Granny Annexe near Hertford | £46 | £290 |
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 - £17,665

Two storey extension - £88,247

Build a timber frame extension - £26,165

Build a swimming pool - £81,165

Single storey extension - £58,296

Side return extension - £43,354

Install an RSJ - £2,365

Outbuilding - £10,165

Build a Mansard loft conversion - £52,165

Loft conversion - £35,295

Build a kitchen extension - £42,165

Hip to gable loft conversion - £42,165

Granny annexe - £87,165

Garden office - £10,165

Convert a Garage - £16,165

Garage - £18,665

Build a flat roof extension - £22,165

Build a dormer loft conversion - £42,165

Concrete foundations - £6,415

Convert a bungalow loft - £29,165

Convert a basement - £39,354