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Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in Ardeley. No obligation free quotes and...
Relax... you have found a reliable extension builder in Ardeley. Up and Out Builds Ltd is a friendly and reliable company based in Ardeley who cons...
Trusted and professional extension builder in Ardeley. Experienced in all extension buildering work and keeping within budget and on quote. Amcell ...
Need an Extension Builder in Ardeley? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
Need an Extension Builder in Ardeley? 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 Ardeley. No obligation free quotes ...
Herts Loft Ltd is an established extension buildering business in Ardeley. We come highly recommended and provide competitive quotes for your work....
Need to find an Extension Builder near you for all your extension buildering work?
TPJ Building Ltd provides a local, trusted extension bui...
Need an Extension Builder in Ardeley? 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 Ardeley by posting a job with HaMuch. We will send it to extension builders in Ardeley who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stevenage | £44 | £282 |
| Granny Annexe near Hitchin | £43 | £283 |
| Granny Annexe near North Hertfordshire | £44 | £283 |
| Granny Annexe near East Hertfordshire | £44 | £289 |
| Granny Annexe near Letchworth | £44 | £283 |
| Granny Annexe near Welwyn Garden City | £42 | £269 |
| Granny Annexe near Hertford | £46 | £290 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Harpenden | £45 | £282 |
| Granny Annexe near Hatfield | £42 | £266 |
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 - £17,714

Two storey extension - £88,322

Build a timber frame extension - £26,214

Build a swimming pool - £81,214

Single storey extension - £59,288

Side return extension - £43,912

Install an RSJ - £2,414

Outbuilding - £10,214

Build a Mansard loft conversion - £52,214

Loft conversion - £35,760

Build a kitchen extension - £42,214

Hip to gable loft conversion - £42,214

Granny annexe - £87,214

Garden office - £10,214

Convert a Garage - £16,214

Garage - £18,714

Build a flat roof extension - £22,214

Build a dormer loft conversion - £42,214

Concrete foundations - £6,464

Convert a bungalow loft - £29,214

Convert a basement - £39,912