Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
Top Notch Tradesmen is an established and experienced local extension builder in LU5. Please contact us for a free, no obligation quote and competi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
A.J Builders is an established and experienced local extension builder in LU5. Please contact us for a free, no obligation quote and competitive ra...
Klajdi Progja
Need to find an Extension Builder near you for all your extension buildering work?
Mat al construction ltd provides a local, trusted exten...
We use only the highest quality products, and you can rest assured knowing that we are fully certified and registered with the relevant authorities...
Trusted and professional extension builder in LU5. Experienced in all extension buildering work and keeping within budget and on quote. Flitton Bro...
S Sherazi Home Improvement Service are here to help customers who need an Extension Builder in LU5. We offer a competitive rate to complete all you...
From £87,112
Relax... you have found a reliable extension builder in LU5. Brim Builds is a friendly and reliable company based in LU5 who consider no job as too...
From £87,264
JK Property Service is an established extension buildering business in LU5. We come highly recommended and provide competitive quotes for your work...

Building a granny annexe ranges from £86,928 (Flitton Bros Property Ltd based in LU6) to £87,496 (Mat al construction ltd based in LU5), 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 LU5 by posting a job with HaMuch. We will send it to extension builders in LU5 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Dunstable | £41 | £274 |
| Granny Annexe near Luton | £42 | £279 |
| Granny Annexe near Leighton Buzzard | £38 | £270 |
| Granny Annexe near Mid Bedfordshire | £42 | £276 |
| Granny Annexe near Ampthill | £38 | £258 |
| Granny Annexe near Harpenden | £87 | £317 |
| Granny Annexe near Berkhamsted | £41 | £263 |
| Granny Annexe near Bletchley | £39 | £265 |
| Granny Annexe near Hemel Hempstead | £42 | £270 |
| Granny Annexe near Hitchin | £43 | £283 |
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 - £17,729

Two storey extension - £88,343

Build a timber frame extension - £26,229

Build a swimming pool - £81,229

Single storey extension - £59,576

Side return extension - £44,074

Install an RSJ - £2,429

Outbuilding - £10,229

Build a Mansard loft conversion - £52,229

Loft conversion - £35,895

Build a kitchen extension - £42,229

Hip to gable loft conversion - £42,229

Granny annexe - £87,229

Garden office - £10,229

Convert a Garage - £16,229

Garage - £18,729

Build a flat roof extension - £22,229

Build a dormer loft conversion - £42,229

Concrete foundations - £6,479

Convert a bungalow loft - £29,229

Convert a basement - £40,074