From £86,848
Horndean, PO8
Trusted and professional extension builder in Horndean. Experienced in all extension buildering work and keeping within budget and on quote. Richar...
From £86,752
we're Specialists in the following
•roofing
•brickwork
•Repointing
...From £86,768
Horndean, PO8
TP Developments are here to help customers who need an Extension Builder in Horndean. We offer a competitive rate to complete all your extension bu...
From £86,800
Horndean, PO8
Relax... you have found a reliable extension builder in Horndean. C M BENNETT CONSTRUCTION LTD is a friendly and reliable company based in Horndean...
From £86,184
Need to find an Extension Builder near you for all your extension buildering work?
M G Home Improvements provides a local, trusted extensio...
From £86,760
Maw Carpentry Services are here to help customers who need an Extension Builder in Horndean. We offer a competitive rate to complete all your exten...
From £87,064
Horndean, PO8
Relax... you have found a reliable extension builder in Horndean. CLARKE BUILDING SERVICES is a friendly and reliable company based in Horndean who...
From £87,016
Horndean, PO8
NDR BUILDING SERVICES LTD is an established extension buildering business in Horndean. We come highly recommended and provide competitive quotes fo...
From £86,728
Mark Creese is an established and experienced local extension builder in Horndean. Please contact us for a free, no obligation quote and competitiv...
From £87,312
Relax... you have found a reliable extension builder in Horndean. MC Architectural Design is a friendly and reliable company based in Horndean who ...

Building a granny annexe ranges from £86,184 (M G Home Improvements based in PO8) to £87,312 (MC Architectural Design based in PO7), 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 Horndean by posting a job with HaMuch. We will send it to extension builders in Horndean who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Horndean | £35 | £253 |
| Granny Annexe near Waterlooville | £36 | £250 |
| Granny Annexe near Havant | £35 | £249 |
| Granny Annexe near Havant & Waterloo | £35 | £248 |
| Granny Annexe near Portsmouth | £36 | £250 |
| Granny Annexe near Fareham | £35 | £250 |
| Granny Annexe near Gosport | £35 | £246 |
| Granny Annexe near East Hampshire | £38 | £258 |
| Granny Annexe near Lee-on-the-Solent | £35 | £249 |
| Granny Annexe near Chichester | £34 | £242 |
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 - £17,323

Two storey extension - £87,735

Build a timber frame extension - £25,823

Build a swimming pool - £80,823

Single storey extension - £51,464

Side return extension - £39,511

Install an RSJ - £2,023

Outbuilding - £9,823

Build a Mansard loft conversion - £51,823

Loft conversion - £32,093

Build a kitchen extension - £41,823

Hip to gable loft conversion - £41,823

Granny annexe - £86,823

Garden office - £9,823

Convert a Garage - £15,823

Garage - £18,323

Build a flat roof extension - £21,823

Build a dormer loft conversion - £41,823

Concrete foundations - £6,073

Convert a bungalow loft - £28,823

Convert a basement - £35,511