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Trusted and professional extension builder in Kilkeel. Experienced in all extension buildering work and keeping within budget and on quote. JDL Con...
From £86,496
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,408 (JDL Contracts based in BT34) to £86,496 (Ballygrange Contracts based in BT34), 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 Kilkeel by posting a job with HaMuch. We will send it to extension builders in Kilkeel who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Kilkeel | £28 | £182 |
| Granny Annexe near Banbridge | £29 | £205 |
| Granny Annexe near Ballynahinch | £19 | £189 |
| Granny Annexe near Saintfield | £23 | £162 |
| Granny Annexe near Waringstown | £23 | £167 |
| Granny Annexe near Portaferry | £22 | £164 |
| Granny Annexe near Hillsborough and Culcavy | £25 | £170 |
| Granny Annexe near Craigavon | £23 | £181 |
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 - £16,952

Two storey extension - £87,178

Build a timber frame extension - £25,452

Build a swimming pool - £80,452

Single storey extension - £44,040

Side return extension - £35,335

Install an RSJ - £1,652

Outbuilding - £9,452

Build a Mansard loft conversion - £51,452

Loft conversion - £28,613

Build a kitchen extension - £41,452

Hip to gable loft conversion - £41,452

Granny annexe - £86,452

Garden office - £9,452

Convert a Garage - £15,452

Garage - £17,952

Build a flat roof extension - £21,452

Build a dormer loft conversion - £41,452

Concrete foundations - £5,702

Convert a bungalow loft - £28,452

Convert a basement - £31,335