From £86,296
For all your needs. If you need to granny annexe contact us today to get a no obligation free quote.
From £86,384
For all your needs. If you need to granny annexe contact us today to get a no obligation free quote.
From £86,368
You want to granny annexe? No problem, SM Plumbing & Heating is a reliable extension builder with years of experience helping homeowners.
From £86,320
If you need to granny annexe use C.H Property Services. Work is guarenteed and the cost won't hurt the pocket.
From £86,208
A friendly extension builder in Newtownabbey. Happy to provide references and a free quote to granny annexe.
From £86,352
A service with a difference. Priced competitively to granny annexe and more.
From £86,336
A friendly extension builder in Newtownabbey. Happy to provide references and a free quote to granny annexe.
From £86,136
A service with a difference. Priced competitively to granny annexe and more.
From £86,384
You want to granny annexe? No problem, Finch Construction NI is a reliable extension builder with years of experience helping homeowners.
From £85,976
Have worked in building industry for over 30 years contracts from government to private sector.
From £86,400
If you need to granny annexe use T.I Building. Work is guarenteed and the cost won't hurt the pocket.
From £86,272
If you need to granny annexe use apex pharaoh ltd. Work is guarenteed and the cost won't hurt the pocket.

Building a granny annexe ranges from £85,976 (Anak based in BT40) to £86,488 (AK Building Services based in BT8), 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 Newtownabbey by posting a job with HaMuch. We will send it to extension builders in Newtownabbey who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Greenisland | £20 | £134 |
| Granny Annexe near Holywood | £20 | £138 |
| Granny Annexe near Belfast | £20 | £137 |
| Granny Annexe near Carrickfergus | £21 | £145 |
| Granny Annexe near Ballyclare | £17 | £110 |
| Granny Annexe near Carryduff | £20 | £136 |
| Granny Annexe near Bangor | £20 | £150 |
| Granny Annexe near Bangor | £20 | £150 |
| Granny Annexe near Comber | £20 | £142 |
| Granny Annexe near Ballygowan | £20 | £150 |
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 - £16,797

Two storey extension - £86,946

Build a timber frame extension - £25,297

Build a swimming pool - £80,297

Single storey extension - £40,947

Side return extension - £33,595

Install an RSJ - £1,497

Outbuilding - £9,297

Build a Mansard loft conversion - £51,297

Loft conversion - £27,163

Build a kitchen extension - £41,297

Hip to gable loft conversion - £41,297

Granny annexe - £86,297

Garden office - £9,297

Convert a Garage - £15,297

Garage - £17,797

Build a flat roof extension - £21,297

Build a dormer loft conversion - £41,297

Concrete foundations - £5,547

Convert a bungalow loft - £28,297

Convert a basement - £29,595