From £87,400
Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...
From £86,880
Need an Extension Builder in Barrow? Mc2 Building Services has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £86,624
Relax... you have found a reliable extension builder in Barrow. Mixbrow Construction is a friendly and reliable company based in Barrow who conside...
From £86,568
We are a family business providing a one stop shop to meet all your building and renervation needs
From £87,224
Small extension, to full turn key new house builds, listed building works, renovations. We provide a full comprehensive quotation for all your need...
From £87,104
Relax... you have found a reliable extension builder in Barrow. Pinnacle Construction is a friendly and reliable company based in Barrow who consid...
From £87,048
Ashdell is an established and experienced local extension builder in Barrow. Please contact us for a free, no obligation quote and competitive rate...
From £87,000
Relax... you have found a reliable extension builder in Barrow. Premier Building is a friendly and reliable company based in Barrow who consider no...
From £87,032
Need to find an Extension Builder near you for all your extension buildering work?
MICKS BUILDING SERVICES provides a local, trusted extens...
From £87,216
Need an Extension Builder in Barrow? DELTA BUILD LIMITED has been helping local clients (20 mile radius) with their extension buildering jobs for m...

Building a granny annexe ranges from £86,568 (Sean W Scott General Builder based in IP28) to £87,400 (Helenski Group Ltd based in IP24), 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 Barrow by posting a job with HaMuch. We will send it to extension builders in Barrow who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Sudbury | £34 | £229 |
| Granny Annexe near Haverhill | £37 | £260 |
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Ely | £40 | £279 |
| Granny Annexe near Braintree | £37 | £247 |
| Granny Annexe near Ipswich | £33 | £235 |
| Granny Annexe near Colchester | £34 | £232 |
| Granny Annexe near Cambridge | £38 | £271 |
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 - £17,510

Two storey extension - £88,014

Build a timber frame extension - £26,010

Build a swimming pool - £81,010

Single storey extension - £55,192

Side return extension - £41,608

Install an RSJ - £2,210

Outbuilding - £10,010

Build a Mansard loft conversion - £52,010

Loft conversion - £33,840

Build a kitchen extension - £42,010

Hip to gable loft conversion - £42,010

Granny annexe - £87,010

Garden office - £10,010

Convert a Garage - £16,010

Garage - £18,510

Build a flat roof extension - £22,010

Build a dormer loft conversion - £42,010

Concrete foundations - £6,260

Convert a bungalow loft - £29,010

Convert a basement - £37,608