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Vladimir Pavliiciuc
SWANSEA, SA5
Local builder services CENTER "I, YOU, WE" CIC. Exterior building work build or repair a path or driveway construct or restore an ...
Swansea, SA7
Karina Lane Construction Ltd are here to help customers who need an Extension Builder in Swansea. We offer a competitive rate to complete all your ...
The Rod Squad is a trusted extension builder serving customers in Swansea and the surrounding area. Contact us to today to get a competitive quote ...
KAW Developments is a trusted extension builder serving customers in Swansea and the surrounding area. Contact us to today to get a competitive quo...
Experienced extension builder ready to quote for your work. Improve Not Move is the best extension builder in Swansea. No obligation free quotes an...
Homekare Building Services Ltd is an established and experienced local extension builder in Swansea. Please contact us for a free, no obligation qu...
Relax... you have found a reliable extension builder in Swansea. Signature Project Solutions Ltd is a friendly and reliable company based in Swanse...
Trusted and professional extension builder in Swansea. Experienced in all extension buildering work and keeping within budget and on quote. Masterb...
Need an Extension Builder in Swansea? K.D.L Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jo...
R.H Damp Proofing are here to help customers who need an Extension Builder in Swansea. We offer a competitive rate to complete all your extension b...

Building a granny annexe ranges from £86,576 (Homekare Building Services Ltd based in SA5) to £87,016 (Signature Project Solutions Ltd based in SA1), 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 Swansea by posting a job with HaMuch. We will send it to extension builders in Swansea who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Swansea | £29 | £229 |
| Granny Annexe near Gorseinon | £29 | £228 |
| Granny Annexe near Neath | £30 | £225 |
| Granny Annexe near Port Talbot | £31 | £227 |
| Granny Annexe near Llanelli | £29 | £231 |
| Granny Annexe near Neath Port Talbot | £31 | £224 |
| Granny Annexe near Pyle | £34 | £262 |
| Granny Annexe near Maesteg | £38 | £283 |
| Granny Annexe near Porthcawl | £33 | £252 |
| Granny Annexe near Bridgend | £32 | £200 |
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 - £17,302

Two storey extension - £87,704

Build a timber frame extension - £25,802

Build a swimming pool - £80,802

Single storey extension - £51,048

Side return extension - £39,277

Install an RSJ - £2,002

Outbuilding - £9,802

Build a Mansard loft conversion - £51,802

Loft conversion - £31,898

Build a kitchen extension - £41,802

Hip to gable loft conversion - £41,802

Granny annexe - £86,802

Garden office - £9,802

Convert a Garage - £15,802

Garage - £18,302

Build a flat roof extension - £21,802

Build a dormer loft conversion - £41,802

Concrete foundations - £6,052

Convert a bungalow loft - £28,802

Convert a basement - £35,277