From £86,576
L E JONES BUILDER is an established extension buildering business in Pentre. We come highly recommended and provide competitive quotes for your wor...
From £86,496
Trusted and professional extension builder in Pentre. Experienced in all extension buildering work and keeping within budget and on quote. RJ CONST...
From £86,528
Need an Extension Builder in Pentre? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
From £86,808
Dare Fitness is an established extension buildering business in Pentre. We come highly recommended and provide competitive quotes for your work.
From £86,896
Barlam Drylining Ltd are here to help customers who need an Extension Builder in Pentre. We offer a competitive rate to complete all your extension...
From £86,616
Excel Home Design Ltd is an established extension buildering business in Pentre. We come highly recommended and provide competitive quotes for your...
From £86,824
Need an Extension Builder in Pentre? FORMWORK CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
From £86,792
We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...
From £86,704
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,720
G Wager Building Maintenance is a trusted extension builder serving customers in Pentre and the surrounding area. Contact us to today to get a comp...

Building a granny annexe ranges from £86,496 (RJ CONSTRUCTION based in CF40) to £86,896 (Barlam Drylining Ltd based in CF45), 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 Pentre by posting a job with HaMuch. We will send it to extension builders in Pentre who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rhondda, Cynon, Taff | £31 | £209 |
| Granny Annexe near Rhondda | £31 | £206 |
| Granny Annexe near Aberdare | £32 | £212 |
| Granny Annexe near Pontypridd | £33 | £211 |
| Granny Annexe near Maesteg | £38 | £283 |
| Granny Annexe near Merthyr Tydfil | £33 | £220 |
| Granny Annexe near Church Village | £34 | £214 |
| Granny Annexe near Bridgend | £32 | £200 |
| Granny Annexe near Neath Port Talbot | £31 | £224 |
| Granny Annexe near Pyle | £34 | £262 |
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 - £17,196

Two storey extension - £87,544

Build a timber frame extension - £25,696

Build a swimming pool - £80,696

Single storey extension - £48,920

Side return extension - £38,080

Install an RSJ - £1,896

Outbuilding - £9,696

Build a Mansard loft conversion - £51,696

Loft conversion - £30,900

Build a kitchen extension - £41,696

Hip to gable loft conversion - £41,696

Granny annexe - £86,696

Garden office - £9,696

Convert a Garage - £15,696

Garage - £18,196

Build a flat roof extension - £21,696

Build a dormer loft conversion - £41,696

Concrete foundations - £5,946

Convert a bungalow loft - £28,696

Convert a basement - £34,080