Gelligaer, South Wales Valleys
Kitchen-diner rear extension in Gelligaer
We plan and build kitchen-diner rear extensions for homeowners in Gelligaer. An open-plan kitchen, dining and family room that opens straight onto the garden. Start with a free site visit, then a written price once the design is agreed.
Gelligaer and its postcode districts CF82 are part of our South Wales Valleys coverage. A kitchen-diner is often the reason people in Gelligaer extend: the back kitchen in stone terraces and post-war semis is rarely big enough for a table.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a kitchen-diner rear extension cost in Gelligaer?
A kitchen-diner rear extension in Gelligaer is priced at £1,770–£2,880 per square metre including VAT as a guide, before kitchen fit-out and fees. Prices in Wales sit below our West Midlands baseline; sloping sites are the main variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £21,000–£34,500 |
| 4 m wide × 5 m deep (20 m²) | £35,500–£57,500 |
| 4 m wide × 6 m deep (24 m²) | £42,500–£69,000 |
Your written price follows a measured survey and an agreed design, so it reflects your house, not an average.
Do you need planning permission for a kitchen-diner rear extension in Gelligaer?
Planning for a kitchen-diner rear extension in Gelligaer follows the Welsh householder rules.
The Welsh Government's householder rules let many homes add a single-storey rear extension up to 4 metres deep and 4 metres high without a planning application. Deeper projects go through a householder application, because Wales has no prior approval route.
Conservation areas, National Parks and National Landscapes restrict permitted development in Wales, and listed buildings need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Gelligaer like to extend?
Stone terraces along the valley floors and post-war semis higher up are typical of Gelligaer. Sloping sites are common, so floor levels and retaining walls are designed at the start.
How a kitchen-diner rear extension in Gelligaer comes together
Free site visit
We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Build and sign-off
We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.
Kitchen-diner rear extensions near Gelligaer
From Gelligaer, the nearest places we also cover are Nelson (1.4 miles) and Bargoed (1.6 miles).
- Kitchen-diner rear extension in Nelson
- Kitchen-diner rear extension in Bargoed
- Kitchen-diner rear extension in Blackwood
- Kitchen-diner rear extension in Treharris
- Kitchen-diner rear extension in Abercarn
Other work in Gelligaer:
FAQ
Kitchen-diner rear extension questions in Gelligaer
How long does a rear extension take to build in Gelligaer?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Do I need planning permission for a rear extension in Gelligaer?
Often not for a single-storey rear extension of up to 4 metres under Welsh permitted development. Wales has no prior approval route for deeper extensions.
Do you fit the kitchen?
Yes, whether you buy it yourself or we supply it. We take the measurements from the built shell, not the drawings.
Can you match the brick or stone on my Gelligaer house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Is the site visit in Gelligaer free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
What postcode areas do you cover around Gelligaer?
Including CF82, and the surrounding South Wales Valleys area.