Gelligaer wraparound extensions, designed and built
Thinking about a wraparound extension for your Gelligaer home? Start with a free site visit: we measure up, check what the council will allow and give you honest guide figures on the day.
- Guide price in GelligaerFrom £33,000 inc VAT
- PlanningUsually a planning application
- Build time14–20 weeks on site
- Postcode districtsCF46, CF82
Covering Gelligaer
Site visits are available across Gelligaer (CF46, CF82). Nearby, we also take on projects in Blackwood (2 miles), Pontypridd (6 miles), Caerphilly (6 miles), Risca (8 miles).
Welsh housing ranges from stone terraces in the valleys to render-and-slate houses and modern estates, and the Welsh planning rules differ from England's in several places.
What should I budget for a wraparound extension in Gelligaer?
For Gelligaer we adjust our national guide rates by ×0.93, the factor we use for Wales. Figures include VAT; your written quote after the survey replaces them.
Typical rates in Gelligaer: £1,860 to £3,440 per m² including VAT, depending on specification.
| Size | Essential | Standard | Premium |
|---|---|---|---|
| Compact L-shape 18 m² | £33,000 – £40,500 | £38,500 – £49,000 | £48,500 – £62,000 |
| Medium L-shape 25 m² | £46,500 – £56,000 | £53,000 – £67,500 | £67,000 – £86,500 |
| Large L-shape 32 m² | £59,500 – £71,500 | £68,000 – £86,500 | £86,000 – £110,500 |
Want a range for your exact size? The guide-price tool takes about a minute.
When a wraparound extension makes sense
- Semi-detached houses with a side passage
- Terraced houses that want the largest ground floor possible
- Families who want kitchen, dining and living in one space
The corner is where wraparounds succeed or fail. We usually use a single steel goalpost or a corner post hidden in a pier, and set the glazing so the new room reads as one space rather than two boxes.
Planning and approvals in Gelligaer
In Wales a wraparound must satisfy both the rear and side extension limits to be permitted development, so most need a planning application to the council.
Before any drawing is finalised we check whether the house is listed, in a conservation area or subject to an Article 4 direction.
The Party Wall etc. Act 1996 applies in Wales as in England: notice must be served before work to a shared wall, building on the boundary, or excavating close to a neighbour's foundations.
Applications are decided by the local planning authority (your county or county borough council, or the national park authority).
What happens next
Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.
Free site visit
We visit your Gelligaer home, measure up, talk through what you want and check the planning position.
Design and approvals
We draw the design, agree it with you and handle planning or permitted development checks and building regulations.
Fixed written price
The price is fixed in writing once the design is settled, with a clear programme and payment stages.
Build and sign-off
The build is managed from start to finish, inspected at each stage and signed off on completion.
Questions people ask about wraparound extensions
Do you cover all of Gelligaer?
Yes. We cover Gelligaer and the surrounding parts of Mid Glamorgan. Site visits are free and there is no obligation.
How long does a wraparound extension take to build in Gelligaer?
On site, typically 14 to 20 weeks once approvals are in place. Before that, allow 8–16 weeks design and approvals.
Do I need building regulations approval in Gelligaer?
Yes. Almost every extension needs it, whatever the planning route. We prepare the drawings and book the inspections.
How much does a wraparound extension cost?
Our guide range is about £1,860 to £3,440 per m² including VAT. A 25 m² standard-spec wraparound typically lands around £53,000 to £67,500 in Gelligaer before design and council fees.
Will I need to move a drain?
Often. Side returns frequently contain a manhole or a shared drain. Building near or over a public sewer needs the water company’s consent in England and Wales, which we arrange.
Book a free site visit in Gelligaer
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.