How we approach rooflight upstands & kerbs in Porthcawl
Our rooflight upstands & kerbs service in Porthcawl covers insulated kerbs built and waterproofed to suit your rooflight. Every job starts with a survey of the opening, the roof covering and the room below, and a fixed written price.
Wales sees a lot of wind-driven rain, particularly in the west, so upstand height and flashing laps matter more than anywhere. In Porthcawl, as anywhere, rooflight upstands & kerbs are the usual choice for roofs where the old kerb is low, cold or leaking.
Neighbouring towns include Bridgend (9 km) and Port Talbot (14 km). We offer a survey date when we reply to your enquiry.
Choices for your Porthcawl project
- Proprietary insulated kerbs
- Upstands to suit single-ply, felt, GRP or liquid roofs
- Internal plaster-box linings
- Upstand repairs and rebuilds
- Raised upstands for deep green or ballasted roofs
- Insulated to avoid a cold bridge
- Matched to your roof covering
Things we check at survey
- Upstand size must match the unit within a tight tolerance
- Membrane compatibility with the rooflight's sealants
Planning and building rules for Porthcawl
Planning rules in Wales are tighter than in England for rooflights: Class C rights do not apply in conservation areas, National Parks or AONBs, so a rooflight there needs planning permission. Listed buildings need listed building consent from the council, and flats have no householder permitted development rights.
Approved Document L in Wales (2022 edition) sets 2.2 W/m²K for rooflights, measured horizontally, and 1.4 W/m²K or Band B for roof windows in existing homes. Wales also has its own overheating rules (Part O) for new homes, in force since November 2022.
Our planning guide covers each nation in more detail.
Guide prices for Porthcawl
These are typical supply-and-fit ranges. For an address in Porthcawl, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large or raised upstand | £715 – £1,195 | £595 – £995 |
| Standard insulated upstand Typical | £475 – £715 | £395 – £595 |
| Small upstand on new roof | £355 – £475 | £295 – £395 |
How the job runs
- Send the details. Postcode, rough size and a photo of the roof and room.
- Measure and check. A surveyor visits Porthcawl, measures and checks structure and access.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Neighbouring towns
Related work in Porthcawl
Questions about rooflight upstands & kerbs in Porthcawl
Does every rooflight need an upstand?
Flat and dome rooflights do. Pitched roof windows use flashing kits instead.
Why is my rooflight cold around the edge?
Usually an uninsulated upstand. Insulating the kerb and lining the reveal fixes most cold spots.
What roof coverings do you work with?
Single-ply, EPDM, felt, GRP and liquid-applied systems — or we coordinate with your roofer.
Do you offer rooflight upstands & kerbs in Porthcawl?
Yes. We carry out rooflight upstands & kerbs in Porthcawl and across Mid Glamorgan. Send your postcode and we will offer a survey date when we reply.
Can you work alongside my builder in Porthcawl?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
