Tonyrefail at a glance
- Postcode districts
- CF39
- Population
- about 9,317 (GeoNames)
- Council area
- Rhondda Cynon Taf County Borough Council
- Building approval
- Rhondda Cynon Taf County Borough Council building control, or a registered building control approver
- Nearest main town
- Rhondda, about 5 miles
- Guide price region
- Wales (−8% on West Midlands rates)
When should a flat roof in Tonyrefail be replaced?
A mineral felt roof laid decades ago may still look intact from the ground in Tonyrefail, yet have lost its chippings, cracked at the laps and pulled away at the upstands. Those faults let water track under the covering, so by the time a ceiling stain appears, the deck has often been wet for some time.
Around Tonyrefail, flat roofs are common on 1960s and 1970s link-detached houses with flat-roofed garages and porches and on terraced streets with flat-roofed rear kitchens and bathrooms. Wales averages roughly 1,460 mm of rain a year, among the wettest in Britain, so we design for steady run-off: proper falls, clear outlets and upstands well above the finished roof.
How much does a flat roof replacement cost in Tonyrefail?
At Wales guide rates, a 20 m² extension roof in EPDM with a new deck and insulation comes to £2,600–£4,500 including VAT. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Extension (20 m²), EPDM, new deck + insulation | £2,600–£4,500 |
| Single garage (18 m²), torch-on felt | £1,400–£2,400 |
| Extension (20 m²), GRP, new deck + insulation | £2,750–£4,950 |
| Single garage (18 m²), EPDM rubber | £1,450–£2,600 |
Which system should I replace my flat roof with?
The right system depends on the roof's size, shape, use and number of details, so no single material suits every roof. These are the usual starting points:
- EPDM rubber suits simple, rectangular roofs, where one sheet can often cover the area with few or no joins.
- GRP fibreglass suits roofs with many corners, rooflights or edges, and gives a rigid surface for occasional maintenance traffic.
- Torch-on felt is a layered, hard-wearing system that keeps the cost down on larger or plain roofs.
- Liquid-applied systems handle awkward details and can overlay a sound existing surface.
- Single-ply and mastic asphalt are more usual on commercial roofs, blocks and terraces.
We recommend a system at survey and explain why. Our EPDM vs GRP vs felt guide sets out the trade-offs if you want to compare first.
What's included?
- Strip-out of the old covering, with waste and skip
- Fixed written quote listing the full build-up
- Free survey of the deck, falls, edges and insulation
- New membrane, upstands, edge trims and outlets
Building regulations in Wales
The Welsh Approved Document L applies. Renovating more than half of a roof over a heated room means upgrading it to around 0.16 W/m²K where feasible, and new extension roofs are built to 0.13 W/m²K. Welsh Government guidance is that most re-roofing needs building control approval, so check whenever more than a quarter of a roof is replaced or repaired. We deal with the application as part of the job. More on the rules.
Which nearby areas do we also cover?
Flat roof replacement in Tonyrefail: questions
Do you cover Tonyrefail?
Yes. Tonyrefail is part of our Rhondda Cynon Taf coverage, including postcode districts CF39. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.
Who checks building regulations for a flat roof in Tonyrefail?
Where the work needs approval it goes to Rhondda Cynon Taf County Borough Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.
How much does a flat roof replacement cost in Tonyrefail?
£2,600–£4,500 for a 20 m² extension roof in EPDM with a new deck and insulation, at Wales guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
What guarantees come with a replacement roof?
Every re-roof comes with a written workmanship guarantee, with the length set out in your quote. Manufacturer material guarantees are available on many systems and we register them for you where the system allows; ask about insurance-backed options too.
Will a replacement make my roof higher?
Usually a little, if insulation is added above the deck. We check door thresholds, window sills, upstands and wall flashings at survey so the new level works.