Conwy at a glance
- Largest towns
- Colwyn Bay, Llandudno, Abergele
- Postcode areas
- LL
- Building control
- Conwy County Borough Council
- Neighbouring areas
- Denbighshire · Gwynedd · Flintshire · Wrexham
- Guide price region
- Wales (−8% on West Midlands rates)
Which towns in Conwy do we cover?
3 towns and cities have their own page; we cover everywhere in between too.
What does a flat roof cost in Conwy?
Guide prices at Wales rates, including VAT. The fixed price comes after a survey.
| Job | Guide price inc VAT |
|---|---|
| Porch or bay (4 m²), EPDM | £700–£1,150 |
| Emergency temporary weatherproofing visit | £170–£410 |
| Extension (20 m²), EPDM, new deck + insulation | £2,600–£4,500 |
| Extension (20 m²), felt, new deck + insulation | £2,500–£4,300 |
| Extension (20 m²), GRP, new deck + insulation | £2,750–£4,950 |
| Single garage (18 m²), torch-on felt | £1,400–£2,400 |
Which flat roofs are common in Conwy?
Local weather shapes the specification. 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. Across Conwy, flat roofs are typically found on bungalows with flat-roofed side extensions and dormers, 1960s and 1970s link-detached houses with flat-roofed garages and porches and newer estates where the first extension roofs are now being replaced. Approximate 1991–2020 regional averages based on Met Office data.
Which flat roof jobs do we take on in Conwy?
Dormer roofs
If your dormer in Conwy was added years ago with a basic felt roof and little insulation, it will tend to fail at the edges first, and they leave the loft room cold in winter and hot in summer. A warm-roof replacement deals with both problems at once.
Flats, HMOs and block roofs
Leaseholders in Conwy want to see where their money goes. Our itemised quotes show each element of the job separately, including scaffold, insulation and provisional sums for hidden defects, which makes them easier to share and compare when the freeholder or agent is consulting on the work.
Torch-on felt roofing
Torch-on is a good fit in Conwy when the budget matters but quality cannot slip. Modern polyester-reinforced membranes typically last 15 to 25 years, high-performance systems longer, and manufacturer material guarantees are available on many specified systems, registered where the system allows.
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 services do we offer in Conwy?
- Liquid-applied roofing
- Porch, bay and canopy roofs
- Torch-on felt roofing
- Mastic asphalt roofing
- Dormer roofs
- Balconies and roof terraces
- Flat roof replacement
- Green and sedum roofs
- Flats, HMOs and block roofs
- Flat roof surveys and leak tracing
- Rooflights in flat roofs
- GRP fibreglass roofing
- Edge trims, outlets and drainage
- Warm roof insulation upgrades
- EPDM rubber roofing
- Commercial flat roofing
- Single-ply membrane roofing
- Flat roof repairs
- Garage roofs
- Extension and kitchen roofs
- Emergency leak repairs
Flat roofing in Conwy: questions
Do you cover all of Conwy?
Yes. We cover the whole of Conwy, including Colwyn Bay, Llandudno, Abergele. If your town isn't listed, send your postcode and we'll confirm.
Which postcode areas do you cover in Conwy?
All of Conwy, including the LL postcode areas. Send your full postcode and we'll confirm.
Which roofing systems do you fit in Conwy?
EPDM rubber, GRP fibreglass, torch-on felt, liquid-applied and single-ply, plus mastic asphalt repairs. The survey decides which suits your roof.
Which council handles building control for a flat roof in Conwy?
It depends on where the roof is: in Conwy that's Conwy County Borough Council. Welsh guidance is that most re-roofing needs building control approval, so it's worth checking whenever more than a quarter of a roof is replaced or repaired. We confirm which applies at the survey.
