Full Re-Roof Costs in Wales 2026
A full roof replacement in Wales varies significantly based on size, roof type, and material specification:
Concrete roof tiles (most common):
- 2-bed terrace: £4,500–£7,500
- 3-bed semi: £5,000–£9,000
- 3-bed detached: £6,000–£11,000
Welsh slate (traditional, conservation areas):
- 2-bed terrace: £7,000–£12,000
- 3-bed semi: £8,000–£15,000
- 3-bed detached: £10,000–£18,000
Spanish/imported slate (lower cost alternative):
- Typically 20-30% less than Welsh slate
- Lifespan similar but colour fade faster in UV
Scaffolding (£600–£1,200) should be included in any proper re-roof quote, confirm this before comparing prices.
Roof Repair Costs in Wales 2026
Not all roofing problems require a full replacement. Common repair costs:
- Replace single slipped slate or tile: £80–£200 (including scaffold if required)
- Repoint ridge tiles (full ridge): £400–£900
- Replace hip tiles (full hip): £500–£1,000
- Repoint chimney (pointing only): £350–£700
- Chimney stack rebuild: £1,500–£4,000
- Replace lead flashing: £250–£600 per section
- Flat roof patch repair: £150–£400
Roofing Materials in Wales
Welsh slate: The traditional roofing material for much of Wales. Sourced from quarries in Gwynedd (Penrhyn, Dinorwig) and used for centuries. Required in many conservation areas and listed buildings. Expensive but incredibly durable, properties re-roofed in Welsh slate 100 years ago may not need re-roofing again.
Concrete roof tiles: The dominant material for modern re-roofing in South Wales. Cheaper than slate, widely available, and quicker to lay. Good quality concrete tiles (Marley, Redland) have a lifespan of 40-60 years.
Clay roof tiles: More expensive than concrete but longer lasting. Required in some conservation areas as a period-appropriate alternative to slate.
Fibre cement slates: Cheaper imitation of natural slate. Acceptable in many conservation areas as a cost-effective alternative. Lifespan 25-40 years.
Wales-Specific Considerations
Wales's higher rainfall and more exposed locations (particularly coastal and upland areas) make specification important. Key questions for any roofer:
- What is the manufacturer's wind uplift rating for the tile/slate specified?
- Is underlay (breathable membrane) being replaced as part of the job?
- How are valley gutters, hip tiles, and ridge tiles being fixed, mechanically or mortar only?
- Are lead flashings being replaced or reused?
Mortar-only ridge and hip fixings were standard until recently but are now considered poor practice, mechanical fixing with mortar pointing is the current standard.
Finding a Roofer in Wales
Check NFRC (National Federation of Roofing Contractors) membership at nfrc.co.uk or TrustMark at trustmark.org.uk. Both run postcode searches.
Get 2–3 written quotes specifying the same material and scope. The cheapest quote may be excluding scaffolding, underlay replacement, or valley work, ask for an itemised breakdown.