The cost of roofing materials can vary significantly, depending on the type and quality of the materials used. Some of the most common roofing materials include:

• Asphalt shingles: £30-£50 per square meter
• Clay tiles: £50-£100 per square meter
• Slate tiles: £80-£150 per square meter
• Metal roofing: £60-£120 per square meter
• Flat roofing: £40-£80 per square meter

If you're considering installing a new roof, the cost will depend on the size of the property and the type of roof you choose. A new roof can cost anywhere from £5,000 to £15,000 or more, depending on the complexity of the job.
If you're looking to replace an existing roof, the cost will depend on the condition of the roof and the materials used. On average, a roof replacement can cost anywhere from £3,000 to £10,000 or more.

Roofing insulation is an essential aspect of any roofing project, as it helps to reduce heat loss and energy bills. The cost of roofing insulation can vary depending on the type and quality of the materials used. On average, the cost of roofing insulation can range from £500 to £2,000 or more.