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Breakdown of roof replacement costs in 2025

Estimated roof replacement project cost:

• Hip roof cost £9,250 – £18,000 per project / £145 – £285 per m²
• Gable roof cost £7,000 – £16,250 per project / £110 – £260 per m²
• Flat roof cost £2,800 – £7,500 per project / £45 – £120 per m²
• New roof structure £6,500 – £20,000 + per project

(Source: Checkatrade)

Factors affecting cost:

• Components – solar panels and Velux windows.
• Design reconfiguration – increasing complexity from flat roof to pitch roof.
• Project length: more labour hours and hire time of equipment like scaffolding etc.
• Materials and finish: quantity and quality of material (design plays a part influencing how much material is used)
• Support services: scaffolding, removing materials inc. skips