Compare the scope first
There is no dependable single price for this work without seeing the roof. Ask each provider for an itemised written proposal based on the same property details and inspection findings.
- Inspection of the existing covering and substrate
- Material and drainage proposal with edge details
- Insulation, access, waste and workmanship terms
Costs that may sit outside the headline
Ask whether safe access, scaffolding, waste removal, materials, roof deck or timber repairs, weather protection and any follow-up visit are included. The relevant items depend on the project; do not add them twice if they are already in the quote.
Compare up to three proposals
Put the specifications side by side. Record exclusions, payment stages, start dates and material and workmanship warranties. A useful comparison checks both price and what you receive.