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Process · Detail

Choosing a dormer and signing the contract

Once the quotes are in, the real decision begins. This guide helps you compare fairly, choose the right company, and sign a contract you can rely on.
6 min leestijd·Onafhankelijke informatie

Short answer

Compare at least three quotes line by line. Choose the company that gives a clear scope, fair payment schedule, and strong warranty, not just the lowest price. Then sign a contract that includes all of those details.

Compare quotes

Lay the quotes side by side and create a simple spreadsheet. If one quote is missing a major item, ask for it to be added before you compare.

  • Scope — exact dimensions and finish level.
  • Materials — cladding, frames, glazing, insulation by brand or grade.
  • Work included — permit, crane, transport, interior finishing, waste removal.
  • Terms — payment schedule, warranty, lead time, start date.

Make the choice

Price is only one factor. Consider the quality of the home visit, the clarity of the quote, references, and how the company handles questions.

  • Did they measure the roof properly?
  • Did they answer technical questions confidently?
  • Can they show recent references for similar dormers?
  • Is their warranty backed by insurance or a trade scheme?
  • Do they feel organised and responsive?

Sign the contract

Before signing, read the contract fully. Check that it references the accepted quote or a detailed schedule, and that the payment terms match your understanding.

The full checklist

Checklist

Before signing

  1. 01I received at least three written quotes.
  2. 02All quotes are based on the same brief.
  3. 03I compared scope, materials, work included and terms.
  4. 04I checked references and recent work.
  5. 05I understand the warranty and who backs it.
  6. 06The contract includes the accepted quote or schedule.
  7. 07Payment schedule is fair and protects me.
  8. 08Start date and lead time are written down.
  9. 09Permit responsibility is clear.
  10. 10I know the cancellation or cooling-off terms.

FAQ

FAQ

Veelgestelde vragen

01How many quotes should I get for a dormer?
At least three. Comparing three written quotes makes it much easier to spot what is missing or where one company is unusually cheap or expensive.
02How do I compare dormer quotes?
Line by line. Check scope, materials, glazing, insulation, warranty, permit handling and payment schedule. The cheapest total is rarely the best value.
03Is there a cooling-off period for a dormer contract?
Yes, in many jurisdictions, if you sign the contract away from the company's business premises. Check the contract terms and local consumer law.
04What should be in the contract before I sign?
Scope, materials, dimensions, dates, price, payment schedule, warranty, permit responsibility and dispute procedure.
Conclusie
The right choice is usually the company that makes the project feel simple, not the one with the cheapest number. A clear contract turns that confidence into a binding plan.