What should I ask if a roofer says I need a complete new roof?

The short answer

Ask what has failed, where the evidence is, and why a repair would not hold. Ask whether one slope could be renewed instead of the whole roof, what condition the fixings and underlay were found in, and what could not be inspected. A sound recommendation survives all of those questions comfortably.

What evidence should you look for?

A recommendation for full renewal with no close photographs of the defects behind it.

What it can mean: The evidence has not been shared with you, whatever its quality.
What else could explain it: The assessment may be well founded and simply not written down — asking usually clears it up.

Investigate · Inspection needed to confirm

What could this mean?

Renewal is sometimes exactly the right answer. The test is not whether it is recommended, but whether the evidence behind it can be shown and explained.

What should you be shown before agreeing to the work?

Close photographs of the defects that justify renewal
The condition of fixings, battens and underlay where examined
Why repair or partial renewal was ruled out
How many separate defects were found, and where
What could not be accessed or seen

Not every job needs every item. The point is that whatever is recommended should be supported by evidence you can see and a scope you can read.

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What should you do next?

Take the time to get a second assessment. Reputable contractors expect it on work of this size.

Reviewed by Aaron, Owner, Elite Roofing Services Cumbria Ltd — last reviewed 17 September 2026.

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