5 Common Roofer Problems and When to Call a Professional
Some problems are safe to investigate yourself; others get more expensive the longer they're left, or more dangerous the more you touch them. Here's how to tell the difference with the issues roofers see most often.
The problems that come up most
These are the jobs roofers are most commonly booked for. Catching them early almost always costs less:
- slipped or missing tiles after storms
- a leaking valley between roof slopes
- crumbling mortar on ridge tiles
- blocked or sagging gutters overflowing in rain
- moss build-up lifting tiles
What you can safely check yourself
Before calling anyone, gather information: when the problem started, whether it's getting worse, and clear photos. This helps a professional give you a realistic first assessment and helps you describe the job accurately when collecting quotes.
Basic observation is always safe; DIY repair is not always. If the problem involves gas, electrics, working at height or the structure of your home, stop at observation and call a professional.
Signs it's time to book someone
Book a professional when the problem is getting worse, when it involves safety, when your own attempts haven't held, or when you simply don't know the cause. A correct diagnosis is usually cheaper than a wrong repair.
For context on cost: Roofers usually charge £150–£250 per day per person, and most repairs are quoted as a fixed price. Scaffolding, where needed, is often a separate £600–£1,200.
Choosing who to call
Roofing is unlicensed, but National Federation of Roofing Contractors members are vetted and insured. For insurance-backed guarantees on larger jobs, ask who underwrites the guarantee and get the certificate in writing.
Check recent reviews before booking — Hammerscore company pages for roofers combine ratings from several platforms, and the low-star reviews tell you most about how problems were handled.
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