
Roof problems, diagnosed
Find your symptom below and get a straight answer: what it means, how urgent it is and what a proper fix costs. If it needs a professional, get up to three free quotes from vetted local roofers.
Find your symptom
Every guide is written the same way: what you are seeing, what is causing it, whether you can wait, and what the fix should cost.
Leaking roof
What to do right now, how roofers trace the source and what stopping it costs.
Leak guide →Damp patch on ceiling
Roof leak, condensation or plumbing? How to tell the difference before you pay anyone.
Damp patch guide →Moss on roof
Whether moss actually damages a roof, and how to remove it without wrecking the tiles.
Moss guide →Condensation in loft
Why lofts drip in winter, and the ventilation fixes that solve it for good.
Condensation guide →Missing & slipped tiles
Why tiles slip, what putting them back costs and why waiting makes it dearer.
Slipped tile guide →Sagging roof
What a dip in the roofline really means, from harmless settlement to structural trouble.
Sagging roof guide →Storm damage
Checking your roof safely after high winds, and how to claim on buildings insurance.
Storm damage guide →Flat roof ponding
Standing water on a flat roof: when it matters, when it does not and how it is cured.
Ponding guide →Failing felt roof
Blisters, cracks and bald patches: when a felt roof can be repaired and when to replace it.
Felt roof guide →Leaks only in heavy rain
Why a roof leaks in downpours but stays dry in drizzle, and what that clue points to.
Heavy rain guide →Insurance & roof leaks
What buildings insurance actually covers, what it never does and how to claim properly.
Insurance guide →Who pays in a flat?
Leaseholder or freeholder: who is responsible for roof repairs in a flat, and how to act.
Leasehold guide →Asbestos roofs
Identifying asbestos cement roofing, the legal rules and your repair or removal options.
Asbestos guide →Birds & pests in the roof
Pigeons under the tiles, wasps in the eaves: getting them out and keeping them out legally.
Pest guide →Cracked ridge tiles
Why ridge mortar fails, what loose ridges risk and the modern dry-fix cure.
Ridge tile guide →Stop guessing. Get it looked at.
Describe the symptom in 60 seconds and up to three vetted local roofers will diagnose the cause and quote the fix. Free, no obligation.