Leaking Roof
Water coming through the roof into the loft space or directly through the ceiling, often during or after rainfall.
What Is Causing This?
- 1Cracked, slipped, or missing tiles or slates
- 2Deteriorated flashing around chimneys or walls
- 3Damaged or worn felt underlay
How Urgent Is This?
This needs prompt attention. Delaying could cause further damage, safety risks, or significantly higher repair costs.
What Needs to Be Done
A roofer will locate the entry point, which may differ from where the stain appears inside. They will replace damaged tiles, reseal flashings, or repair the underlay as needed.
How Much Will It Cost?
National average estimate
Labour: £975 – £2,575 | Materials: £725 – £2,050
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Ask a QuestionPlanning Permission Guidance
Some fixes for this problem may require planning permission or building regulations approval. Check if your project needs permission:
How to Prevent This
Keep gutters clear so water flows off the roof freely. Inspect flashings and lead work annually. Act quickly on any damp patches in the loft.
Related Problems
One or more roof tiles have slipped, cracked, or blown off, leaving exposed areas on the roof.
Lead or mortar flashing around a chimney, wall junction, or skylight is lifting, cracking, or pulling away.
A discoloured, wet, or bubbling patch on the ceiling, often brown or yellow, that may grow over time.
Visible moisture, water droplets, or damp patches on the underside of the roof felt or rafters in the loft space.
Other Roofer Problems
One or more roof tiles have slipped, cracked, or blown off, leaving exposed areas on the roof.
The ridge line along the top of the roof has a visible dip or sag instead of running straight.
Rainwater overflows from the guttering during rainfall, running down the outside walls of the house.
Thick green moss growing across roof tiles, particularly on the north-facing side of the roof.