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How to Spot Signs your Roof is Leaking

Roofing Facts:

Roofs last 20-30 years

Roofs are only intended to last 20 – 30 years

Garden roof

5% increase in roof gardens planned in London by 2030

Thatched roof

Thatch is likely to have been used for roofs as early as 5000 BC

Leaky roof

A roof leak can be up to 20ft away from the source due to water travelling before falling

Common Signs of a Leak:

A roof is the main protection for a property and its contents, so if you suspect a leak, there are some signs to look out for and assess the appropriate action.

Sign 1: Damp patches on ceilings or water pooling within the attic
Sign 2: Missing tiles where water could enter
Sign 3: Loose or damaged flashing
Sign 4: Sagging in the centre of the roof where water has settled and caused damage
Sign 5: Water Signs on either Interior or Exterior walls

If you have noticed any of these be aware they can cause significant damage to a property if ignored and actually cost more in the long run rather than repairing or replacing the damage when first spotted.

As well as the risk to the overall structure of the property there is significant issues with water causing problems with electrics, which, if you ignore, could cause far more complicated repairs.


There can be many causes for a roof to leak, but the main reasons are high winds and constant rainfall over a short period. The combination of both of these things is detrimental to an already weak exterior so checking damage to your roof needs to be done regularly.

Check List

  • Full guttering – don’t allow leaves and moss to build up as water left in the gutters and seep into walls
  • Loose shingles – it doesn’t take much for shingles to move or dislodge and cause damage to anything below
  • Signs of drips or running water from the roof or gutters
  • Dampness on rafters or around chimneys
  • Movement, curling or the buckling of shingles
  • Cracks, tears, blisters or splitting on the surface of flat roofs

What To Do Next?

  • Get an assessment of your roof, which will confirm the suspected damage.
  • If you feel you can do this yourself, ensure you are checking every aspect of the roof and have the safety equipment to conduct the search.
  • Alternatively, use a professional company who will be able to conduct the search, provide a quote and book the repairs or replacement in all at the same time.
  • Decide whether you need to repair or replace the roof
  • A company can give you the options for repairs or replacement. As roofs are only stood to last 20 – 30 years, it may be time to look at replacing it rather than invest in constant repairs.
  • Repairs can often be done easily but it is about assessing the expense.
  • Of course, don’t shy away from repairs if your roofer feels the rest is in good nick. There is no need to invest a large amount of money if there are no concerns about the leaks increasing or further damage occurring.

Additional Concerns Caused by Damaged Roofs

Loose tiles can fall and either hurt someone or damage property such as cars or gardens below

Structural damage to rest of the property including the weakening of mortar, bricks and interior walls.

Rotting of wood which can weaker the structure and cause the collapse of ceilings and rafters.

In colder months leaks can enter crevices and repeatedly freeze and contract which can cause problems across the property.

If you have concerns in regards to your roof and need some expert advice, then get in touch with one of our team today by calling 01923 590 313 or completing our online enquiry form.