Common Roofing Problems in Canterbury (and How to Fix Them Before They Get Worse)
Canterbury’s mix of historic homes, Victorian terraces and newer developments means roofing problems are extremely common across the area. From cracked tiles and moss growth to leaking flat roofs, most issues start small — but can quickly become costly if ignored.
Here are the most common roofing problems in Canterbury, why they happen, and how to fix (or prevent) them before they lead to serious damage.
1. Cracked or Missing Roof Tiles
Strong winds, ageing materials and previous poor repairs often cause tiles to crack or slip.
How to spot it:
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- Visible gaps in the roof
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- Debris or tiles found on the ground
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- Water staining in loft spaces
How to fix it:
Replacing damaged tiles quickly prevents leaks and structural damage. Even small gaps can allow water to seep through Canterbury’s typically damp climate.
2. Moss and Algae Growth
Moss thrives in Canterbury due to moisture, shade and older roofing materials.
Why it’s a problem:
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- Lifts and weakens tiles
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- Blocks gutters
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- Keeps roof surfaces damp
Solution:
Professional moss removal and preventive treatments help protect the tiles and reduce future buildup.
3. Leaking Flat Roofs
Flat roofs are common on extensions and garages throughout Canterbury — and are prone to water pooling.
Signs of trouble:
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- Damp patches on ceilings
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- Blistering or bubbling felt
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- Puddles forming after rain
Fix:
Repairs may include patching, new membranes or a full replacement with modern materials such as EPDM or GRP.
4. Blocked or Damaged Gutters
Leaves, moss and debris build up quickly, especially in tree-heavy areas like Sturry, Fordwich and Thanington.
Risks include:
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- Overflowing water
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- Damp walls
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- Fascia damage
Solution:
Regular gutter cleaning prevents water from seeping into brickwork or roof edges.
5. Loose Flashing Around Chimneys & Valleys
Chimneys are common in Canterbury’s older housing stock — and the flashing around them often deteriorates.
Look out for:
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- Water stains on upper floors
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- Gaps around the chimney stack
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- Visible lifting or cracking of flashing
Fix:
Re-sealing or replacing flashing ensures watertight protection.
6. Condensation & Poor Ventilation in the Loft
Older Canterbury homes often lack adequate airflow.
Problems caused:
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- Mould growth
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- Damp insulation
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- Wood rot
Prevention:
Roof ventilation upgrades help the loft breathe and stay dry year-round.
7. General Wear and Tear From Age
Many Canterbury roofs are 20–60 years old and approaching the end of their lifespan.
Signs include:
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- Sagging ridgelines
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- Patchy, uneven tiles
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- Frequent minor leaks
Solution:
A full survey will confirm whether repair or replacement is the best long-term option.