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Roofer repointing a brick chimney stack with new lead flashing

Chimney Repairs & Repointing in Cardiff

Most 'chimney leaks' are actually lead-work failures — the roofers we route you to diagnose the real entry point before quoting anything. Covering CF10, CF14, CF23, CF64, CF24, CF5.
CF10CF14CF23CF64CF24CF5
Find Trusted Roofers connects homeowners across Cardiff and its surrounding areas with local roofers who work on the area's roof types.

Chimney Repairs in Cardiff

Cardiff's older terraces in Splott, Cathays and Grangetown were mostly built with a chimney stack rising through a Welsh slate roof, and those stacks now carry decades of weather on brick and mortar that was never built to last forever. Frost-shattered joints, cracked flaunching and failed lead flashing where the stack meets the slate are the usual complaints, and getting the diagnosis right matters before any money is spent.

Chimney repairs in Cardiff typically involve repointing or lead flashing renewal on stacks rising through the city's Welsh slate roofs. Repointing costs around £400–£1,000 depending on access; leadwork repairs are quoted separately once the actual leak source is diagnosed.

Roofing in Cardiff — what local roofers know

Across Cardiff Council's area, chimney stacks on the Victorian and Edwardian terraces of Roath, Splott and Grangetown, and the inter-war semis of Whitchurch and Rhiwbina, sit on roofs dominated by Welsh slate and clay tile, and the junction between chimney and slate is where a large share of local leaks start. The city's Moderate exposure rating means it's spared the harshest coastal weather, but named storms including Storm Eunice (2022) have still loosened flashings and ridges around chimney stacks in postcodes such as CF5 and CF24. Older housing stock with original pitched roofs, common across much of the city, is particularly prone to worn valleys and perished underlay around chimney bases, which is exactly where a proper leadwork inspection earns its keep.

  • Traditional Welsh slate roofs needing like-for-like repair rather than tile substitution
  • Wind damage from recent named storms (Storm Eunice) loosening tiles, ridges and flashings
  • Older housing stock with original pitched roofs prone to slipped tiles, worn valleys and perished underlay

How it works in Cardiff

  1. 1 Tell us once. Describe the job and your postcode. It takes under two minutes and there's no phone call to sit through.
  2. 2 We match you locally. We pass your request to a roofer in our network who covers CF10/CF14 and works on your roof type.
  3. 3 You get a proper quote. The roofer surveys the roof and quotes in writing before any work begins. You choose whether to go ahead.

Chimney Repairs costs in Cardiff

Every job is quoted after a proper look at the roof, since access, materials and condition all change the price. Beware of anyone quoting a fixed figure over the phone. See the Chimney Repairs & Repointing FAQs below, or our roofing costs guide for realistic UK price ranges, and request quotes to get real numbers for your roof in Cardiff.

Looking for chimney repairs outside Cardiff? Read about chimney repairs & repointing nationwide, or see all roofing services in Cardiff.

Roofing in Cardiff

Local facts a good roofer factors in before quoting.

Population
362,756
Postcode districts
CF10CF14CF23CF64CF24CF5
Council
Cardiff
Dominant roof types
Welsh slateclay tile
Weather exposure
ExposureModerate
CoastalNo
Common local roofing issues
Traditional Welsh slate roofs needing like-for-like repair rather than tile substitutionWind damage from recent named storms (Storm Eunice) loosening tiles, ridges and flashingsOlder housing stock with original pitched roofs prone to slipped tiles, worn valleys and perished underlay

This information helps the roofers in our network quote accurately.

Illustrative example of typical work

A typical chimney repair job in Cardiff

Area:
Cardiff
Service:
Chimney Repairs & Repointing

A homeowner in the Whitchurch area noticed a damp patch on a chimney breast wall inside the house after a spell of heavy rain. They requested a quote, were matched with a local chimney specialist, and had the stack inspected from a scaffold tower. The roofer identified failed lead flashing at the base of the stack rather than the brickwork itself, and provided a written quote for the leadwork repair.

This describes typical work carried out by roofers in our network. Names and specific details have been omitted to protect customer privacy.

Chimney Repairs in Cardiff — FAQs

Why do so many Cardiff chimneys leak around the base rather than the brickwork?

On the city's Welsh slate roofs, the lead flashing where the stack meets the slate is often the actual point of failure, not the brick or mortar above it. A roofer should check the flashing and flaunching before assuming repointing alone will solve the leak.

Has storm damage affected Cardiff chimneys?

Storm Eunice in 2022 loosened tiles, ridges and flashings across the city, and chimney stacks — being the highest and most exposed point of most roofs — often bore the brunt of it. If your chimney flashing hasn't been checked since, it's worth an inspection.

How much does chimney repointing cost?

Repointing a typical stack costs around £400–£1,000 depending on height, access and whether scaffolding or a tower is needed. Access is often half the cost of any chimney job, so combining chimney work with other roof repairs can save money.

How much does chimney repointing cost?

Repointing a typical stack costs around £400–£1,000 depending on height, access and whether scaffolding or a tower is needed. Access is often half the cost of any chimney job, so combining chimney work with other roof repairs saves money.

Why is water coming in around my chimney?

The most common causes are failed lead flashing where the stack meets the tiles, cracked flaunching on top of the stack, and porous or frost-damaged brickwork absorbing water. Each has a different fix, which is why proper diagnosis matters more than a quick smear of sealant.

Should I cap a chimney I don't use?

Yes — a capped, ventilated flue keeps rain and birds out while letting the stack breathe. Sealing a flue completely with no ventilation traps moisture and causes damp inside the chimney breast.

Can my chimney be repaired, or does it need rebuilding?

If the brick faces are spalled (blown) or the stack leans, a partial rebuild from the roofline up is often the durable answer. If the bricks are sound and only the joints have weathered, repointing does the job at a fraction of the cost.

Chimney Repairs near Cardiff

We connect homeowners with local roofers across the towns around Cardiff. Pick a town to see local roofing coverage.

Our Cardiff service area

Find Trusted Roofers connects homeowners across Cardiff and its surrounding areas with local roofers who work on the area's roof types. The roofers in our network cover the CF10, CF14, CF23, CF64, CF24, CF5 postcode districts. Nearby coverage includes Bristol, Southampton, Birmingham, Coventry, London.

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