GNP Roofing Building Ltd is one of the leading chimney repair Ealing specialists that homeowners call, with more than 15 years’ experience on chimney stacks across West London’s period and modern homes. We are fully insured, and every structural repair carries a written 10-year workmanship guarantee.
Browse our complete Ealing roofing services page for the full picture of what we do.
Quick Answer
If your chimney is leaking, cracked, or showing signs of movement in Ealing, GNP Roofing offers chimney repair and repointing across W5, W7 and W13, as well as Southall, Hayes, Hounslow, Hanwell, Greenford, Acton, Northolt, Uxbridge, Brentford, Wembley, Harrow, Hillingdon and Slough. We repoint brickwork, replace damaged flaunching and pots, and fit new lead flashing where the chimney meets the roof. Overall, minor chimney repairs typically start from £180–£450, confirmed in writing before any work begins. Call 07424 323113 for a free survey.
Key Facts at a Glance
- Chimney repointing, flaunching, and pot replacement across Ealing and nearby areas
- New lead flashing fitted where chimneys meet the roof, a common source of leaks
- Minor repairs from £180–£450; full rebuilds quoted after a free survey
- Fully insured, with a written 10-year guarantee on structural chimney work
- 15+ years serving Ealing, Southall, Hanwell, Greenford, Acton and surrounding areas
Why Chimneys Need Regular Repair
A chimney stack takes the worst of the weather on any roof. It stands higher than the surrounding tiles, so it is exposed to wind, rain, and frost from every side. As a result, mortar joints erode over time and let water into the brickwork. In cold weather, that trapped water can freeze and crack the bricks from the inside, a process the RICS refers to as frost damage.
In fact, many leaks blamed on the roof actually start at the chimney. The lead flashing that seals the joint between the chimney and the roof covering is one of the most common failure points we find, especially on older properties where the original lead has moved or perished.
Chimney Repair Ealing: Services We Offer
Repointing. We rake out failed mortar joints and repoint with a matching mix, so the repair blends with the existing brickwork rather than standing out.
Flaunching repair and replacement. The mortar bed around the chimney pots often cracks first. We replace it to stop water tracking down inside the stack.
Chimney pot replacement. Cracked or leaning pots are replaced to match your existing style, including traditional clay pots on period properties.
Lead flashing repair. We refit or replace the lead flashing and soakers where the chimney meets the roof, the single most common cause of chimney-related leaks.
Chimney stack rebuilds. Where a stack has deteriorated badly, we rebuild it to match the original brick bond and pointing style.
Signs Your Chimney Needs Repair
Damp patches near the chimney breast inside the house. Usually points to failed flashing or badly eroded pointing.
Consequently, crumbling or missing mortar joints appear. Visible from ground level with binoculars, and a sign that repointing is due before water gets further into the brickwork.
A leaning or visibly out-of-true stack. This can indicate the mortar has failed structurally, not just cosmetically, and therefore needs urgent attention.
Debris in the fireplace or flue. In particular, loose mortar or brick fragments falling into a working fireplace are a sign of internal deterioration.
Staining on the chimney breast or roofline. This is often traced back to the lead flashing rather than the brickwork itself.
Chimney Repair Across Ealing and Nearby Areas
W5 (Ealing Broadway & South Ealing): Tall Victorian and Edwardian chimney stacks are common here, often needing repointing and lead flashing renewal after decades of weathering.
W7 (Hanwell & Boston Manor): Interwar semis typically have shorter, simpler stacks, where flaunching and pot replacement are the most frequent repairs.
W13 (West Ealing & Drayton Green): A mix of period and later properties. Where a stack is beyond repair, we can also advise alongside our roof replacement service if the roof covering needs attention too.
Southall & Hayes (UB1, UB2, UB3, UB4): Our home base — we’re on Scotts Road in Southall, so chimney repointing and repair jobs across Southall and Hayes get fast turnaround with no long call-out distance.
Acton, Hounslow & Hanwell (W3, TW3, W7): We regularly carry out chimney repair and repointing work across Acton, Hounslow and Hanwell as part of our wider West London coverage.
Harrow & Wembley (HA1, HA9): Further north, we cover Harrow and Wembley for chimney repointing, flashing repairs and stack rebuilds.
Our Chimney Repair Process
- Free survey. We inspect the stack, pointing, flaunching, pots, and flashing from close up, not just from ground level.
- Written, itemised quote. No work starts until you’ve seen and approved a clear price.
- Repair or rebuild. We recommend whichever genuinely fixes the problem, not the bigger job.
- Matched materials. Brick, mortar mix, and pots matched to your existing chimney.
- Guaranteed workmanship. Structural chimney repairs carry our written 10-year guarantee.
Frequently Asked Questions
How much does chimney repair cost in Ealing?
Minor repairs such as repointing or pot replacement typically start from £180–£450. A full stack rebuild is priced individually after a free survey, depending on height and access.
Do I need scaffolding for chimney repair?
It depends on the height and pitch of your roof. We assess access during the free survey and include any scaffolding cost in the written quote upfront, with no surprises later.
Can you match the brick and pointing on a period chimney?
Yes. We match the mortar mix, brick, and pointing style to your existing chimney, which matters most on Victorian and Edwardian stacks with distinctive detailing.
Is a leaning chimney dangerous?
It can be, if the lean is caused by structural mortar failure rather than just cosmetic weathering. We recommend a free survey as soon as you notice visible movement.
What areas do you cover for chimney repair?
Alongside Ealing itself (W5, W7, W13), we cover Southall, Hanwell, Greenford, Acton, Hayes, Hounslow, Northolt, Brentford, Wembley, Harrow, Hillingdon, Uxbridge, Slough, .
Call Now for Chimney Repair in Ealing
A deteriorating chimney causes damp and structural damage the longer it’s left. GNP Roofing Building Ltd offers free surveys and chimney repair across Ealing, West London, and the wider surrounding area.
Call 07424 323113 now, or request a callout online and we’ll get back to you as quickly as possible.
GNP Roofing Building Ltd · 94 Scotts Road, Southall, England, UB2 5DE · info@gnproofingltduk.co.uk