ACE London Roofing are Central London's trusted chimney repair specialists. From crumbling brickwork and damaged flaunching to collapsed stacks and faulty lead flashing — our expert team diagnoses and repairs all chimney problems safely, professionally, and to the highest standard. Don't ignore a damaged chimney — it's one of the most common causes of roof leaks and structural water ingress.
Chimney Repair Services We Offer
We handle every aspect of chimney repair and restoration across Central London, from minor repointing to full stack rebuilds.
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Chimney Repointing
Crumbling mortar repointed
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Lead Flashing Repair
Step & soaker flashing fixed
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Chimney Stack Rebuild
Partial & full rebuilds
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Flaunching Repair
Cracked cement bed replaced
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Chimney Pot Replacement
Broken & loose pots replaced
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Chimney Capping & Sealing
Unused stacks sealed safely
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Chimney Waterproofing
Clear sealant treatment
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Damp & Leak Tracing
Chimney-related water ingress
Why Chimney Repairs Can't Be Ignored
A damaged chimney stack is one of the most overlooked sources of serious roof problems in Central London. Cracked mortar, failing lead flashing, and broken flaunching allow rainwater to penetrate deep into your roof structure — causing rot, damp, mould, and costly internal water damage that is often only discovered months later.
London's Victorian and Edwardian properties are especially susceptible — many chimney stacks have never been properly maintained and are at risk of partial collapse. Our team provides fast, safe repairs and honest assessments. If your chimney only needs repointing, we'll tell you — we won't oversell you a full rebuild.
Our Chimney Repair Process
1
Free Chimney Inspection
Our surveyor carries out a thorough inspection of your chimney stack, flashing, flaunching and mortar joints — identifying all areas of concern at no cost.
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Detailed Written Quote
We provide a clear, honest, itemised quote. You'll know exactly what needs doing and why — with no pressure and no hidden extras.
3
Scaffold or Access Setup
Where needed, safe scaffolding or elevated access platforms are erected to allow our team to work safely at height — fully compliant with UK regulations.
4
Expert Repair Work
All repairs are carried out using high-quality materials — matching your existing brickwork and using industry-standard lead for flashing. Neat, professional finish guaranteed.
5
Final Inspection & Guarantee
We conduct a final quality check and photograph the completed work. All chimney repairs come with our workmanship guarantee for your peace of mind.
Our Recent Chimney Work
Stack Rebuild — Hackney
Repointing — Islington
Lead Flashing — Westminster
Frequently Asked Questions
How do I know if my chimney needs repairing?
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Common signs include damp patches on internal walls near the chimney breast, crumbling mortar visible from the ground, loose or missing chimney pots, water stains on ceilings, or tiles lifting around the chimney base. If you notice any of these, book a free inspection — catching problems early saves significant money.
How much does chimney repair cost in Central London?
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Minor repointing typically starts from £200–£400. Lead flashing repairs range from £300–£700 depending on the extent. A full chimney stack rebuild can range from £800 to £2,500+. We always provide a free, detailed written quote so you know the exact cost upfront.
Is scaffolding always required for chimney repair?
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Not always. For lower or accessible chimneys, our team may use specialist roof ladders or cherry pickers instead. Scaffolding is erected when required for safety and to ensure the highest quality of work. We always use the safest and most cost-effective access method for each job.
Can you repair a chimney that's no longer in use?
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Yes. Unused chimneys are actually more prone to damp and structural deterioration. We can cap, seal, or partially remove unused stacks to prevent water ingress while maintaining the external appearance of your property. This is a popular and cost-effective solution for Central London homes.
Do you match the existing brickwork when rebuilding a chimney?
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Yes. We take great care to source bricks that closely match your existing stack in colour, texture and size. For listed buildings and conservation areas in Central London, we work with appropriate heritage materials and can advise on planning requirements if applicable.