Chimney repair quick cost guide
If your chimney is showing signs of wear like crumbling mortar or loose bricks, understanding the cost to fix it is key. Whether it’s repairing chimney flashing or repointing the chimney, this guide covers everything you need to know about chimney repair costs and what to expect.
In this cost guide we will talk about:
- Chimney repair average costs
- Chimney repointing cost
- Chimney flashing repair cost
- Repairing a chimney stack costs
- Hidden chimney repair costs to avoid
- How to keep your chimney in top condition
- Connect with verified chimney repair professionals on MyBuilder
- Common questions about chimney repair costs
Chimney repair average costs
Keeping your chimney well cared for helps you avoid costly repairs and keeps everything running smoothly. Regular check-ups and fixing problems early mean your chimney will last longer, keeping your home safe and cosy. It’s a simple way to protect your property and enjoy peace of mind.
The average chimney repair cost can vary based on the type and extent of the damage. Typically, repair costs can range from £500 to £2,000, depending on several factors.
| Repair Task | Cost |
|---|---|
| Chimney repointing | £500 – £2,000 |
| Chimney flashing repair | £250 – £1,200 |
| Chimney flue repair/relining | £800 – £1,500 |
| Chimney stack rebuild | £2,000 – £10,000+ |
| Minor repairs (cracks, bricks) | £150–£250 per day |
| Scaffolding (tower/per m²) | £300 / £20 |
Note: Regular chimney sweeping is a key part of preventive maintenance that can help you avoid costly repairs. For more details, see our chimney sweep cost guide.
Chimney repointing cost
Repointing your chimney is an important task that involves removing old, damaged mortar and applying fresh mortar between the bricks. This helps to prevent water from seeping in, protecting your chimney and home from costly damage.
The costs associated with repointing a chimney can vary significantly. On average, homeowners can expect to pay around £750, with a cost range typically falling between £500 and £2,000.
| Scenario | Cost |
|---|---|
| Bungalow | £200–£700 |
| Semi-detached (side chimney) | £600–£900 |
| Semi-detached (central chimney) | £900–£1,500 |
| Detached house | £700–£900 |
Don't forget: The choice of materials and the complexity of the job are key factors that influence the overall cost of repointing a chimney.
Before you commit to repairing your chimney, it’s important to find a couple chimney repair professionals in your area and get multiple different quotes from different companies. Just post post your job on MyBuilder today, then chimney repair professionals ready to take on your job will get in touch.

Chimney flashing repair cost
Chimney flashing seals the space between your chimney and roof to stop water leaks. Over time, it can wear out or get damaged, which might lead to costly water damage if not fixed.
Repair costs usually range from £250 to £1,200, depending on the job and if scaffolding is needed.
For example, a simple patch without scaffolding costs about £250, while jobs requiring scaffolding can cost between £550 and £650.
Key factors affecting costs include:
How severe the damage is, more damage means higher costs.
Whether scaffolding is needed, especially for multi-storey homes, which adds to expenses. Take a look at the full scaffolding costs here.
Local labour prices, which tend to be higher in places like London.
Getting a roofer to inspect and quote ensures the right repair and protects your home long term.
If you’re unsure what chimney repair type you need, just post your job on MyBuilder today and interested chimney repair specialists in your area can get back to you with their tips and advice.

Repairing a chimney stack costs
Chimney stacks safely channel smoke and gases away from your home but can wear down over time due to weather exposure. Repair costs vary widely, typically ranging from around £2,000 to £10,000 or more for major repairs or full rebuilds, depending on damage, location, and materials used.
Here’s a quick cost guide for common chimney stack repairs:
Fixing minor cracks usually costs about £150–£250 per day, plus materials.
Replacing damaged bricks or stones is similarly priced at around £150–£250 per day, excluding materials.
If the damage is severe, a full chimney stack rebuild can cost between £2,000 and £10,000+, based on complexity and size.
These estimates cover labour and materials but may vary based on your home’s specifics and local labour rates.
MyBuilder Tip: Installing a chimney cap can help protect your stack from rain, debris, and animals. For all chimney cap installation cost details, visit our price guide.
Hidden chimney repair costs to avoid
While the primary repair costs may seem manageable, unexpected expenses can quickly increase the overall budget. This awareness can help you prepare financially and avoid unpleasant surprises.
- Delivery or Disposal Fees: Certain repair tasks might require special materials that come with additional shipping fees or old materials needing disposal.
- Permit Costs: In some regions, permits may be needed for extensive works; ensure you account for them in your budget.
- Weather Delays: Unfavourable weather conditions can delay work, leading to increased labour costs and prolonged project timelines.
- Structural Damage Repair: Once work begins, hidden structural damages might be discovered, necessitating additional repairs beyond the original scope.
MyBuilder Tip: Always add 10-20% to your initial budget for unforeseen expenses. This cushion can help you better manage the financial impact of unexpected repairs.
How to keep your chimney in top condition
Regularly checking and caring for your chimney can really help it last longer and work better. Taking care early on not only saves you money but also keeps your home safer and stronger. It’s an easy way to protect your house and enjoy a cosy, worry-free space.
- Schedule an annual chimney inspection to detect potential issues early.
- Keep your chimney clean with regular sweeps to prevent soot buildup and blockages.
- Check for visible cracks or deterioration in the mortar to address minor damage before it worsens.
- Install a chimney cap to keep debris, animals, and weather elements out.
- Ensure proper ventilation in your home to avoid moisture accumulation around the chimney.
Hiring the services of a local chimney sweep near you to help maintain and repair your chimney will keep it in good condition for longer.
Connect with verified chimney repair professionals on MyBuilder
Every tradesperson on MyBuilder goes through relevant ID and skills checks, so you can hire with more confidence than before. It only takes a couple of minutes to post your job today, then interested chimney repair professionals can register their interest in the job. You can also browse through our directory, check reviews and see images of their past repairs!
FAQ: Common questions about chimney repair costs
What are the common signs that indicate the need for chimney repair or repointing?
Common signs that your chimney needs repair or repointing include crumbling mortar, which can lead to loose bricks, and visible cracks on the exterior of the chimney. Additionally, look for white staining, known as efflorescence, resulting from moisture penetration, or rust on the damper or firebox, as these indicate water damage.
How often should I consider repointing my chimney to maintain its condition?
The frequency of chimney repointing depends on various factors including the local climate, the materials used, and the extent of exposure to environmental elements. Generally, you should expect to repoint a chimney every 20 to 30 years.
How do I know if my chimney needs repairing?
Look for signs like cracked or missing bricks, crumbling mortar, rust on metal parts, water stains on interior walls or ceilings, a leaning chimney, or smoke backing up into the house. If you notice any of these, it’s time to get a professional inspection.
Are chimney repairs covered by home insurance?
It depends on your policy and the cause of damage. Many policies cover sudden damage like storm or fire, but not wear and tear or lack of maintenance. Always check your specific policy and talk to your insurer to understand what’s included.
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