Chimney Removal Cost
The cost to remove a chimney breast in the UK typically ranges from £2,000 to £6,500 in 2026, depending on the scope of work. This guide covers full breast and stack removal, partial jobs, labour rates, structural calculations, and everything that affects your final price.
Do I Need a Structural Engineer for Chimney Breast Removal?
Yes, always. Without a structural engineer you cannot get building control sign-off and the removal may not legally proceed. Our team at AC Design Solution handle the full structural package as part of a single engagement.
Why Consider Removing a Chimney?
Reclaiming Floor Space
Removing a chimney can free up a lot of usable floor space. In older terraced homes where rooms are compact, the chimney breast can take up half a square metre or more per floor — space that could be fitted storage, an extended kitchen, or a living room that finally feels the right size.
Do You Want to Remove a Chimney Stack or Carry Out Chimney Repairs?
When you want to remove a chimney stack that has become a structural issue, the question is simple — repair or remove. At some point the cost of chimney repairs outweighs the case for keeping it. For many homeowners, removing chimney is the better financial decision long term.
The Fireplace Is Unused
Most chimney breasts in UK homes haven’t had a fire in them for decades. If you want to remove a false chimney — a sealed breast with no working flue — the same structural rules apply as for any other removal.
Escalating Maintenance Bills
The ongoing cost of chimney maintenance adds up fast — repointing, flaunching, sweeping, and lead flashing. When weighed against the cost of removing chimney altogether, removal often wins.
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Find Out Exactly What Your Chimney Breast Removal Will Cost
Removing a chimney breast can free up significant space in your home — but without the right structural calculations, your builder can’t start, Building Control won’t sign off, and your property sale could fall through down the line.
Get your structural calculation package sorted today. Fill in your details and we’ll call you back within 2 hours with a fixed price no hidden fees, no obligation.
What Is Involved in Removing a Chimney?
It helps to know what is involved in removing a chimney before looking at figures. The process covers structural assessment, steel specification, demolition, and building control sign-off. Skipping any part — particularly structural engineering — is not allowed under building regulations.
Chimney breast removal is a form of load bearing wall removal — the steps are the same whether removing the stack, the breast, or both: engineer appointed, drawings produced, building control notified, works carried out, inspection done, certificate issued.
GET FREE QUOTEUnderstanding the Parts of a Chimney
The visible part of the chimney is the stack above the roofline. But the internal chimney breast is an extensive structure built into the fabric of the building — the bulk of brickwork running up through the floors. The flue runs through both the breast and the stack.
Knowing which parts are in scope directly affects the cost of removing a chimney and what the removal jobs and the prices attached to them will look like.
GET FREE QUOTEMOST COMMON TYPE
Partial Removal
The internal chimney breast on the ground floor is removed while upper floors are held on a structural steel beam. This is the most common of the different types of chimney breast removal and the most cost-effective. Removal costs in 2026 for this type are typically lower as scaffold is often not needed.
GET FREE QUOTEHIGHEST SCOPE OF WORKS
Full Chimney Breast and Stack Removal
The cost to remove an entire chimney — stack and breast together — is the highest scope of works. To remove an entire chimney without leaving the stack in place requires scaffold and roof making good. Removing the entire chimney stack as well as the breast means both come out together from the ground floor up through the roofline. The price for removing the entire chimney stack reflects the extra labour, scaffold, and roofing works involved.
GET FREE QUOTEEXTERNAL MAINTENANCE FOCUS
External Chimney Stack Removal Only
The chimney stack with the breast retained internally is the right approach when external maintenance is the main concern. The stack is removed while the internal breast stays in place, without the full cost of chimney breast removal.
Each of these is a different scope and the removal may cost significantly more or less depending on which you need.
GET FREE QUOTECost to Remove a Chimney — What to Budget in 2026
The cost to remove a chimney will depend on whether you are removing the stack, the breast, or both — size, access, and finish all affect the price.
How Much Does It Cost to Remove a Chimney?
How much does it cost to remove a chimney in full — stack and breast together — typically falls between £3,500 and £6,500 or more. For a partial removal on a single floor, the cost to remove sits between £2,200 and £4,900 all in. Scaffold is an extra cost where the stack is also being removed.
How Much Does Chimney Breast Removal Cost?
How much does chimney breast removal cost will depend on floors in scope and making good needed once the breast is removed. For a single floor, the chimney breast removal cost runs between £2,200 and £4,900. For multiple floors it rises and should be scoped by your engineer and contractor. For a fuller breakdown of structural removal costs, see our guide to the cost to remove a load bearing wall.
Structural Engineering and Building Control
This is what most homeowners miss — and it cannot be skipped. A structural engineer must assess the load, specify the steel needed, and produce drawings for building control. If you are unsure whether you need a structural engineer to remove a wall, the answer for chimney breast removal is always yes. Structural engineering fees run between £400 and £800. Building control adds £200 to £500 on top.
At AC Design Solution, our structural engineers handle the full package — calculations, drawings, and building control liaison — as part of a single engagement.
Chimney Removal Cost Summary 2026
| Element | Typical Cost |
|---|---|
| Labour (single floor) | £800 – £2,000 |
| Structural engineering | £400 – £800 |
| Building control | £200 – £500 |
| Scaffolding (if required) | £600 – £1,200 |
| Waste disposal | £200 – £400 |
| Total — partial removal | £2,200 – £4,900 |
| Total — full removal | £3,500 – £6,500+ |
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What Affects the Cost of Removing a Chimney?
Size of the Chimney
The chimney breast is an extensive structure even in a standard Victorian terrace. A larger chimney takes longer, produces more waste, and may need more steel to support the floors above.
Stack or Breast — or Both
Removing the stack or breast alone is always less expensive than a full removal. Where both are in scope, engineering, labour, scaffold, and making good all increase.
Shared Chimney and the Party Wall Act
Where the chimney is connected to or runs through a party wall, the Party Wall Act applies. You will need to serve a party wall notice on your neighbour before work begins. Our party wall surveying service covers this from notice serving through to award.
Making Good After the Breast Is Removed
Once the breast is removed, the floor, ceiling, and walls all need making good. A plaster-only finish costs less than a fully decorated result — the difference can run to several hundred pounds.
Do You Need Planning Permission to Remove a Chimney?
Planning Permission to Remove a Chimney Breast
For most properties, you do not need planning permission to remove a chimney breast under permitted development. This only comes up where the property is listed, in a conservation area, or subject to an Article 4 Direction.
Permission to Remove a Chimney — What the Rules Say
Permission to remove a chimney under permitted development is not needed for most standard homes. If unsure whether permission to remove a chimney applies to your property, check with your local planning authority first.
Do You Need Planning Permission to Remove a Chimney Breast in a Listed Building?
If you need planning permission to remove a chimney breast in a listed building, listed building consent will also be needed before works begin. Regardless of whether you need planning permission to remove a chimney, building regulations approval is always required and building control sign-off protects you at the point of sale.
FAQ
Can I Remove a Chimney Breast Myself?
No. The work needs a structural engineer before any demolition begins. Attempting the removal without the correct structural support risks collapse of the chimney stack with the breast and the structure above it.
What Is the Difference Between a Chimney Breast and a Chimney Stack?
The chimney breast is the internal projection forming part of the room’s wall. The chimney stack is the visible part of the chimney above the roofline. How much it costs to remove will depend on whether you’re tackling one or both. The chimney stack and breast can be removed together or independently.
How Messy Is Chimney Breast Removal?
Chimney breast removal can be messy — the chimney breast is an extensive structure built into the fabric of the building. Expect thorough cleaning and redecoration after the breast is removed.
Can I Remove Just the Ground Floor Chimney Breast?
Yes. The chimney breast on the ground floor is removed and the upper floors are supported on a steel beam. Building regulations apply and a structural engineer is still needed.
What About a False Chimney?
A false chimney is a sealed breast with no working flue. It is still a structural element particularly where the chimney is connected to upper floors or the party wall. Do not assume it can be removed without engineering assessment.