Remove a Chimney Stack – A Cost/Price Guide

Are you thinking about removing a chimney? Want to know how much it typically costs? The team here at Quotation Chek has been researching prices and charges for nearly three years, so we know a thing or two about what tradespeople are quoting homeowners in the United Kingdom.

What is Quotation Check?

Quotation Check was created back in 2014 by a small team of individuals. Our aim is to shed a light on costs charged by tradespeople and companies in the UK. We do this by sourcing quotes from traders and then publishing an average price here on our website (a complete list of our guides can be found here)

You can use our guide prices when planning for future home improvement projects or as a benchmark when comparing to prices you have already received.

Our site gets thousands of visitors each week and we have cited in several well-known publications.

While our research is insightful and certainly a good starting point for homeowners investigating home repair costs, there are some limitations and caveats. Every roof is different, chimneys are all different in height and every roof will have differing access requirements. Roofing work is also seasonal, so prices can fluctuate throughout the year.

Just to be clear about the content of this page; we are referring to a chimney stack – the part of the chimney that is above the roof.

This quote does not include the cost to remove a chimney breast (the chimney walls inside the house) or the hearth (floor around a fireplace). We only want the chimney above the roofline removed and the roof tiled over.

Any additional work inside the property will be subject to a separate quote.

The price guides you see on this page was last updated on the .

 

What Work is Involved With Chimney Stack Removal?

Here is a step-by-step work schedule, it’s based on the information we received from our chosen roofing contractors:

  • Erect scaffold to chimney
  • Remove cement flaunching and chimney cowls/pots
  • Dismantle bricks and lower to ground
  • Supply and install new roofing felt, timber and roofing tiles
  • Dispose of all waste material, sell any valuable items to reclaim yard
  • If the chimney is very large, a small skip may need to be hired – see skip hire charges here

Our Researched Price to Dismantle a Chimney

Below are two example costs to remove a medium sized chimney stack and tile over the hole. The figures include scaffolding and waste disposal:

Example 1

Example 1 is for a chimney located near the roof eaves:

LocationSmall BusinessLarger Business (5+ employees)
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£1250.00£1600.00
South, SW and Midlands£1200.00£1400.00
Outer Region and North£1000.00£1100.00




Example 2

Example 2 is again for a medium sized chimney but this time located near a gable/apex further up the roof. It will require some extra scaffolding:

LocationSmall BusinessLarger Business (5+ employees)
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£1350.00£1750.00
South, SW and Midlands£1300.00£1600.00
Outer Region and North£1100.00£1200.00

Chimney Removal Cost

As you can see from our examples above, the average cost to remove a chimney is £1400 but depends on your location, the size of the chimney and its position on the roof.

You will also need to pay VAT at 20% if you choose a business that operates above the VAT registration threshold.

Your Next Step? Get a Fixed Chimney Quote

Our quotes can be very insightful, but of you need a fixed quote that is based on your own chimney, then fill out the form (it only takes a few minutes).

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Why Remove a Stack?

If your chimney is in a state of disrepair, then it may cost more to repair/maintain then it would to completely remove it.

As gas central heating is now used in most homes, the need for chimneys has reduced significantly. Removing an entire chimney (from base to the sky) can also increase floor space considerably in some homes.

Assumptions

When we asked our chosen roofing contractors to quote for this work we assumed the following:

There were no obstructions preventing access via a scaffolding. Conservatories or very narrow alleyways can cause access issues which will add £££ to the cost of the scaffold erection.

To get an idea of how much it costs to erect scaffold – visit our scaffold costs guide.

We assume that the chimney is not exceptionally large – just an average sized chimney protruding approximately 1.5m – 2m above the roof tiles.

The tiles on the roof are typical concrete tiles that are readily available. If you have fancy rare clay tiles that no longer in production then it will cost more to tile over the hole!

We also assume that the chimney is entirely on your property, or if it shared with a neighbour they also want their side removed.

How Long Will The Work Take?

These are just estimates, but they are based on answers to the questions we asked our chosen roofers:

Small/medium sized chimney – will take two people half a day.

Large chimney – it will take two people around a day, perhaps a day and a half.

Both estimates above exclude the time it takes to erect/dismantle the scaffold. That is usually done by a separate company.

Reducing Costs

Depending on your chimney, you may be able to sell some of the items rather than just skipping them. Clay chimney cowls and pots can be sold to any reclaim yard or some roofers merchants.

Some second-hand bricks (i.e Victorian) can be worth up to 50p each, so you can potentially save a fortune here if you sell them on.

If you have lead around the chimney, this won’t be needed after the stack is dismantled. You can weigh this in at a metal recycling yard and get a small sum in return.

If your chimney is very small and the roof very shallow, you may not need a scaffold tower. Although to keep the work in line with Health and Safety rules, there should be edge protection around the roof to prevent falls from height.

Other Options

Rather than removing a chimney stack there are a few other options, depending on what issues the chimney suffers from:

A complete re-point and re-flaunch – this involves removing any loose cement from the brick courses and re-pointing with a sand/cement mixture. The cement on the top of the chimney, called chimney flaunching is usually removed and replaced. See our price guide to chimney pointing here.

Repair or replace the lead flashing – the lead around the base of a chimney is a common weak spot that can result in leaks. Having loose lead secured back into the wall or replacing with new lead can solve common leaks. See this page for our leadwork price guide.

Chimney capping – A cap can be secured to the top of the chimney, this will prevent rainwater from entering the chimney but will allow the stack to breath, preventing condensation. See this product for more information.

Feedback

What do you think about our research into chimney removal costs? Have you received quotes for similar work?

We welcome feedback so feel free to leave a comment at the base of the page.

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