Chimney Cowls – What Are Your Options and How Much do They Cost?

How much does it typically cost to instruct a roofing contractor to go up on the roof and install a chimney cowl? We have been researching the prices charged by tradespeople for nearly three years, so check out our research below and hopefully, you can steer clear of businesses that overcharge.

How Accurate Are These Prices?

Our website here at Quotation Check was conceived back in 2014 and since then we have sourced quotes from hundreds of tradespeople.

Some of our visitors use our research when budgeting for home improvement projects, others are just curious about costs and charges while some go a step further and print off our pages and use them when negotiating with sales people.

However you decide to use our guide, we believe you will find our content insightful. Don’t forget; we have hundreds more price guides on this page.

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Chimney Cowl Costs – Multi-Purpose Cowl

For our price example (see below) we want a multi-purpose chimney cowl that is attached to the chimney pot by a strap.

These cowls are suitable for all types of fuels including gas, solids and oil. They prevent downdraft, stop birds entering the chimney and also keep rainwater out. They can also be used as ventilation on disused chimneys to prevent condensation.

Purchase Price

The multi-purpose chimney cowl is sold in most roofing supplier shops and also online from retailers such as Amazon.

Expect to pay around £40.00 for the cowl:

 

Chimney cowl costs and prices

Available from Amazon

 

Installation Costs

The height of the chimney is obviously the most important factor when pricing work like this! Some chimneys can be reached via a roof ladder, however, if some scaffold is needed then this will involve an additional cost.

Visit this page to see how much scaffold companies typically charge

If the chimney doesn’t have a pot extruding from the top of the chimney

Our table below is to supply and install a multi-fuel cowl on a chimney with east access (no scaffold costs):

LocationSmall BusinessLarger Business (5+ employees)
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£160.00£225.00
South, SW and Midlands£150.00£200.00
Outer Region and North£100.00£150.00

 




 

How Long Does it Take to Install a Chimney Cowl?

Not long! The setting up of roof ladders and a harness will take 15-20 minutes. Allow 10 minutes to install and another 15 minutes to lower the access equipment. Chuck in a cup of tea and your roofer will take about an hour to complete this job.

Because fitting one cowl is quite a simple job, your chosen roofer will probably apply “minimum pricing”. This is a minimum cost that they charge to cover their time on the job, travel time, fuel costs and paperwork etc. This type of pricing is also applied to other small jobs, such as gutter clearing, repairing gutter leaks etc.

Tips/Advice

The cowl has a bird cage inside it to prevent bird entry. This should be removed if the cowl is used on a chimney that is burning solid fuels. This is because it can become blocked with solid fuel remnants and burnt charcoal/carbon etc.

How to Reduce Costs

You can reduce the cost of installing a chimney cowl by having this work done at the same time as other roofing work such as chimney repointing, roof moss removal and/or roof cleaning etc. It doesn’t take long to install the cowl so if you have workmen already on the roof it will probably cost less for them to install it while they are there.

The multi-fuel cowl is the most popular as once it’s been fitted, you won’t need to replace it even if you change the type of fireplace you have or stop using the chimney altogether. You can get cheaper cowls that are designed for specific fuel types, although the saving is minimal (£10-£25). It probably makes sense to pay that little bit more and get a multi-purpose cowl fitted.

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5 Responses to “Chimney Cowls – What Are Your Options and How Much do They Cost?”

  1. Michael CoatesDecember 11, 2015 at 4:31 pm #

    You omit to refer to cowls specifically designed for capping-off disused chimneys, although in most older properties (pre-1960) the majority of flues are disused and should be protected from the elements etc.. Please see our website. You might be able to source fitting costs via The National Association of Chimney Sweeps? There are also many ‘Customer Reviews’ on the http://www.fluesystems.com website, some of which state fitting cost.

  2. Michael CoatesDecember 11, 2015 at 4:32 pm #

    What does ‘awaiting moderation’ mean?

  3. Happy HomeownerFebruary 27, 2016 at 4:26 pm #

    I live in West of England and just had a bloke come round who was in the area and he fitted one for £49 all in.

  4. Alison LloydAugust 2, 2017 at 2:58 pm #

    Can anyone tell me how often a chimney cowl needs to be replaced?
    My landlord fitted a new one a year ago after that the chimney became blackened
    I moved out early June and he has asked me to pay £150 for a new one because of the dirt that has gathered over the last 12 months

    • Trev JonesSeptember 6, 2017 at 3:59 pm #

      Tell him to go jump off his own roof. The Cowl is a fixture / fitting and therefore it is his responsibility not the tenants.

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