Williamson's Chimney Sweep service

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  • Published date: June 15, 2018
    • Sprotbrough, Doncaster, South Yorkshire, United Kingdom

Chimney Sweeps in Doncaster
Williamson's Chimney Sweep service based in Doncaster, South Yorkshire.

Your Home Insurance may not pay out if you suffer a chimney fire and your chimney has not been regularly swept.


Smokeless Fuel - Once a Year
Coal - Twice a Year
Wood Burning - Quarterly
Gas - Once a Year
Oil Fired - Once a Year
Each sweep includes a free smoke draw test and an insurance recognised certificate which will be recognised by your insurance company.

Certificates also fulfil a landlords mandatory safety obligations regarding oil, gas and solid fuel.

Before each sweep, hearth sheets are put down to protect the flooring, then the fireplace opening is sealed with foam blocks or traditional soot cloths.

We deliver a professional, clean and safe chimney sweeping service using modern tools and methods, to ensure that the customers chimney is swept as efficiently and cleanly as possible.

The charge for each chimney swept is from £50, irrespective of whether you have an open fire or a stove. If your premises are out of the DN postcode area, we may have to charge extra for travel costs - please ask.

There are no hidden charges with our chimney sweeping service.

Chimey Sweeping
Why do I need my chimney swept?

There are 3 basic reasons why you should get your chimney swept

1 To protect your health, Breathing in the fumes from gas or solid fuel fires can cause serious damage to your health and in the worse cases prove fatal. Having your chimney swept will help make sure that the flue is sufficiently clear to allow the dangerous fumes to escape safely out of the chimney.

2 To avoid chimney fires, Having your chimney swept regularly will drastically reduce the chances of having a chimney fire. Chimney fires can cause property damage the least usually being a cracked chimney pot. Which will need to be replaced and the worst being you could lose your home! Fortunately, the more extreme outcome does not happen very often, but it does happen.

3 To avoid smoke damage, Each time the fire is used, soot will accumulate up the chimney. Gradually, this will decrease the size of the flue which in turn, will lower the draw of the smoke upwards. If the chimney does not have enough pull, the smoke will enter into the room, not only causing irritation to you, but can also blacken your fireplace or the decoration above.

How often do I need my chimney swept?

This depends on how often the fire is used and what you burn. A general guideline is, For occasional evening and weekend use, Once a year is enough. For more frequent use, you should have your fire swept once before you start having fires then once again half way though the burning season.

Can the chimney be cleaned properly with just a vacuum?

No a vacuum is used to suck up soot that falls when sweeping the chimney. Brushes must be used to sweep the soot from inside the stack.

How long does it take to sweep a chimney?

It takes around 45 minutes from start to finish to sweep the average chimney. If your chimney sweep is in and out within a short period of time he is not doing the sweep properly.

I have a gas fire, do I still need the chimney swept?

You should have your gas appliances checked and serviced regularly by a corgi registered engineer. This should be done yearly or more often if a problem occurs. At the time of the service, the engineer will check the draw of the chimney and, if there is a problem sweeping the chimney will almost certainly be necessary.

Why does my chimney smoke?

There are different reasons why your chimney may smoke. Below is a list of the major causes. It may be that only one or a combination of any of them could cause the smoke to blow back into the room.

Blocked chimneys

Solution- Having the chimney swept will either correct the problem or highlight where and what the blockage could be. The chimney sweep can the advise on what work will then be necessary.

Cold air up the chimney

Solution- if the fire hasn't been lit for a while, the air up the chimney can get cold. Cold air is heavy and if the flue isn't heated quickly enough, the cold air will force the smoke back into the room. Initially, just burn newspaper as this will create a lot of heat quickly and will move the air upwards.


Solution- downdraught is a brief flow of air down the chimney resulting in puffs of smoke interfering with the wind flow. To help with this problem, a cowl can be fitted on the pot. It is advisable to ask your chimney sweep which type of cowl to use as there are many different designs suited for the different problems. If the incorrect cowl is fitted, it may make the problem worse being pushed back into the room. One reason for downdraught is that the chimney stack has been built to short and another could be trees, buildings or other large high objects.

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Phone: 01302 854611

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