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Frequently Asked Questions

Below are some of the common questions about chimney sweeping we get asked by homeowners in Berkshire.

How often should a chimney be swept?

The frequency that a chimney should be swept depends largely on the type of fuel and how often it is used. Generally speaking, a wood-burning chimney should be swept at least once a year to remove any residue build-up, while oil and gas systems should be checked and swept at least once every two years. Depending on usage, chimneys burning smokeless coal should also be swept at least once a year, while those burning bituminous coal should be swept twice a year. It is important to adhere to the manufacturer’s guidelines regarding usage and maintenance of your particular appliance.

What should I expect from a professional chimney sweep?

A qualified, professional chimney sweep should be knowledgeable, experienced and courteous. When they arrive at your property they should be in protective clothing, including gloves and a mask, and all sweeping should be performed with dust sheets set up. They should be able to gladly answer all of your questions, and they should be able to inspect the flue and the inside of the chimney to make sure they and you are kept safe during the cleaning process. Generally speaking they should be a member of a recognised association.

How much does a chimney sweep cost?

The price of a chimney sweep will vary dramatically based on the type of fuel being used, the size of the chimney and the complexity of the job.

If you require a chimney sweep, the normal cost is between £50 and £80. If your chimney has an open fire, the cost of sweeping is usually between £60 and £100, while those with a lined stove can expect to pay approximately £80 – £120. Lastly, for those with unlined stoves, the cost of sweeping is slightly higher and is likely to be around £90 – £150.

Is there any way to minimise the amount of cleaning my chimney requires?

To minimise the amount of chimney sweeping you need to do, it is important to burn the right fuel – this will depend on the type of appliance you are using – and to make sure that you use it the right way. Avoid having inefficient fires, and make sure the fire is never left alight while unsupervised. There are also chimney guards and cowls that can help to prevent birds nesting in the chimney and build-up of soot and debris.

Should I light a fire immediately after a sweep?

Generally, it is recommended that you wait 24 hours before lighting a fire after a chimney has been swept, as this allows residue to settle back down before smoke is produced. Depending on the complexity of the sweep, however, this wait time will differ, so it is important to follow the advice of your professional chimney sweep.

Can I sweep my chimney myself?

Sweeping your own chimney can be a dangerous and difficult task that is best left to the professionals. Not only could you cause serious damage to your chimney, but you may also be putting yourself and your property in danger without the necessary safety equipment.