If you’re opening up an old fireplace, or you’ve moved into a new home and you’re not sure whether the chimney’s been in use, get it checked out by a HETAS -registered expert.
“You can have the chimney pressure tested with a pump and pressure probe, called a flue integrity test; you can send a camera up the chimney to look for problem areas in the flue; or you can do a pressurised smoke test, where you seal the chimney and fill it with smoke, and inspect the house for any smoke escaping,” says HETAS -registered installer Alex Wight from The Chimney Corner.
“If the flue is leaking so much so that it fails, then the chimney is in need of relining. A test should cost upwards of £125, but the average cost of relining is hard to gauge – you can generally expect to budget for anything between £1,000 and £2,500, which should be a good incentive to look after the chimney after it’s been lined.”
It pays to also take expert advice on what’s right for your house – whether the size and type of your chimney is suitable for what you want, for example, what sort of heat output is suitable for the size of the room, and whether you will need additional ventilation.
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