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Chimney & Fireplace
Can you cap a chimney which is shared with neighbour?
Anonymous user 3 March 2024 - 3.22 PM
If a house shares a chimney stack with a neighbour, can one house properly cap their chimneys without affecting the neighbour's side (I want it capped at the very top to stop anything coming down)?
Are you a tradesperson and able to answer this question?
Yes. even though the stack may be shared with your neighbour all the flue ways within the stack are independent of each other.
However I would use a cap that allows the stack to ventilate and install an air vent in each off the fire places served by the capped flues to prevent condensation and damp building up.
Answered8 July 2019
62
Anonymous user
I use a c cap that lets chimney vent slightly at terminal
Although capping works i would recommend cages/ rain guards that way if flues are ever to be re used then the option is there without having to go on roof to remove caps