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    Cavity wall missing bricks and joist inserted

    Have a joist inserted into cavity wall with a very large gap in the brickwork. It is around a chimney in the attic. Should this be sealed. The joist seems to be going into the hole the depth of the brick. Concerned as about to have my loft insulated with another 200mm of insulation that will...
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    Auto bypass/bypass valve required in this situation

    Hi, Recently had a regular Oil boiler with no internal bypass (warmflow B21) and new radiators installed via a funding grant. Grant surveyor specified all radiator to have TRV's. Plumber left one out in Kitchen. When I checked work noticed TRV missing but on specification. He said it was needed...
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