On a recent chimney sweep in Theydon Bois I came across this birds nest that was blocking the flue. It took a while to remove it all but after a smoke test it was all clear & certificated for another year. Am also going back to fit a bird guard to stop it happening again.
Chimney sweep Theydon Bois
A chimney in Theydon Bois being swept and a birds nest being removed.
All sweeps come with a smoke test and certificate of sweeping for insurance purposes.