To treat the woodworm the ceiling had to come down & unfortunately my early 70s house designers had used Asbestos insulation -
Que. professionals with E.T. style tent, vacuum leak prevention system, clean room trailer with 'clean' & 'dirty' doors and all appropriate regulation/certificates inspections and precautions to remove the ceiling:
At least I can get back in the garage now... trying to avoid a '13' plate on the car (superstitious)
Next up is Rentokil for the woodworm!