The trigger is a cold room or a bill, not an interest in building physics. A page per problem — cold walls, condensation, a freezing top floor — reaches people months before they search for a technique.
The grant decides the timing. Naming the current schemes, what they require and what they pay is what turns a reader into an enquiry, and it has to carry a visible date.
Thermal images are the proof that no adjective replaces. A before-and-after on a real house, with the town and the month, convinces more than any certificate.