Looks good and I like the controlability of rooms independently, I currently just shut off any rooms we don't use (on this house we don't even have TRV's!) I will update to wireless ones when they are a bit more compact and the battery life gets better.
My boiler is c20 years old but I'm not going to replace it until it fails, the roi isn't there for me so we still have the boiler and an immersion heater.
Ah, I had the heating linked to the set years ago but dissed it in the bad winter we had (2011) for that very reason, I leave the Nest set daily to 20 degrees and it goes up a little using IFTTT when either of us are nearby.
"Importantly, this suggests that the scheme does not cover employees who have agreed to work reduced hours."
https://commonslibrary.parliament.uk/economy-business/work-incomes/coronavirus-job-retention-scheme-how-will-it-fit-with-employment-law/
I could have, I'd struggle now but it's what you're used to, mainstream for me from memory was galaxy, accord, menvier, big scannny and little Tex. The rest I'd need to get manuals out for.