I started putting mine up about a week before the 1st lockdown, then put the rest on hold and finished putting them up in sept/oct. i only put them up by 50p or a £1 and left some which i didnt want to risk losing for such a small increase. I lost just one and they have now asked to come back. I think i got the timing about right, personally wouldn't want to be telling people right now, especially as the govt have now put a pay freeze on the public sector, its sent a negative message out there. You just gotta go with what you feel is right, its easy to talk your way out of doing it but then again, i would never want to put them up this time of year anyway with xmas round the corner.