The unseasonally gorgeous weather in the March onwards, which in many ways would have been tempting to make the most of. The earliest lockdown weekend, we all emptied the shed all over the grass and gave it a real overhaul - useful, but displacement activity really.
A busy main road I often cross, that can make me miss a bus or 2 on the other pavement in normal conditions - could zigzag over and back without many vehicles for a while.
For one incredible day (really incredible now), the petrol price dropping below 3 figures to require just 2 number 'cards' in position on the pricing sign. I saw this being changed and if my phone hadn't had no battery, I would have taken a photo.
Walking around both in sunshine and country-style darkness in a series of fields not far away. In the sunshine, I saw a skylark for the first time. In the darkness, a person absolutely invisible against the trunk of a tree, except for a glowing cigarette end and smoke smell (I almost walked into them - I suspect they were there for rather underground services).
When the Christmas lockdown announcement was being made, throwing all gifts etc into the boot and switching off before it finished as soon as the words were out on the airwaves, driving instantly to see my ILs (same county but a bit of a drive).