First seeds are in the propagator: cucumbers, tomatoes, zucchini, patty pan. Although it's a bit earlier than the packets suggest for sowing, I like to get them started early and then they can go out to the mini-greenhouse to harden off and grow a bit more before planting out. Sowing them now means they are ready in about 4 weeks to be potted up and go in the greenhouse, then even tender plants can be risked in the garden mid-April, beginning of May is usually safe in London.
Getting an early start means also that the tomatoes have a chance to ripen before September :) Have got some very early ripening ones this year so see how that goes. More stuff to sow but they can go into the greenhouse or direct into the soil.