Having a thick day, as I've just noticed that plodder had given the answer to 27a in his first post.I also forgot to check Chambers for the 4-letter word at 20a and it's actually the first definition.
Hi jazzgirl,I thought 20a the best clue in what was a 'do-able' Xword compared to last months. The tennis frayed my nerves too much so I finished decorating the hall.!