Stuck on the last three, bah humbug!
1d very little covering cop up (6) I have b - n - a -
Can only think of bonsai or bantam & can't think either are right
17d clean window pane at the edges when cracked (4,4) i have - i - e / - o - -
And finally 27a Reparation for each of 1 down, 4, 16 and 23? (7) i have m - - - i - g
1down I haven't got yet and the others were epsom, swat team & steam, if indeed its these it refers to.... Any hints most welcome, thanks