Across
    1  Detective houses, we hear (6)
    4  Baker Street regular (6)
    9  Byronic pirate (7)
  10  Dylan and Madonna hung out at the Chelsea one (5)
  11  A last letter (5)
  12  Deadly stuff linked with old lace cinematically (7)
  13  Cigar smoking Count? (5,6)
  18  Iffy residence of 13ac (7)
  20  Uncontrolled movement results when dog loses queen (5)
  22  Medium board requiring Franco-German assent? (5)
  23  Sea-going hairdresser? (7)
  24  ‘Return to ……., address unknown’ sang Elvis (6)
  25  Sort of dress worn by vamps has sly surround (6)
 
Down
    1  Heroic victim of Achilles (6)
    2  Elgar left such a body of work (5)
    3  French forward! (2,5)
    5  Mountainous musketeer (5)
    6  What to do with something you do not want to progress (3,2,2)
    7  What a loser at the gaming tables has (2,4)
    8  Place of worship wide enough to accommodate different views? (5,6)
  14  Pericles delivered a famous funeral one (7)
  15  Sick testament leads to bad feeling? (3,4)
  16  Ice cream portions  journalists are desperate for? (6)
  17  Bad-tempered because of losing a tee? (6)
  19  Make happy by removing right from tell (5)
  21  What grapes do on the vine (5)