5  Some climbing tree branch (4)

 9  They colour red, say, losing heart when flustered (5)

10 Yearly payments for Mum and Dad (7)

11 Board vehicle taking English doctor to US (5)

12 Assorted cigars over time lead to a type of ulcer (7)

13 Solemn music for a lifeless month (4,5)

18 Reform a sphere? (7)

20 Used as fuel like Alfred's cakes (5)

21 Public display of anger by former pupil is very rude (7)

23 Relaxed European as media boss (5)

24 Neat haircut! (4)

25 Reg and Maria becoming man and wife (8)

 1  Stuffed for a penny extra (6)

 2  Surplus book I'd offered too much for at auction (7)

 3  Roman swims regularly in desert watering hole (5)

 4  A record mountain (3)

 6  Victor loses head in ring around bull (5)

 7  Divide most of big religious group (6)

 8  Some tyres are recycled rubber (6)

12 Easy clue only some are solving immediately (5)

14 Centre of maze with a meadow shrub (6)

15 Sarah is awfully hot and saucy (7)

16 Have a go at mad Tory upper-class twit at first (3,3)

17 Unappetising food such as Dorothy's served up (6)

19 For starters, some uncooked southern hake is a fishy dish (5)

20 British king is dim (5)

22 Queen over a period of time (3)