### Clue: Warmer on entering flat in south-central England? (9)
### Answer: BEDSPREAD 
 ### Explanation: Definition: Warmer
 [RE(with reference to/on) **contained in**(entering) PAD(informal term for a person's home, especially an apartment/flat)] **placed after**(in) BEDS-(as a prefix specifying where something is, in this case BEDS/short for Bedfordshire, a county in south-central England).
Defn: … when one is asleep in bed.