Fridge freezer (West Hampstead NW6)

Was working up until yesterday
Freezer fine fridge not
I can’t fix it but has been an excellent fridge freezer until yesterday
Probably a simple fix but I can’t do it
Please first to collect can have it
In excellent condition apart from fridge suddenly not cooling
All shelves drawers with it
Plz text 07429824207 for collection details

Fair Chance Policy: I’ll wait before choosing a recipient to give more people a chance to reply.