Shop for your flat is a Weekend Activity. Use this to go shopping for things that aren't clothes. In general the option to buy the items will only appear if you have enough money to purchase it and have not purchased it previously.

Item Cost Notes
A kettle £20
Mr Snuggles £35 Player must have the Cute trait for this to be purchasable.
Gourmet breakfast cookery book £40
A personal massager £50
Cooking gear £50
Posters £80 Not available if you have the Refined trait.
A TV £100
A sound system £100
A huge number of soft toys £120 Not available if you have the Bitchy or Refined traits.
Erotic art £200
Sophisticated art £300
A huge TV £500
A computer £800