Double en-suite room, own living room, kitchenette

Largely self-contained one-bedroom ground-floor flat as annexe to a detached house.
Double en-suite bedroom, own private living room/study, own private kitchenette. Private outside patio area. Separate private entrance.
Amenities shared with landlord - washing machine in kitchenette for which regular access is needed. Boiler, fuse box and stop-cock for the whole house are in the annexe, occasional access required for checks and maintenance. Otherwise the annexe flat is private.
All bills included in rent subject to fair use clause. Council tax included in rent.
Rent specified is for one person; £100 supplement for couples.
One pet may be considered subject to negotiation.