Cosy one bed flat available short term/temporarily

Spacious cosy one bedroom flat with balcony available temporarily while I am out of town. I would prefer one month but Flexible i between 2 weeks to max 2 months in duration.. Excellent location surrounded by commons, parks and riverside,, 6 min walk to rail/train, buses and amenities. 20 mins by train to Waterloo/ Southbank, via Vauxhall and Clapham Junction. Buses to Central London, Kensington, Richmond, Hammersmith, Wimbledon etc. I would prefer a clean/tidy, quiet professional or student girl or couple.
£500 week or £1980 month inc. bills (energy usage within reason).