Short Let 3-6 Months

A place to stay while I prepare for extended travel. I have recently extended my time in London before actually going on travel, and have increased my expected rental period. I'm a professional consultant in Technology Services for all industries. I like to chill at home in the evenings, and I mostly keep to myself or socialise with my friends online. That said, new experiences are good, and so I am planning to take a LOA from work and do several months worth of travel abroad. While I prepare for that trip, I need a spacious room to stay for 3-6 months, that is within 1 hour's travel of Liverpool Street Station. I'm looking for a well looked after place that is clean and in a decent area, and has a well-appointed kitchen. High speed broadband is a must, as well as space for a computer/ working desk in my room and my clothing shelf. Thanks for your interest.