Are you working in London over the summer?
Canada Water is a great location to live in as it is so well connected. You're a 5 min walk from the tube. The Jubilee line connects you to Canary Wharf in 10 minutes, London Bridge in 10 minutes, Stratford in 15min or the City in 20 minutes.
Or hop on the Overground to be in Shoreditch in 20 minutes.
Hammersmith is a great location to live in as it is so well connected. You're a 5 min walk from the tube. The Piccadilly, District, Hammersmith & City and Circle line connects you to West London with ease. Paddington in 25 minutes, 35 minutes to Bank or Leicester Square in 30 minutes.
Mile End is a great location to live in as it is so well connected. You're a 5 min walk from the tube, with access to the Central, District, Hammersmith & City lines. Connecting you to The City, Bank, Liverpool Street and Moorgate in 20 minutes. Stratford in 15 minutes or North London in 30 minutes.
Or hop on the local bus network to be in Shoreditch & Canary Wharf within 20 minutes.