Jonathan and Julia offer a very attractive place for staying in London. Their place offers basically everything you need to enjoy your stay. The rooms are nicely furnished, beds are comfortable and the kitchen can be used to prepare your own meals easily without disturbing Julia's and Jonathan's life. Above all, the two are kind and helpful and are willing to help you making the most of your time in London. These points outweigh the fact that Abbey Wood is in zone 4. In short: Got to Abbey Wood and enjoy London!