Idyllic, historic, affluent are some of the few accurate adjectives to describe St. John's Wood. As far as location goes, you'd be hard pushed to find better in London, combining a desirable central position with a leafy, tranquil backdrop of an outer suburb.
St John's Wood Underground Station (Jubilee Line) is an 8 minute walk away. Maida Vale Underground Station (Bakerloo Line) is a 10 minute walk away.