The best investment property in Canary Wharf is a flat in a well-run building, close to the station, with costs you’ve checked before you buy. Finding it takes a bit of care, but it’s worth the effort. Rents here have grown a lot: JLL says prime rents in Canary Wharf rose by 53.1% over five years. Growth is slowing across London now, so choose carefully. Here’s how to shortlist flats, what to...