MONDAY is “Game of Thrones” night at The Collective’s Old Oak building. Millennials congregate in TV rooms around the 11-storey, 550-person block. Some gather at the cinema, lounging on bean bags decorated with old graphics from Life magazine. Nothing gets residents out of their rooms like the hit TV show. This is not a student dorm, however. It is home.

The Collective is a pioneer of a new property format known as “co-living”. Instead of self-contained flats, residents live in tiny rooms with 12 square metres of floor space. Most contain just a bed and a bathroom. During a two-night stay your correspondent could barely fit his shoulders into the shower cubicle.

It is outside these rooms that the building makes its pitch. It comes with a gym, spa, libraries, a good restaurant and a cinema. Residents get access to all of these amenities, as well as their room, for a rental payment of £800-£1,000 ($1,033-$1,292) a month. That includes all bills and high-speed Wi-Fi; they pay extra for meals in the restaurant. Residents have come up with their own services, too. The Collective houses a “library of things”, or a shared repository of useful objects—hammers, tape measures and even tents.

Rising rents have opened up a gap in the market. The ratio of average rents to incomes in London rose from a quarter...Continue reading