Hubble, a London-headquartered a startup founded in 2014 to ride the coattails of the trend towards flexible office space, has picked up £1.2 million in new funding. Leading the round is Firestartr, with participation by 500 Startups, Maxfield Capital, and Concrete. The latter is a ‘proptech’ fund backed by Seedcamp and Starwood Capital and for which Hubble is its first tech investment.