With around 5 billion square feet under roof, the projects and the representative owners include many of the largest green portfolios, measured as the estimated share of total portfolio value that has either LEED or EnergyStar certification.

FORBES: Benchmarking Green: The First Investable US Green Property Indexes for REITs

Peter Ferris, site representative at the Weald Allotments in Hove, said owners were supposed to plant 75% of their land.

BBC: Overgrown allotment warnings issued by Brighton council

However, Colin Finch, legal and parliamentary representative from the National Federation of Retail Newsagents reckoned life would be easier for shop-owners if the age was raised.

BBC: NEWS | Health | Smoking age could increase to 18