It’s time to start planning your Heritage Open Day trips

For a couple of weeks in September, thousands of buildings across the UK, mostly outside London, are open to the public.The Heritage Open Days are a UK-wide version of the London Open House events, and while the vast majority are open to wander in and look around, some require advance booking. They range from old buildings to theatres to sewage pumping stations.
Some are taking bookings now, but many won’t be for a week or two, so now is the time to plan your day trips to (mostly) outside