In London, the average fire engine arrives at the scene six minutes after being called – at Grenfell Tower, this was nowhere near soon enough. The first 999 calls were made from the block at 12.54am ...

The fourth in our series of NBS Shortcuts looks at rainscreen cladding. Its modern incarnation was developed in the 1940s, and in the 1950s the UK’s Building Research Station advocated drained and ...