Number of towers of 20 or more storeys that are planned or under construction hits new record of 541
After delay over referendum result owners confirm 278-metre tower at 22 Bishopsgate will go ahead
With more than 400 high-rises planned, major survey shows residents want numbers curbed
In the battle between heritage and development, we face a ‘crisis of verticality’. But does an approach to planning based on protected views just turn the city into a museum?