It's all very well putting RISK in capital letters, but what is the actual level of risk? Are you suggesting there is a significant risk of C# House collapsing as a result of these works? That suggests that HS2's engineers haven't properly considered the impact on the thousands of buildings near the tunnels and haven't taken steps to mitigate that.

You are critical of EFDSS for failing to take action, so what are you proposing they should do about it?