25 John's Mews London WC1N 2NS
Confirmation that planning permission 2020/5883/P and listed building consent 2021/0122/L (dated 19/11/2021 and 22/11/2021) for "erection of basement extension and installation of ventilation riser at roof level. Internal alterations" were lawfully implemented by the carrying out of material operations prior to the expiry of the permissions.