Section 73 application to vary condition no.3 (approved plans) of planning permission ref: 21/00380/FUL (Erection of 3no. detached dwellinghouses, erection of stableblock and erection of 1no. detached garage, following the demolition of the existing equestrian facilities and storage building) to amend the site layout and to include a new vehicular access off Back Lane to serve plots 2 and 3