Demolition of the existing single storey garage in the rear garden and erection of a replacement two storey plus-basement single family dwellinghouse; alterations to the main building at no. 12 Ongar Road to include: erection of a single storey rear extension, to the side and rear of the existing back addition at basement level; erection of an external staircase from basement to ground floor level at the rear of the property; infilling of 1no window at the side of rear back additions at ground and first floor level (northern elevation); installation of a new window to replace the existing window to the side of rear back addition, and replacement of existing doors with a new window to the rear of proposed bedroom 5 at basement level; replacement of selected windows with new double glazed windows, and relocation of 2no windows to southern and eastern elevation of the main building at no. 12 Ongar Road; formation of a cycle and refuse store with an air source heat pump attached to the store; erection of boundary wall and gates to Sedlescombe Road elevation.

Erection of rear extensions at ground, first and second floor levels and installation of new doors to replace the existing doors of the garage to the front elevation in connection with the conversion of No. 18 Peterborough Road into a two-bedroom, three storey dwelling house; demolition of existing roof structure and erection of an additional floor at roof level at No. 22 and 24 Peterborough Road in connection with the creation of 1 x 1 bedroom and 1 x 2 bedroom self-contained flats and formation of 2 roof terraces at second floor level to front elevation; associated external alterations.