1)
The rear extension by reason of its size and siting would project beyond the rear building line and closet wing and would not respect the rhythm of the terrace. By infilling a historically valuable open space, the extension would disrupt the prevailing regular relationship between the house and rear garden. The proposal would fail to safeguard the setting of the listed building, contrary to development plan policy in particular Core Strategy policy CL4.
2)
The rear extension by reason of its detailed design would not relate well to the parent building, representing an incongruous feature that would fail to safeguard the special interest of the listed building, contrary to development plan policy in particular Core Strategy policy CL4.
3)
The rear extension by reason of its relationship to the rest of the house would damage the original plan form by creating a disproportionately large and open plan room that would fail to safeguard the special interest of the listed building, contrary to development plan policy in particular Core Strategy policy CL4.