Single storey rear extension (1.376 metres long by 3.028 metres wide with an eaves height of 2.25 metres and a maximum height of 3.23 metres), and external chimney breast/flue for installation of log burner (base structure 0.575 metres wide by 1.79 metres long with a 1.8 metre high eaves and a maximum height of 2.435 metres, and a metal flue above which extends 1 metre above the front roof plane)