Not Quite Georgian

If it's trying to blend in with the neighbourhood, what on earth are the green windowframes about?

From wander: Mirror Maze
Taken: Sun 10 January 2021 12:13
Rating: ★

GPS Coordinates: 51.46156, -2.60355
Location: Woodland Road

Not Quite Georgian
If it's trying to blend in with the neighbourhood, what on earth are the green windowframes about?