Thank you Tamer
I've had an advent full time with my diorama, I made up a darker burnt umber/red mix and applied a second coat to the door section of brick work. Then using a fine brush I went in between every brick, blending in any excess.
I used a grey around the windows, painted silver onto wooden BBQ squires which were then used as bars for them.
A watered down grey wash was applied to the base and a metal silver wash was used over the manhole cover.
The door and doorframe had second coats applied to them and the front steps glued to the front. The sign above the door was painted in a sand stone colour and using a fine brush, I filled in the lettering.
A black wash has also been applied to the back as well.