Thanks for the feedback Les - I don't think you truly leave Gn15 behind once it has got under your skin.....
Latest developments on the layout: Applied the wasp front end to the loco, didn't come out too badly with just a bit of touching up to sort out. I've ordered an SLM figure to replace 'Biggles' as he isn't shaping up as well as I thought - he might be relegated to an office somewhere.
Also constructed the elevated 'control room.' which will be situated at second floor level above the hole in the wall in the above pic, essentially acting as a view block. This will be accessed via a catwalk and stairways. It is simply a basic box with the appropriate holes for windows and doors:
To this basic shell I added coffee stirrers to give the impression of planking.
After painting the interior was decked out using textures from the internet printed out onto matte ink jet paper.
Windows were then printed onto A4 labels on a laser, stuck to clear plastic and the panes cut out and peeled off. The frames were then drawn over with a Sharpie to hid the edges and ensure they are opaque.
Just need to weather the outside and make a start on the interior bits and bobs. I'll need to add a light too.
That's it for now.....