Thanks all - I'm glad you enjoyed my little tale
The photos were all shot in Canon CR2 (RAW) and processed with (the quite incredible) Adobe Lightroom 5. If any of you guys shoot RAW, I think you'll be blown away by just how versatile Lightroom is. I can't compare it with the RAW editing in the full version of Photoshop, but this thing knocks my PS Elements and the Canon DPP software into a cocked hat.
Here's another example of the atrocious 60s architecture, this shows the all-concrete Blackfriars Shopping Centre & car park from around 1987:
At least the Council had the common decency to bulldoze it a few years ago and replace it with a car park and bus station that at least someone made a bit of an effort with, they even clad it in tradition bricks and mortar: