The RAF only had two of this type and used it on the Prestwick to Reykjavík route. The terrain in the photo is flat so it could be Ayrshire. I looked on google maps, hoping to find that river feature (top right of photo) in Ayshire. I reckon its the junction of the River Ayr and the water of Coyle at 55.497754, -4.386339
I reckon the industrial facility in centre shot is Killoch Colliery at 55.452045, -4.408903
Don't be too quick to thank me. I dug a little deeper and found that the colliery I thought was in the shot was only built in the late 50's. The aircraft was destroyed I think in 1942 so its back to the drawing board. Good fun though. We need to identify that industrial/storage depot with the rail lines running into it.