Scotland:
Torridon campsite is a basic tents only campsite in the village of Torridon, Wester Ross.
Free camping!
No need to book, just turn up
Toilet block with free hot showers, hot & cold water, electric razor points
Pub 1 mile away, basic provisions available in the Youth Hostel next door to the campsite
The Red Squirrel, Glencoe, is a basic tents and carvanettes only campsite 2 miles from Glencoe village
http://www.redsquirrelcampsite.co.uk/£7.50 pppn
No need to book, just turn up
Toilets with hot & cold water, electric razor points, showers @ 50p for 8 mins of hot water (although can be had for free!), tourist info
Pub <1 mile away, shop, fuel, post office 2 miles away