Your £5 per night will take some beating,lots of sites within your 1.5hrs Derbyshire,,yorkshire, and around Lancaster area.Have a look at the campsite search facility you will be able to look in all areas and read reviews.Good luck
Park cliffe windermere although not cheap is u n beatable it has stunning showers and bathrooms,play area,bar,restaurant,they even took me and my 2yr old to hospital late one night in their landrover (20 miles away) and brought us back, Bet no one can beat that for service? They also came round on our morning of departure and said stay later if you want as no one is booked on your pitch.This site sets the benchmark for all other sites.
Amazing family weekend with old steam engines, classic car displays, market stalls, and full catering and bar. And camping on site - Save £25 by booking in advance.