Location is definately a big deal. The things I would personally look for would be plenty of parking, on or within walking distance to a good bus route, and how easy is it to get to the nearest supermarket.
Try to find out what the previous occupants were paying for council tax and (if applicable) water, gas, electricity etc. Add that to the rent, and then use that as your basis for comparison.
Try to find out what the previous occupants were paying for council tax and (if applicable) water, gas, electricity etc. Add that to the rent, and then use that as your basis for comparison.