Might be a bit late, but Try Arthur Bale in Cathays friendly good knowledge of airguns have some stock but can order in if not in stock and are competitive good range of pellets and extras as well.
http://www.arthurbale.co.uk/
Might get a deal on a TX200 or HW95 with scope in budget
http://www.arthurbale.co.uk/p48846/A...b290-2721-2721
http://www.arthurbale.co.uk/p48872/W...b290-2723-2723