Starting out it is always a good idea to get a couple of lessons. You will not only progress far quicker but your instructor will also act as a guide showing you the best spots on the mountain for your ability.
In addition to ski rental Go!Ski also offer good value lessons. They will pick you up from your hotel, drive you to the ski area that they deem to be the best on any given day and provide you with three hours of instruction per day for five days for £112.80.