SELF-CATERING specialist Chez Nous (0484 684075), which offers more than 1,000 properties throughout France, has late discounts for rentals during May and June. A Provencal villa with pool near Antibes, which sleeps eight, is available until the end of May for pounds 300 a week; a three-bedroom farmhouse in the Dordogne with pool is available for pounds 487 a week throughout June.