Light Spells/Winifred Nicholson Until 23 September. Two exhibitions at Kettle's Yard, Castle St, Cambridge.
Details 01223 352124.
Lime Mortar & Conservation Brickwork 26-28 September. A course at Cressing Temple, Essex. Details Pauline Hudspith 01245 437672.
Flat and Low Pitched Roofs Seminar Tuesday 2 October. At the BRE, Garston. Details Angela Mondair 01923 664775.