We were asked by a local church to remove and clean some pigeon droppings from a feature window. The wire mesh which had kept the pigeons out had blown off in a storm and the pigeons had been roosting in the window for over a year, making quite a mess. We first had to remove the remaining mesh, then we sprayed down the area with a biocide to kill off all the nasty diseases before removing all the solid waste into bags for disposal. We then gave the whole area a thorough wash down and another coat of the biocide. Finally we were asked to replace the mesh to stop the pigeons coming back.