External wall insulation involves fixing a layer of insulation material to the wall, then covering it with a special type of render, the finish can be smooth, textured, painted, tiled, panelled, pebble-dashed, or finished with brick slips. It is less disruptive, because the work takes place outside your home – but your gas, electricity, or water my have to be cut off for a few days. It won’t shrink the size of any of your rooms. It can improve the appearance of your home’s outside walls, as you can choose whatever finish you want. It is a low maintenance, high performance insulation measure. Reduce heat loss and CO2 emissions. Improved draught proofing. It can make your home soundproof and weather-resistant.