Green and Black Algae are removed leaving a clean sandstone patio After months of relentless rain, many homeowners across the area are noticing the same thing: patios, paths, roofs, decking, and walls have turned black or green and slippery. You’re not alone — this winter has created perfect conditions for moss and algae to thrive. According to the Royal Horticultural Society, algae and similar growths flourish in damp, shaded environments and often build up rapidly after wet

Moss growth on roofs is a familiar sight across Devon, thanks to our damp climate and shaded rural surroundings. While it may look harmless, moss can shorten the lifespan of your roof, block gutters, and lead to costly repairs if left untreated. This guide explains why moss becomes a problem, how to deal with it safely, and when it’s worth calling in a trained professional who can use licensed products to treat it. Why Moss Grows on Roofs in the UK Moss thrives in damp, shade