Spring is officially in the air and, of course, it is the perfect time to spruce up the house and dabble in a bit of DIY. However, without the right knowledge, many seemingly-simple DIY jobs can end in a costly disaster – leading to thousands of pounds of repair work. Here, Julie Spinks, at WaterSafe, the UK’s national plumbing assurance scheme, tells you what you need to know: Do… Do use a plumber that is qualified and WaterSafe registered, you…