Blocked Drains Letchworth Jun 2026
"We see it time and time again," explains James Miller, a drainage engineer who has worked in North Hertfordshire for fifteen years. "In the older conservation areas, you have a mix of clay pipes and early pitch fibre systems. Over decades, they don't just block; they deform. A slight crack invites a root, and suddenly, you have a sewage backup in a £500,000 property."