Homeowners often face unexpected issues with their drainage systems, such as blocked drains or clogged sinks. These problems can disrupt daily life and lead to costly repairs if left unchecked. One effective way to diagnose and address drainage issues is through CCTV drain surveys . This guide explains why homeowners should consider these surveys, when to schedule them, and how much they typically cost. It also covers related services like drain unblocking, drain cleaning, an