ADVANTAGE DRAINS - no drainage work is too big a challenge Blocked drainage can be unpleasant and at times frustrating. This is where we come in to provide professional and affordable solutions. Advantage Drains is a professional establishment that deals with: · all kinds of blockages in sinks, toilets and drainage system · CCTV Surveys to identify complex blockage, · carrying out dig-n-repair works, · general maintenance (and repair where necessary) of the drainage system We cover all areas, undertaking all domestic, industrial and commercial jobs.