When your drains become blocked, not only will you find that water starts to back up and cause an unpleasant smell, but the cost of fixing a blocked drain is considerably more expensive than the cost to maintain and clean your drains. Offering a comprehensive drain maintenance service to clients around London, here at London Drainage Facilities we often see clients making the same mistakes which could be causing unseen but extensive damage to their drains. Left untreated, these mistakes soon turn into costly (and smelly) problems. And whilst we are experienced in undoing months and even years of poor…