Ainscough Drains is a blocked drains company in Preston who are your one stop shop for all your drain unblocking needs! Our blocked drain service is just one of the many high-quality services we provide. At Ainscough Drains we offer a variety of services for the modern household and beyond including unblocking for blocked toilets, blocked sinks, domestic drains unblocking and even commercial drains unblocking. Blocked Drains Preston. Domestic & Commercial Drains jetted & cleared for just £50 & £70.00 respectively. No hidden extras. Ring 01772 619310