How can we make our services more useful for you? Also ideal cleaner for waste disposals. A powerful solution to clogged drains! double trouble for the blocked drains! We will safely disconnect and take away your old gas boiler for recycling. However, although many of our clients are certain a drain survey is something they require, not many are sure of the cost of carrying out the process so, how much does a cctv drain survey cost? Volume / issue / january . Smart controls can help with that.