Do plumbers offer a written warranty? Join to chat & swap tips with other moneysavers learn how in the. 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? Lanes group goes the extra half mile for badgers. Co-op energy offers customers up to £ to stick with it – but is it worth it? We have received several.