The Government have now made the Parliamentary Elections (Returning Officers' Charges) Order 2010. From the information set out in that order it can be estimated that in Great Britain if the forthcoming general election is held on
We have not carried out a detailed assessment of the possible cost of conducting a general election under the alternative vote system. However, the features of a general election using the alternative vote system would broadly be the same as under the existing system: for example, in terms of the provision of ballot papers and polling stations. The count process might take longer in some cases, where no candidate wins outright on the first round; however, recounts may already extend the time taken to count under the existing system.