This dataset comprises data from the BES 2001 election campaign telephone survey, including filters and weights for constructing the seven-day rolling cross-sections, and in addition, constituency-level information for aggregate analysis. Approximately 150 telephone interviews were conducted for the campaign panel survey each day. Respondents interviewed in the pre-election rolling cross-section survey were re-interviewed immediately after the election. The following subjects were covered in the survey: political preferences and values, economic perceptions, social attitudes, dispositions to engage in different forms of political activity, individual and household socio-demographic characteristics.