The January 2020 edition of Counting Religion in Britain is a special edition presenting an introduction and tables to the five core religion questions included in the British Household Panel Survey (1991-2009) and Understanding Society: United Kingdom Household Longitudinal Study (from 2009). These are two of the largest and most important longitudinal panel studies in the UK.
Included in Counting Religion in Britain are cross-sectional tables showing results for England, Wales, Scotland, and Great Britain; and longitudinal (constant panel) tables for Great Britain. They can be viewed at the following link:
In addition, an Excel version of the cross-sectional data is also available, showing breaks by age and gender, in the figures section of the BRIN website at:
http://www.brin.ac.uk/figures/british-household-panel-survey-and-understanding-society-1991-2019/
