In September 2022, the FT published https://www.ft.com/content/d5f1d564-8c08-4711-b11d-9c6c7759f2b8 (no-paywall at https://archive.is/6P8FI).
It had a graphic that showed where voters for the Brexit, Conservatives, Liberal Democrats and Labour parties mapped themselves to be in 2019 as an outcome of research questions, on axes of economic and social values.
The focus was on the distance between where Conservative voters viewed themselves to be and where the party’s MPs were. I’ve overlayed where Reform UK representatives probably are