3rd parties are actually subject to stricter spending rules: https://www.electoralcommission.org.uk/sites/default/files/pdf_file/Briefing-on-third-party-campaig

3rd parties are actually subject to stricter spending rules: https://www.electoralcommission.org.uk/sites/default/files/pdf_file/Briefing-on-third-party-campaigning-in-the-UK.pdf https://www.electoralcommission.org.uk/sites/default/files/p... (30K GBP is an average, since consitutencies in the UK have variations in population size. Constituencies do not get regularly recalculated unlike Congress redistricting every decade.)