Earlier quoted context omitted.
How are property taxes calculated in [...] London? Properties are assigned to a tax band based on the tax office's assessment of the house's value were it to have been sold in April 1991. Bands vary from A (less than £40,000) to H (more than £320,000). The council tax ratios between the bands are fixed - so a band A property always pays one third the price of a band H property. The band a house is assigned to is esse…
Another disadvantage is that it's regressive because the bands are quite limited: "The poorest lose 8% of their income to the Council Tax system whilst the richest only lose 2%." ( https://www.equalitytrust.org.uk/how-regressive-our-tax-syst... ) "Europe tells UK to reform ‘regressive’ council tax system": http://www.localgov.co.uk/Europe-tells-UK-to-reform-regressi...
Seems HN group think favours regressive tax?