English Conservatives in the 1842 created the income tax to shift the burden from the conservative groups landed aristocracy that paid indirect tax, to direct taxation of industrialist.

English Conservatives of the 1840s political target was industrialization.

Sir Peel would pushed through repeal of the Corn Laws that artificially enhanced the value of ag producing property controlled mostly by members of the Conservative Party by creating high food prices. It was protectionist measure on imported grain. You know large land owner farm subsidies. The Conservatives rebelled at the repeal of the Corn Laws. Peel lost the government. The Whigs took political

Thus, the Conservatives of the 1840s sought to control the market to the detriment of working class in the 1840s.

Prior to 1842, British Income Tax had been an emergency funding for war.

https://www.att.org.uk/history-income-tax-and-hmrc

Primary Source material on Conservatives on acting the Income Tax.

https://api.parliament.uk/hist...42/apr/29/income-tax

Technically, the 1842 British Income Tax is temporary. However, since 1842 regardless of who controls parliament this renewed.

Thatcher was a taxer too. She implemented a poll tax and nearly doubled the VAR from 8 to 15 percent. VAT is a precursor to all the Flat Tax think tankers running around. Charmley, A History of Conservative Politics since 1830, page 231-232; https://www.bbc.co.uk/news/business-22064354.amp; https://lordslibrary.parliamen...added-tax-vat-at-50/


Conservatives Major and Cameron also increased VAT.

https://johnmajorarchive.org.u...-fuel-24-march-1993/


https://www.bbc.co.uk/news/uk-politics-12145417.amp