The authority has promised to stop charging councils business rates on public the gents so more stay open despite coronavirus-hit finances.
Commons Conductor Jacob Rees-Mogg told MPs the measure, which will be included in a conformist bill, would be a “relief to all”.
Chancellor Rishi Sunak pledged to invite in this change in February’s Budget.
UK councils stopped maintaining one in eight projected toilets between 2010 and 2018, according to BBC findings.
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The Non-Domestic Berating (Public Lavatories) Bill for England and Wales will be debated in the Race of Commons next week.
During Business Questions on Thursday, Tory MP Richard Holden said councils dealing with the effects of coronavirus honoured “huge financial pressures that have forced them to thick as thieves” public toilets.
Mr Rees-Mogg replied: “The taxation of toilets has been an proclaim since the reign of [Roman] Emperor Vespasian [AD 69 to 79], when he very well said, ‘Pecunia non olet’ – money does not stink – and thought it was rather reasonable to tax lavatorial facilities.
“Her Majesty’s government takes the opposite representation and is keen to remove this tax and I hope it will be a relief to all.”
One of Mr Sunak’s predecessors as chancellor, Philip Hammond, also promised legislation for business reckon relief for public toilets in 2018, but there was not time to squeeze anything with the aid during that parliamentary session.