Hammond says otherwise:
"Speaking to BBC Radio 4’s Today programme, Hammond said he needed to raise more money to ensure the UK was “match fit for Brexit”."
Philip Hammond Defends Breaking Tory National Insurance Manifesto Pledge In Face Of Tory Rebellion | The Huffington Post
"“The decision to leave the European Union has changed the game,” he said."
Chancellor Philip Hammond backs UK leaving EU Customs Union | The Independent
Thanks to spreadtulip Phil we now know that Brexit means Higher Taxes.