The bounce in stamp costs over the previous few years, along with Royal Mail’s poor supply efficiency, has angered many shopper teams.
The rise has been criticised by the charity Citizens Advice, which final month mentioned worth rises ought to be tied to efficiency.
In current weeks, the Royal Mail has confronted a number of complaints from MPs and the general public about its letter service.
Last month, postal staff from throughout the UK told the BBC they were being asked to move or hide mail from senior bosses so it seemed like supply targets had been being met.
The firm mentioned it took claims that posties had been hiding letters “very seriously”, including 92% of letters had been delivered on time.
March additionally noticed Royal Mail bosses reply questions from MPs concerning the ongoing postal delays. Its proprietor, Daniel Křetínský, admitted the service was not excellent however mentioned he had a plan to repair the scenario.
That got here after the chair of the Business and Trade Committee, Liam Byrne, mentioned he was “very concerned” over experiences of “significant failures” in Royal Mail’s letter service.
In February, the committee wrote to Royal Mail asking for commitments to enhance what it described as “chaos” in some postal areas since Christmas.