Royal Mail’s prices are going up from the 23rd March 2020, Don’t get caught out..
New Royal Mail prices can be found here: https://www.royalmail.com/sites/royalmail.com/files/2020-02/royal-mail-our-prices-valid-from-23-march-2020.pdf?fbclid=IwAR0sFLgGBOnNgGKKW7Su2SEQD9KuSH03PCq2QhwWSC110mLDYWh0uoMzsaw