Companies house psc registration number does not include leading 0's

Example:

https://find-and-update.company-information.service.gov.uk/company/06734419/persons-with-significant-control

This companies PSC is Bpt Limited, with the registration number showing as 229269 , but in reality their registration number is 00229269 if you go to their profile https://find-and-update.company-information.service.gov.uk/company/00229269 .