On 4th May 2020 HM Land Registry issued new guidance to identity verification and the signing of deeds. Please note, these are stated as being temporary. They have extended the classes of people who they are happy verifying identity.
Here is a link to their press release: https://www.gov.uk/government/news/changes-to-identity-verification-and-signing-deeds?utm_medium=email&utm_source=govdelivery&utm_term=
Here is a link to Practice Guide 67A with more detail on the extension of classes of people who can verify identity: https://www.gov.uk/government/publications/temporary-changes-to-hm-land-registrys-evidence-of-identity-requirements-pg67a/practice-guide-67a-temporary-changes-to-hm-land-registrys-evidence-of-identity-requirements
Here is a link to Practice Guide 8 with more information concerning the process for the execution of deeds: https://www.gov.uk/government/publications/execution-of-deeds/practice-guide-8-execution-of-deeds
