Following the 2023 amendments of Approved Document L: Volume 1 2021, it is now a requirement to obtain on site photographs as part of the evidence needed to produce Building Regulation Compliance reports and formally lodge Energy Performance Certificates.
Please find the link for the approved Part L document below:
Approved Document L, Conservation of fuel and power, Volume 1: Dwellings, 2021 edition incorporating 2023 amendments (publishing.service.gov.uk)

