The areas listed in your Draft are the entire parishes in North Hertfordshire mentioned in Schedule Seven of The Housing (Right to Enfranchise) (Designated Protected Areas) (England) Order 2009 (as referenced in your footnote 21.)
Your draft omits the Designated Protected Areas in North Hertfordshire mentioned in Schedule Eight of the legislation which are defined by maps. Schedule Eight includes maps covering the North Hertfordshire parishes of Ippolitts and Knebworth.
These additional areas should be included in paragraph 5.2.41.
For your information Schedule Eight ‘Designated Protected Areas in the East of England — by Maps’ can be found at:
https://www.legislation.gov.uk/uksi/2009/2098/schedule/8/made
Para 5.2.8 Should also include Knebworth - KB1, KB2 & KB4 and St Ippolitts HT2