SI 2018/436 The Works Detrimental to Navigation (Powers and Duties of Inspectors) Regulations 2018 (link)
These Regulations confer powers on inspectors appointed by the Secretary of State under Part 4A of the Energy Act 2008 (works detrimental to navigation).
Section 82A of the Energy Act 2008 prohibits the carrying out of certain operations in the regulated zone (as defined in section 82Q) without the written consent of the Secretary of State. Section 82N(1) gives the Secretary of State the power to appoint inspectors to assist in carrying out the Secretary of State’s functions under Part 4A.
Source: HMSO.