They have it at my favorite strip Badminton! Mind you for the couple of times the Earl uses it, £2060 for Spectrum Pricing will make it an expensive landing. If an aircraft calls to announce its arrival, how could connecting the receiver of that signal to a lighting system be illegal? The alternative would be the Armstrong method, where his lordship's butler pulls a handle in the palace connected by a suitable system of gears and linkages to the lighting switch at the airfield when he hears the aircraft transmit.
CAP168 has no legal status and contains the following statement:
The purpose of this document is to give guidance to applicants and licence holders on the procedure for the issue and continuation of or variation to an aerodrome licence issued under Article 128 of the ANO 2005, and to indicate the licensing requirements that are used for assessing a variation or an application. The document also describes the CAA’s aerodrome licensing requirements relating to operational management and the planning of aerodrome development. This document represents the minimum standards necessary to meet the licensing requirement.