# The Heat Networks (Market Framework) (Great Britain) (Amendment) (No. 2) Regulations 2026, Regulation 4: Heat Networks (Market Framework) (Great Britain) Regulations 2025 amended


(1) The Heat Networks (Market Framework) (Great Britain) Regulations 2025 are amended as follows.
(2) In regulation 56(11) (application of Part 2 of the Consumers, Estate Agents and Redress Act 2007 with modifications)—
(a) for the definition of “micro-business” substitute—
““micro-business” means a business that—
(a) consumes less than 247,000 kilowatt hours of heat per year; or
(b) has fewer than 10 full-time equivalent employees and—
(i) an annual turnover of £2 million or less; or
(ii) a balance sheet total of £2 million or less;”;
(b) for the definition of “small business” substitute—
““small business” means a business other than a micro-business that—
(a) consumes less than 420,000 kilowatt hours of heat per year; or
(b) has fewer than 50 full-time equivalent employees and—
(i) an annual turnover of £6.5 million or less; or
(ii) a balance sheet total of £5 million or less.”.

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Source: https://www.legislation.gov.uk/uksi/2026/10/regulation/4 (the official version)
Page: https://openlegislation.uk/heat-networks-market-framework-great-britain-amendment-no-2-regulations-2026/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.