Notice
Notice of standards
Updated 29 September 2026
Applies to England and Wales
© Crown copyright 2026
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This publication is available at https://www.gov.uk/government/publications/boiler-upgrade-scheme-regulations-approved-standards-grant-categories-and-grant-levels/notice-of-standards
This notice confirms that the standards listed below are published for the purposes of Regulation 4 of ‘The Boiler Upgrade Scheme (England and Wales) Regulations 2022’.
| Regulation | Approved standards |
|---|---|
| 4(1)(a)(i) | BS EN ISO/IEC 17065:2012 - Conformity assessment. Requirements for bodies certifying products, processes and services. |
| 4(1)(a)(ii) | BS EN ISO/IEC 17065:2012 - Conformity assessment. Requirements for bodies certifying products, processes and services. |
| 4(1)(b) | Version 8.0 of the document entitled ‘MCS 007 The Heat Pump Product Standard’ published on 5 December 2025. BS EN 14511-1:2018 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Terms and definitions. BS EN 14511-2:2018 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Test conditions. BS EN 14511-3:2018 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Test methods. BS EN 14511-4:2018 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Requirements. |
| 4(1)(c) | Version 1.0 of the document entitled ‘MCS 026 Seasonal Coefficient of Performance Calculator’ published on 1 May 2015. BS EN 14825:2018 Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling. Testing and rating at part load conditions and calculation of seasonal performance. |
| 4(1)(d) | Version 3.1 of the document entitled ‘MCS 008 Product Certification Scheme Requirements: Biomass’ published on 1 December 2019. BS EN 303-5:2021 Heating boilers - Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW. Terminology, requirements, testing and marking. BS EN 16510-1:2018 Residential solid fuel burning appliances - General requirements and test methods. |
| 4(1)(e) | BS EN ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. |
| 4(1)(f) | BS EN 303-5:2021 Heating boilers - Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW. Terminology, requirements, testing and marking. |
| 4(1)(g) | In relation to NOx emissions: - BS EN 14792:2017 Stationary source emissions. Determination of mass concentration of nitrogen oxides. Standard reference method. Chemiluminescence. In relation to PM emissions: - BS EN 13284-1:2017 Stationary source emissions. Determination of low range mass concentration of dust. Manual gravimetric method. - BS ISO 9096:2017 Stationary source emissions. Manual determination of mass concentration of particulate matter. |
| 4(1)(h)(i) | Version 4.3 of the document entitled ‘Microgeneration Installation Standard: MIS 3004 The Biomass Installation Standard’ published on 5 December 2025. Version 1.0 of the document entitled ‘Microgeneration Installation Standard: MIS 3004:2025 Biomass: Installation Standard’ published on 1 January 2025. |
| 4(1)(h)(ii) | Version 1.0 of the document entitled ‘Microgeneration Installation Standard: MIS 3005-I The Heat Pump Standard (Installation)’ published on 1 December 2021. Version 3.0 of the document entitled ‘Microgeneration Installation Standard: MIS 3005-D The Heat Pump Standard (Design)’ published on 5 December 2025. Version 1.0 of the document entitled ‘Microgeneration Installation Standard: MIS 3005-I:2025 Heat Pump: Installation Standard’ published on 1 January 2025. Version 2.0 of the document entitled ‘Microgeneration Installation Standard: MIS 3005-D:2025 Heat Pump: Design Standard’ published on 5 December 2025. |
| 4(1)(j) | Home Insulation and Energy Systems Contractors Scheme (HIES) Code of Practice Version S published on 10 July 2026, and operational from 10 August 2026. or Renewable Energy Consumer Code (RECC) Version 8 published on 5 July 2023. or Microgeneration Certification Scheme: 2025 Version 1 published on 1 January 2025. |
| 4(1A) | Microgeneration Certification Scheme: 2025 Version 1 published on 1 January 2025. |