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Approved Document L: Conservation of fuel and power - Volume 2: Buildings other than dwellings (2021 edition)

Author/EditorHM Government (Author)
Publisher: RIBA Publishing
ISBN: 9781914124792
Pub Date01/01/2022
BindingPaperback
Pages112
Dimensions (mm)297(h) * 210(w)
£25.00
excluding shipping
Availability: 339 In Stock
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This Approved Document provides guidance on how to comply with Part L to Schedule 1 of the Building Regulations and the associated energy efficiency requirements for buildings other than dwellings, and takes effect on 15 June 2022. It does not apply to work subject to a building notice, full plans application or initial notice submitted before that date, provided the work is started on site before 15 June 2023.

ADL2: Conservation of fuel and power – Buildings other than dwellings (2021 edition) contains the following sections:

  • Calculating the target primary energy rate and target emission rate
  • Calculating the building primary energy rate and dwelling emission rate
  • Consideration of high efficiency alternative systems
  • Limiting heat gains and losses
  • Minimum building services efficiencies and controls – general guidance
  • System specific guidance
  • Air permeability and pressure testing
  • Commissioning
  • Providing information
  • New elements in existing buildings, including extensions
  • Work to elements in existing buildings
  • Consequential improvements
  • Key terms
  • Lighting Energy Numeric Indicator (LENI)
  • Reporting evidence of compliance
  • Measures for consequential improvements
  • Hierarchy for establishing seasonal efficiencies of existing boilers

The guidance in this Approved Document only relates to England and applies to dwellings other than dwellings only. For guidance relating to dwellings, use Approved Document L, Volume 1: Dwellings.

This Approved Document provides guidance on how to comply with Part L to Schedule 1 of the Building Regulations and the associated energy efficiency requirements for buildings other than dwellings, and takes effect on 15 June 2022. It does not apply to work subject to a building notice, full plans application or initial notice submitted before that date, provided the work is started on site before 15 June 2023.

ADL2: Conservation of fuel and power – Buildings other than dwellings (2021 edition) contains the following sections:

  • Calculating the target primary energy rate and target emission rate
  • Calculating the building primary energy rate and dwelling emission rate
  • Consideration of high efficiency alternative systems
  • Limiting heat gains and losses
  • Minimum building services efficiencies and controls – general guidance
  • System specific guidance
  • Air permeability and pressure testing
  • Commissioning
  • Providing information
  • New elements in existing buildings, including extensions
  • Work to elements in existing buildings
  • Consequential improvements
  • Key terms
  • Lighting Energy Numeric Indicator (LENI)
  • Reporting evidence of compliance
  • Measures for consequential improvements
  • Hierarchy for establishing seasonal efficiencies of existing boilers

The guidance in this Approved Document only relates to England and applies to dwellings other than dwellings only. For guidance relating to dwellings, use Approved Document L, Volume 1: Dwellings.

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