Practices

Conservation of fuel and power: Approved Document L1A (2013)

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Approved Document L1A: Conservation of fuel and power in new dwellings - 2013 edition incorporating 2016 amendments-for use in England

 

This approved document is one of four approved documents that give guidance on how to comply with the energy efficiency requirements of the Building Regulations 2010 for England:

 

This approved document contains the following sections:

 

  • Section 1 sets out the relevant legal requirement and provides an overview of the steps to demonstrate compliance.
  • Section 2 sets out the considerations that apply to demonstrating that the design of the building will meet the energy efficiency requirements.
  • Section 3 sets out the considerations that apply when demonstrating that the design has been appropriately translated into actual construction performance.
  • Section 4 describes the information that should be provided to occupiers to help them achieve reasonable standards of energy efficiency in practice.
  • Section 5 provides a pointer to some useful information on different design approaches to meeting the energy efficiency requirements.

 

Approved documents set out what, in ordinary circumstances, may be accepted as reasonable provision for compliance with the relevant requirements of the Building Regulations to which they refer. However, there may well be alternative ways of achieving compliance with the requirements. Thus there is no obligation to adopt any particular solution contained in an Approved Document if it is preferred to meet the relevant requirement in some other way.