Conservation of fuel and power: Approved Document L, Volume 1 — Dwellings

O N L I N E V E R S I O N R40, R40A Section 9: Providing information Operating and maintenance instructions 9.1 For a new dwelling and for work to an existing dwelling, operating and maintenance instructions should be given to the owners of the dwelling for any fixed building services and on-site electricity generation installed as part of the work. The instructions should contain sufficient information to help the occupiers achieve the expected level of energy efficiency and to verify that any fixed building services and on-site electricity generation comply with the energy performance requirements of the Building Regulations. The documentation should be all of the following. a. Easy to understand. b. Specific to the dwelling. c. Durable. d. In an accessible format. 9.2 For a new dwelling and for work to an existing dwelling, the operating and maintenance instructions should do all of the following. a. Explain the following for the fixed building services and on-site electricity generation and any other technologies. i. What they are. ii. What they are for. iii. Where they are located, using a floor plan. iv. How to operate them, including the location and operation of timers and sensors. v. How to maintain them. b. Signpost other important documentation, such as appliance manuals. c. Include a completed commissioning sheet, where relevant. Additional information for new dwellings 9.3 For new dwellings, a signed copy of the Building Regulations England Part L compliance report (BREL report) and photographic evidence of the build quality should be provided to the homeowner. 9.4 For new dwellings, the operating and maintenance instructions should signpost both of the following. a. The as-built BREL report, which includes data used to calculate dwelling primary energy rate, dwelling emission rate and dwelling fabric energy efficiency rate. b. The recommendations report generated with the ‘on-construction’ energy performance certificate. 58 Approved Document L Volume 1, 2021 edition Building Regulations 2010 O N L I N E V E R S I O N