Download Part L - conservation of fuel and power of the UK Building Regulations Approved Documents

Part L1 is specific to dwellings. It controls the insulation values of building elements, the allowable area of windows, doors and other openings, air permeability of the structure, the heating efficiency of boilers and the insulation and controls for heating appliances and systems together with hot water storage and lighting efficiency. It also sets requirements for SAP and Carbon Index ratings for dwellings. Further regulations also require the advertising of these ratings.

Part L2 relates to all building uses other than dwellings. In addition to insulation requirements and limitation of openings of the building fabric this part considers solar heating and heat gains to structures, it controls heating, mechanical ventilation and air conditioning systems, lighting efficiency, space heating controls, air permeability plus air tightness testing of larger buildings, solar emission, the certification, testing and commissioning of heating and ventilation systems, and requirements for energy meters.

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Download your free Building Regulation Approved Documents

CONSERVATION OF FUEL AND POWER (PART L)

Here are some of the headings included within Part L