Non-domestic building services compliance guide
The Non-Domestic Building Services Compliance Guide provides guidance for the installation of fixed building services in new and existing non-domestic buildings to help achieve compliance with the energy efficiency requirements of the building regulations.
It is published by the government and provides more detailed information on the guidance contained in Approved Document L2A: Conservation of fuel and power in new buildings other than dwellings, and Approved Document L2B: Conservation of fuel and power in existing buildings other than dwellings
The latest version was published in 2013 and came into effect in April 2014. It is concerned with the design, installation and commissioning of:
- Conventional means of providing primary space heating, domestic hot water, mechanical ventilation, comfort cooling and interior lighting.
- Low-carbon generation of heat by heat pumps and combined heat and power systems.
It sets out recommended minimum energy efficiency standards for components of building services systems. For systems installed in new buildings, the standards are design limits. For new or replacement systems and components installed in existing buildings, the standards represent reasonable provision for complying with the building regulations.
It also provides supplementary information regarding good practice that exceeds the minimum standards, such as Microgeneration Certification Scheme standards.
The structure of the guide is:
- Section 1: Introduction and summary of energy efficiency standards.
- Section 2: Gas, oil and biomass-fuel boilers.
- Section 3: Heat pumps.
- Section 4: Gas and oil-fired warm air heaters.
- Section 5: Gas and oil-fired radiant heaters.
- Section 6: Combined heat and power and community heating.
- Section 7: Direct electric space heating.
- Section 8: Domestic hot water.
- Section 9: Comfort cooling.
- Section 10: Air distribution.
- Section 11: Pipework and ductwork insulation.
- Section 12: Lighting.
- Section 13: Heating and cooling system circulators and water pumps.
The European directives that set the framework governing fixed building services include:
- The Ecodesign Directive 2009/125/EC which provides a background for establishing the requirements for energy-related products.
- Energy Labelling Directive 2010/30/EU – This provides a system for labelling energy-related products such as lamps and washing machines.
- Renewable Energy Directive 2009/28/EC – This promotes the use of energy from renewable sources.
- Energy Efficiency Directive 2012/27/EU – This encourages energy efficiency to ensure that the EU meets the 20% energy consumption reduction comittment by 2020.
- Energy Performance of Buildings Directive 2013/31/EU – This directive sets out the minimum energy performance and the methods for calculating the performance of buildings, as well as inspections of heating and air conditioning units.
See also: Domestic building services compliance guide.
 Related articles on Designing Buildings Wiki.
- Air conditioning.
- Approved documents.
- Approved document L.
- Building regulations.
- Building services.
- Building services compliance with the building regulations.
- Combined heat and power.
- Domestic building services compliance guide.
- Energy related products regulations.
- Heat pump.
- Microgeneration certification scheme.
- Mechanical ventilation.
- Renewable energy.
 External references
Featured articles and news
The origins, evolution and future of Level 3 BIM.
For new and returning Urban Design students, check out our article list divided up into the modules you'll be studying.
Report states that health of urban dwellers could be significantly improved by rethinking transport design.
The Kremlin, the centre of Russian power, includes some of the country's finest architecture.
Report launched outlining steps for a national infrastructure system that is efficient, sustainable, and delivers until 2050.
A review of Justin Bere's concise and well-presented introductory guide to Passive House.
This article describes in detail the tender process for a typical commercial construction contract.
What is energy storage, what are the different types and what is its future?
MAD Architects reveal their designs for a state-of-the-art concert hall in Beijing.
Take a look at BIG's designs for two twisting towers in New York City.
'The filing cabinet' which was labelled one of the best British buildings of the 21st century.