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Boiler Plus 2018: What does the new legislation mean for you?

15th Dec 2017

Boiler Guide Team
By: Boiler Guide Team
Updated: 21st July 2021

From 6th April 2018 the legislation around heating manufacture and installation in the UK changed, and there were some big changes. Named Boiler Plus, these changes have been introduced by the Department for Business, Energy and Industrial Strategy (BEIS) and have an impact on boiler manufacturers, installers and homeowners.

Find out exactly what Boiler Plus is and how you’re affected.


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What is Boiler Plus?

Boiler Plus has been introduced to increase the efficiency of homes across the UK by stating that all gas boilers have to meet certain requirements.

The most notable change applies to the minimum performance standard for domestic gas boilers in England, with the efficiency level of all boilers manufactured and installed needing to be at least 92% ErP. As well as the minimum level of efficiency, there are some other measures that have to be taken into account too:

  • Time and temperature controls required for all gas and oil boiler installations
  • Combi boiler installations must also include one of the following: Weather compensation, Load compensation, Flue Gas Heat Recovery, Smart controls.
  • Whether you’re an installer or a homeowner, installing a Combi boiler that doesn’t meet the Boiler Plus legislation could see you end up with a hefty fine.

  • Installers who don’t comply
  • Homeowners who don’t comply
  • What Will Happen to Installers who Don’t Comply?

    Installers who fail to install boilers in line with these new Building Regulations will be breaking the law and could be prosecuted by Building Control. The Gas Safe Register can also refer safety concerns to the HSE (Health and Safety Executive). Invoicing a customer for work which they claim to be legal but is not is also to be considered fraudulent under Trading Standards. Find out why Boiler Plus has been introduced below.

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    What Will Happen to Homeowners who Don’t Comply?

    Homeowners who knowingly allow non-compliant work to be carried out could face prosecution and fines of up to £5,000.

    Boiler Plus Jargon Buster

    To ensure that your new Combi boiler meets the Boiler Plus regulations, you'll need to know exactly what needs to be included within the unit.

    What is a Flue Gas Heat Recovery?
    A Flue Gas Heat Recovery (FGHR) is a device designed to improve energy efficiency of the boiler by recycling the heat from the flue gases which would usually be lost into the atmosphere. Instead this heat is used it to preheat domestic hot water.

    What is Weather Compensation?
    Weather compensation devices enable the boiler to read the outside temperature via a sensor so that the boiler can adjust the temperature of your heating accordingly.

    What is Load Compensation?
    Load compensation measures the response of the heating system and adjusts the flow temperature based on what is needed to reduce fuel consumption.

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    Why has Boiler Plus Been Introduced?

    The main motivation behind the change is to phase out inefficient boilers and reduce carbon emissions in line with targets set by the EU. It forms just part of a wider plan known as the Government's Clean Growth Strategy which aims to combat climate change and provide UK homes with greater comfort and lower energy bills.

    This legislation is designed to help the UK meet the carbon emissions targets by 2020. More than £2.5 billion of Government funding was designated towards lowering carbon emissions for the period 2015 - 2021.

    Greg Clark, Business and Energy Secretary, said: "This Government has put clean growth at the heart of its Industrial Strategy to increase productivity, boost people's earning power and ensure Britain continues to lead the world in efforts to tackle climate change.

    "For the first time in a generation, the British government is leading the way on taking decisions on new nuclear, rolling out smart meters and investing in low carbon innovation. The world is moving from being powered by polluting fossil fuels to clean energy. It's as big a change as the move from the age of steam to the age of oil and Britain is showing the way."

    Some of the measures taken include:

  • Investment of around £3.6 billion to upgrade around a million homes through the Energy Company Obligation (ECO) including extended support for home energy efficiency improvements from 2022 to 2028
  • Upgrading all fuel poor homes to Energy Performance Certificate Band C by 2030 with as many homes as possible to be Energy Performance Certificate Band C by 2035
  • Improve the energy performance standards of privately rented homes to Energy Performance Band C by 2030.

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    Boiler Guide Team

    About the author

    Boiler Guide Team

    Boiler Guide has been home to a host of heating experts who have helped millions of UK homeowners searching for advice and guidance. If you’ve got heating questions, we’ll have the answers.

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