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The Government’s Green Homes Grant scheme opened on 30th September 2020 to applicants in England who wish to make energy-saving improvements to their property, with the Scheme ending on 31st March 2021. Homeowners and landlords can apply for vouchers which can go towards the costs of energy-efficiency measures within their homes from home insulation through to the installation of low carbon heating such as heat pumpssolar thermalbiomass boilers, and hybrid heat pumps.


Applicants will need to select local accredited tradespeople to complete the work who will need to be TrustMark approved and, if installing a low carbon heating system, MCS registered as well. An accredited supplier will then supply a quotation and, when this is approved, a voucher (for up to two-thirds of the total cost) will be issued up to the value of £5,000 for most households and up to £10,000 for the poorest households.


The Green Homes Grant aims to make energy-saving home improvements more affordable, helping households to lower their energy bills and reduce their carbon footprint.

Who can claim?


Homeowners and landlords in England can apply for a voucher towards the cost of installing energy-efficient and low-carbon heating improvements to homes, which could help save up to £600 a year on energy bills.


The government will provide a voucher that covers up to two-thirds of the cost of qualifying improvements to your home. The maximum value of the voucher is £5,000. You may be able to receive a higher level of subsidy if you are a homeowner and either you or a member of your household receives one of the qualifying benefits, covering 100% of the cost of the improvements. The maximum value of this voucher is £10,000. 


Renewable Heat Incentive (RHI) and The Green Homes Grant


The Domestic Renewable Heat Incentive (RHI) gives households money towards renewable heating costs in their home. Payments are made for 7 years and are based on the amount of renewable heat made by your heating system.


You can claim both the Domestic RHI and the Green Home Grant for the renewable heat installation. You must claim the Green Home Grant first and then notify Ofgem that you have used it when you apply for accreditation to the Domestic RHI. The Green Homes Grant will then be deducted from your Domestic RHI payments.


Households can claim the Green Homes Grant for energy efficiency measures both before and after accreditation to the Domestic RHI.

What does it cover?


Vouchers must be used to install at least one primary home insulation or low carbon heating measure.


If you choose to install at least one of the primary measures, you can use your voucher to help cover the cost of secondary measures. The subsidy for the second measure is capped at the value of the subsidy provided for the primary measures. For example, if you receive £400 for a primary measure such as a cavity wall insulation, you will be able to receive a maximum of £400 for a secondary measure such as an energy-efficient replacement door.


The primary and secondary measures are set out below:


Primary Measures

  • Insulation - including solid wall, underfloor, cavity wall, or roof insulation

  • Low Carbon Domestic Heating - including air source heating technology


Secondary Measures


Windows and doors:

  • Draught proofing

  • Double/triple glazing (where replacing single glazing)

  • Secondary glazing (in addition to single glazing)

Energy-efficient replacement doors (replacing single glazed or solid doors installed before 2002)


Heating controls and insulation:

  • Hot water tank thermostats

  • Hot water tank insulation

  • Heating controls (e.g. smart heating controls, zone controls, intelligent delayed start thermostat, and thermostatic radiator valves)

How to apply


Before you apply, you should  check the Simple Energy Advice centre eligibility checker by clicking on the button below to:


  • Check if you’re eligible for a voucher

  • Check what improvements may be suitable for your home

  • Choose which improvements you would like and see an estimate of how much they may cost

  • Contact us as an accredited air source heat pump installer for a free quote

Low Income Scheme


Local Authorities will be making support available for low income households in their local area through the Green Homes Grant: Local Authority Delivery. More information on participating Local Authorities will be made available on GOV.UK in due course.


Landlords cannot apply for the low-income part of the scheme.

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