How much you could get
Your voucher covered up to two-thirds of the cost of your chosen improvements, with a maximum government contribution of £5,000.

If you, or someone in your household, receives certain benefits, your voucher may cover up to 100% of the cost of your chosen improvements. The maximum overall government contribution is £10,000.

Eligibility
If you submitted an application for a voucher by 31 March 2021, you may be eligible for a voucher if:

you own your own home (including long-leaseholders and shared ownership)
you own your own park home on a residential site (including Gypsy and Traveller sites)
you’re a residential landlord in the private or social rented sector (including local authorities and housing associations)
You cannot get the Green Homes Grant voucher for newly built homes which have not been previously occupied.

If you’re claiming other grants or funding
Energy Company Obligation (ECO)
You could not claim a Green Homes Grant voucher towards the cost of a measure which has also had funding under the Energy Company Obligation (ECO). You could claim both?ECO?and Green Homes Grant as long as they are each for different measures – for example loft insulation and cavity wall insulation.

Domestic Renewable Heat Incentive (RHI)
You could claim both the Domestic?RHI?and the Green Home Grant for a renewable heat installation. You must claim the Green Home Grant voucher 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.

Local Authority Delivery Scheme
If you had already received a grant from your local authority as part of the Local Authority Delivery Scheme, you were not eligible for a Green Homes Grant voucher.

If you’re a landlord
State aid
The Green Homes Grant counted towards the total de minimis state aid you’re allowed to get over a 3 year period. You must have checked that you will not exceed the de minimis state aid threshold of €200,000.

Energy efficiency standard
If you applied for a voucher for a private rented sector property, you need to either provide:

proof that you have met this standard
proof of an exemption
What the voucher could be used for
Home improvements
The available measures are split into ‘primary’ and ‘secondary’ measures.

Primary measures
The voucher must be used to install at least 1 primary measure.

Insulation
The following insulation measures were covered by the voucher:

• solid wall insulation (internal or external)
• cavity wall insulation
• under-floor insulation (solid floor, suspended floor)
• loft insulation
• flat roof insulation
• pitched roof insulation
• room in roof insulation
• insulating a park home
• Check the additional requirements around insulation measures (ODT, 10.2 KB).

Low carbon heat
The following low carbon heating measures were covered by the voucher:

• air source heat pump
• ground source heat pump
• solar thermal (liquid filled flat plate or evacuated tube collector)
• biomass boiler
• hybrid heat pump