The new scheme will see the government fund up to two-thirds of the cost of home improvements of over 600,000 homes, supporting over 100,000 jobs in green construction.


The available measures are split into “primary” and “secondary” categories. Households will need to install at least one of the primary measures below to qualify for funding.



Solid wall, cavity wall, under-floor, loft, flat roof, room in roof, park home.


Low carbon heat

Air source heat pump, ground source heat pump, solar thermal “Top ups” are allowed (e.g. additional loft insulation up to the recommended level, solid wall insulation for other walls where a wall has been previously insulated), but replacements are not included. So long as there is at least one primary measure in the package of works, households will also be able to install secondary measures.


Secondary Measures

Secondary measures can only be subsidised up to the amount of subsidy provided for primary measures. (e.g. if a household receives £1,000 for primary measures, they can only receive a maximum of £1,000 towards secondary measures).


The secondary measures are:

  • Draught proofing

  • Windows and doors: Double/triple glazing (where replacing single glazing), secondary glazing (in addition to single glazing), upgrading to energy efficient doors (where replacing doors installed prior to 2002).

  • Heating controls and insulation: appliance thermostats, hot water tank thermostats, hot water tank insulation, smart heating controls, zone controls, delayed start thermostat, thermostatic radiator valves For low-carbon heating to be installed, households will need to have adequate insulation (e.g. wall and loft, where applicable). These can be installed as part of a package – they do not have to already be in situ.



In July 2020, the Chancellor announced £2 billion of support through the Green Homes Grant (GHG) to save households money; cut carbon; and create green jobs.


The government is today setting out further details of the range of measures included and how consumers in England will be able to claim the new vouchers, which are worth up to £5,000 for homeowners.  Households on low income can receive vouchers covering 100% of the cost of the improvements, up to a maximum of £10,000.

With the general scheme for example, if a homeowner of a semi-detached or end-terrace installed cavity wall and floor insulation, costing around £4,000, the homeowner would pay just £1,320 – with the government paying £2,680. Doing so could save the owner over £200 annually on their bills and reduce their carbon footprint by cutting 700 kg of CO2 a year from their home alone.

Additionally, if a homeowner of a three bedroom property, who is not connected to mains gas were to install an Air Source Heating System worth £8,500 the voucher would meet £5000 of this cost and the balance would be recovered by the government backed Renewable Heat Incentive, making the installation free of charge.

Find out if you're eligible today by clicking the button below! 


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