Home improvements
What energy efficiency measures can the
voucher be used for?
The available works are split into ‘primary’ and ‘secondary’ measures.
The voucher must be used to install at least one primary measure.
Primary measures
Insulation
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Solid wall insulation (internal or external); cavity wall insulation
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Under-floor insulation (solid floor, suspended floor)
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Loft insulation; pitched roof insulation; room in roof insulation
Secondary Measures
If you install at least one primary measure, your voucher can be used to help cover the cost of a secondary measure.
The amount you get towards the cost of secondary measures cannot exceed the amount you get for primary measures. You will only be able to redeem vouchers for secondary measures once you have installed a primary measure and redeemed the vouchers for that measure.
These secondary measures are covered by the voucher:
Windows and Doors
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Draught proofing
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Double or triple glazing (where replacing single glazing)
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Secondary glazing (in addition to single glazing)
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Energy efficient replacement doors (replacing single glazed or solid doors installed before 2002)
Heating controls and insulation
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Hot water tank thermostat
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Hot water tank insulation
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Heating controls (such as appliance thermostats, smart heating controls, zone controls, intelligent delayed start thermostat, thermostatic radiator valves)
