Green Deal Customer Journey
The diagram below illustrates the consumer journey - how the Green Deal assessment and installation is carried out and at what point it becomes a Green Deal plan.
(Source DECC: The Green Deal - A summary of the Government’s proposals)

The Golden Rule
The Golden Rule is the principle which limits the amount of Green Deal finance that a provider can attach to the energy meter to the estimated energy bill savings that are likely to result from the installation of measures under the Green Deal plan.
This principle aims to keep the energy bills at the property no higher than they would have been had the property been without a Green Deal – this is important both to protect consumers from higher energy bills, and to protect investors from a higher risk of default on the bill.
Individual households will be responsible for choosing to sign up to the Green Deal scheme - The most appropriate solutions will be presented to the household or business relative to their own property by approved Green Deal Advisors, equally all measures must be installed by certified Green Deal Installers. Energy Improvement and Qualifying Green Deal Measures can be found below.
Building Fabric
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Cavity wall insulation, Draught proofing, Energy efficient glazing, External wall insulation, High thermal performance external doors, Hot water cylinder insulation, Internal wall insulation, Loft or rafter insulation, Roof insulation, Room in roof insulation
Heating Ventilation & Air-Conditioning
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High efficiency gas-fired condensing boilers, Oil-fired condensing boilers, Cylinder thermostats, Fan-assisted replacement storage heaters, Flue gas heat recovery devices, Heating controls (for wet central heating systems and warm air systems), High efficiency replacement warm-air units, Mechanical ventilation with heat recovery
Lighting
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Lighting systems, fittings and controls
Water Heating
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Solar water heating, Waste water heat recovery devices attached to showers.
Microgeneration
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Ground source heat pumps, Micro combined heat and power, Micro wind generation, Photovoltaics


