We call the changes or technologies you can implement in your home to improve energy efficiency measures and have identified twenty two different types of them.

Click on the image below to find out more about individual measures.

Air tightness	Design features	Draught-proofing	Energy Management
Extensions and Conversions	Glazing - Double and Secondary	Glazing - V High Quality	Heat pumps
Heating - Biomass and Wood	Heating - Boilers	Insulation - Floor & Ceiling	Insulation - Solid wall
Insulation - Other	Low E lighting	Materials	Outdoor Spaces
Solar PV	Solar Water	Ventilation, Heat Recovery	Water Management

 

For contractors and suppliers dealing with each measure, see our unique Trade directory on the Measure page showing only companies who have worked on or supplied Green doors homes.

See our individual homes' case studies for more details on individual measures used by householders.