1. Energy loss in the home
Insulation method including cost and saving
Location of heat loss
% heat loss
Insulation method including cost and saving
Description of insulation method
Description of insulation method
Insulation method including cost and saving
Location of heat loss
% heat loss
Description of insulation method
Location of heat loss
% heat loss
Insulation method including cost and saving
Description of insulation method
Insulation method including cost and saving
Location of heat loss
Description of insulation method
% heat loss
Location of heat loss
Insulation method including cost and saving
Insulation method including cost and saving
% heat loss
Description of insulation method
Description of insulation method

2. Cavity walls & insulation Cavity walls & insulation
Carpet
Initial cost: £400
Annual saving: £40
Strips of foam and plastic around doors and windows stop air going out , which reduces convection.
Carpet
Initial cost: £400
Annual saving: £40
Strips of foam and plastic around doors and windows stop air going out , which reduces convection.
Cavity walls & insulation
Initial cost: £150
Annual saving: £100
Lagging such as fibre glass wool reduces conduction.
Cavity walls & insulation
Initial cost: £150
Annual saving: £100
Lagging such as fibre glass wool reduces conduction.
Draught proofing
Initial cost: £100
Annual saving: £15
Fibreglass ‘wool’ laid across the loft floor reduces conduction through the ceiling into the roof space.
Draught proofing
Initial cost: £100
Annual saving: £15
Fibreglass ‘wool’ laid across the loft floor reduces conduction through the ceiling into the roof space.
Double glazing
Initial cost: £2400
Annual saving: £80
Two layers of brick with a gap between them reduce conduction. Insulating foam squirted into the gap between layers, trapping pockets of air to minimise convection.
Double glazing
Initial cost: £2400
Annual saving: £80
Two layers of brick with a gap between them reduce conduction. Insulating foam squirted into the gap between layers, trapping pockets of air to minimise convection.
Hot water tank jacket
Initial cost: £60
Annual saving: £15
Two layers of glass with an air gap between reduce conduction.
Hot water tank jacket
Initial cost: £60
Annual saving: £15
Two layers of glass with an air gap between reduce conduction.
Loft insulation
Initial cost: £200
Annual saving: £100
Reduces conduction and radiation through the windows.
Loft insulation
Initial cost: £200
Annual saving: £100
Reduces conduction and radiation through the windows.
Thick curtains
Initial cost: £180
Annual saving: £20
Laid across a floor to reduce conduction.
Thick curtains
Initial cost: £180
Annual saving: £20
Laid across a floor to reduce conduction.
Draughts
Windows
Walls
Draughts
Windows
Walls
Floors
Roof
Floors
Roof
35 %
25 %
10 %
35 %
25 %
10 %
15 %
15 %
15 %
15 %