Number of UK homes getting these improvements
Lofts insulated
Cavity walls insulated
Solid walls insulated
2.5 million
2.0
1.5
1.0
0.5
0
2010
11
12
13
14
15
16
17
18
19
20
Number of UK homes getting these improvements
Lofts insulated
Cavity walls insulated
Solid walls insulated
2.5 million
2.0
1.5
1.0
0.5
0
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020