Check Your EPC
Look up your property's real Energy Performance Certificate and see what external wall insulation would do to your rating and your heating bills — using your certificate's own data, not generic averages.
01
Enter your postcode
We search the official government EPC register.
02
Pick your address
Every certified property at that postcode, latest certificate first.
03
See your EWI projection
Current band, projected band, estimated savings and payback.
check_circleOfficial government EPC register data
check_circleCovers England & Wales
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Find your property
01 / 03
check_circleOfficial register data
check_circleEngland & Wales
check_circleNothing stored
EPC data © Crown copyright, from the official Energy Performance of Buildings Register, used under the Open Government Licence v3.0. Covers England & Wales.