Caernarfon · 645 postcodes
LL55 EPC ratings
The LL55 district holds 6,939 certificated properties. The average energy score across its postcodes is 53, and 21% of certificates rate C or better. It sits mainly in Gwynedd.
That average is 10.6 points below the England and Wales average of 63.6, and sits in band E territory.
Postcodes in LL55
Jump to a postcode
Computed from the official certificate register: counts are certificates lodged since 2008 and distinct properties per postcode; scores are averages of current certificates. Source: Energy Performance of Buildings Data, MHCLG, Open Government Licence v3.0. Refreshed monthly. Method on about the data.