Looking at the energy data for LL70, this Isle of Anglesey district scores an average of 50 out of 100, placing it below the national average. Compared to the national average of 67, that puts LL70 below the norm for England and Wales. The most common rating band is E, with 6.5% of homes rated A or B and 29.9% in the C or D bands. Meanwhile, 18.7% of homes sit in the F or G bands — the least efficient categories. In practical terms, an E rating signals significant energy waste. In practical terms, households here could be spending £400-600 more per year on energy than they need to.

The area is characterised by houses. Around 49% of properties are owner-occupied , while 47% are privately rented . That high proportion of rental homes matters — landlords in LL70 must comply with the Minimum Energy Efficiency Standards (MEES), which currently require at least an EPC E rating. Properties rated F or G cannot legally be let. A significant share of homes here rely on electric heating, which tends to be more expensive per unit of energy than gas.

There is genuine room for improvement here. If every recommended upgrade were carried out, the average score could climb from 50 to 84 — a 34-point jump that would lift the typical rating to B. That is a substantial gain, suggesting many homes are missing basic efficiency measures. If you live in LL70 and want to reduce your energy bills, start with our guide to loft insulation — it is one of the most cost-effective upgrades you can make.