The 15,435 EPC certificates on record for CF11 paint a clear picture — the area averages 69 out of 100, placing it around the national average. The national average is 67, which means CF11 performs roughly in line with the rest of the country. The most common rating band is C, with 17.2% of homes rated A or B and 71.2% in the C or D bands. Meanwhile, 1.5% of homes sit in the F or G bands — the least efficient categories. In practical terms, a C rating suggests reasonably efficient homes, though there is still room for improvement on heating and insulation.

Flats make up the bulk of the housing in this district. Flats make up a notable 49% of homes here. Around 46% of properties are owner-occupied , while 37% are privately rented and 17% are social housing. That high proportion of rental homes matters — landlords in CF11 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. Gas central heating is the main fuel source for 75% of homes, which is typical for urban areas across England.

There is genuine room for improvement here. If every recommended upgrade were carried out, the average score could climb from 69 to 81 — a 12-point jump that would lift the typical rating to B. If you live in CF11 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.