The 6,727 EPC certificates on record for WD17 paint a clear picture — the area averages 69 out of 100, placing it around the national average. The national average is 67, which means WD17 performs roughly in line with the rest of the country. The most common rating band is C, with 22.6% of homes rated A or B and 64.9% in the C or D bands. Meanwhile, 2.1% 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 alone account for 56% of all certificated properties — a distinctly urban profile. Around 58% of properties are owner-occupied , while 35% are privately rented . Gas central heating is the main fuel source for 72% 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 79 — a 10-point jump that would lift the typical rating to C. If you live in WD17 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.