Leakiest streets in EC4V

31.9%

Band D or below

802

Certificates

67.3

Average rating

£112

Avg potential saving / yr

What this means

Across 802 energy certificates in EC4V, 256 (31.9%) are rated band D or below. The average current rating is 67.3 out of 100, which the recommended improvements on those certificates would lift to about 75.5. The average estimated annual heating cost is £393, falling to about £281 after the recommended work – a saving of roughly £112 a year.

B C D E F G

B 14.5% C 53.6% D 23.4% E 5.9% F 2.0% G 0.6%

Every figure is computed across the certificates in this area – no individual property is identified or listed.

How EC4V compares

Set against the average across the 3,339,357 energy certificates in our dataset (average current rating 67.8, with 51.7% band D or below):

Band D or below here is 31.9%, 19.8 points lower (more efficient).
The average current rating here is 67.3, 0.5 points below the wider-dataset average.

Indicative comparison against the certificates we hold, not an official national statistic. Check the official source for area statistics.

What the certificates say about the fabric

The most common construction descriptions recorded across these certificates. Percentages are of certificates where the field was recorded.

Walls

Solid brick, as built, no insulation (assumed) – 40.0%
Cavity wall, as built, insulated (assumed) – 20.0%
System built, as built, insulated (assumed) – 15.0%

Recorded as having no wall insulation: 47.5%.

Roofs

(another dwelling above) – 90.0%
Pitched, insulated at rafters – 2.5%
Flat, no insulation (assumed) – 2.5%

Recorded as having no roof insulation: 2.5%.

Glazing

Fully double glazed – 90.5%
Some double glazing – 4.8%
Single glazed – 4.8%

Main heating

Room heaters, electric – 37.5%
Boiler and radiators, mains gas – 32.5%
Community scheme – 10.0%

Retrofit measures for this housing stock

Based on the construction recorded on the certificates here, these guides cover the measures that most often apply, with typical UK costs and savings cited to public sources.

All retrofit guides

What insulation adds in EC4V

See the average current-to-potential uplift and the estimated heating-cost saving for this area.