Leakiest streets in EC1V

29.4%

Band D or below

13291

Certificates

68.8

Average rating

£41

Avg potential saving / yr

What this means

Across 13291 energy certificates in EC1V, 3907 (29.4%) are rated band D or below. The average current rating is 68.8 out of 100, which the recommended improvements on those certificates would lift to about 72.8. The average estimated annual heating cost is £432, falling to about £391 after the recommended work – a saving of roughly £41 a year.

A B C D E F G

A 0.4% B 26.3% C 43.9% D 22.9% E 5.6% F 0.7% G 0.2%

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

How EC1V compares

Set against the average across the 149,623 energy certificates in our dataset (average current rating 70.2, with 41.2% band D or below):

Band D or below here is 29.4%, 11.8 points lower (more efficient).
The average current rating here is 68.8, 1.4 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) – 22.5%
Average thermal transmittance 0.18 W/m²K – 13.8%
System built, as built, insulated (assumed) – 12.5%

Recorded as having no wall insulation: 37.5%.

Roofs

(another dwelling above) – 48.8%
(other premises above) – 40.0%
Flat, limited insulation (assumed) – 2.5%

Recorded as having no roof insulation: 3.8%.

Glazing

Fully double glazed – 84.0%
Some double glazing – 4.0%
Single glazed – 4.0%

Main heating

Community scheme – 55.0%
Boiler and radiators, mains gas – 33.8%
Electric storage heaters – 6.2%

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 EC1V

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