Leakiest streets in WC2B

36.8%

Band D or below

831

Certificates

72.7

Average rating

£98

Avg potential saving / yr

What this means

Across 831 energy certificates in WC2B, 306 (36.8%) are rated band D or below. The average current rating is 72.7 out of 100, which the recommended improvements on those certificates would lift to about 78.4. The average estimated annual heating cost is £435, falling to about £336 after the recommended work – a saving of roughly £98 a year.

A B C D E F G

A 0.2% B 19.5% C 43.4% D 27.9% E 6.4% F 1.4% G 1.1%

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

How WC2B 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 36.8%, 14.9 points lower (more efficient).
The average current rating here is 72.7, 4.9 points above 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) – 27.5%
Cavity wall, as built, insulated (assumed) – 15.0%
Cavity wall, filled cavity – 12.5%

Recorded as having no wall insulation: 42.5%.

Roofs

(another dwelling above) – 75.0%
Flat, insulated (assumed) – 7.5%
(other premises above) – 7.5%

Recorded as having no roof insulation: 7.5%.

Glazing

Fully double glazed – 68.4%
Single glazed – 15.8%
Some double glazing – 5.3%

Main heating

Boiler and radiators, mains gas – 52.5%
Community scheme – 30.0%
Boiler and underfloor heating, mains gas – 7.5%

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 WC2B

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