Leakiest streets in TW8

26.1%

Band D or below

16582

Certificates

68.6

Average rating

£64

Avg potential saving / yr

What this means

Across 16582 energy certificates in TW8, 4327 (26.1%) are rated band D or below. The average current rating is 68.6 out of 100, which the recommended improvements on those certificates would lift to about 73.8. The average estimated annual heating cost is £356, falling to about £292 after the recommended work – a saving of roughly £64 a year.

A B C D E F G

A 0.4% B 38.2% C 35.3% D 19.9% E 5.2% F 0.7% G 0.2%

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

How TW8 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 26.1%, 25.6 points lower (more efficient).
The average current rating here is 68.6, 0.8 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

Cavity wall, as built, insulated (assumed) – 47.5%
Timber frame, as built, insulated (assumed) – 13.8%
Solid brick, as built, no insulation (assumed) – 8.8%

Recorded as having no wall insulation: 10.0%.

Roofs

(another dwelling above) – 45.0%
Pitched, insulated (assumed) – 16.2%
(other premises above) – 10.0%

Recorded as having no roof insulation: 2.5%.

Glazing

Fully double glazed – 88.6%
Fully triple glazed – 5.7%
Single glazed – 2.9%

Main heating

Electric storage heaters – 48.8%
Community scheme – 20.0%
Room heaters, electric – 15.0%

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 TW8

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