Leakiest streets in DA14
What this means
Across 12210 energy certificates in DA14, 6768 (55.4%) are rated band D or below. The average current rating is 57.8 out of 100, which the recommended improvements on those certificates would lift to about 75.4. The average estimated annual heating cost is £843, falling to about £577 after the recommended work – a saving of roughly £266 a year.
Every figure is computed across the certificates in this area – no individual property is identified or listed.
How DA14 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 55.4%, 3.7 points higher (leakier).
- The average current rating here is 57.8, 10.0 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) – 50.0%
- Cavity wall, as built, no insulation (assumed) – 21.8%
- Cavity wall, filled cavity – 7.7%
Recorded as having no wall insulation: 71.8%.
Roofs
- Pitched, 100 mm loft insulation – 16.7%
- (another dwelling above) – 16.7%
- Pitched, no insulation (assumed) – 11.5%
Recorded as having no roof insulation: 12.8%.
Glazing
- Fully double glazed – 97.5%
- Mostly double glazing – 2.5%
Main heating
- Boiler and radiators, mains gas – 75.6%
- Room heaters, electric – 12.8%
- Electric storage heaters – 3.8%
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.
- Cavity wall insulation cost
- Solid wall insulation cost
- Heat pump cost and the £7,500 grant
- Loft insulation cost
- How to improve an EPC rating
What insulation adds in DA14
See the average current-to-potential uplift and the estimated heating-cost saving for this area.
What insulation adds in DA14Keep exploring
Areas with similar leakiness
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- Leakiest streets in DA1 55% band D or below
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- Leakiest streets in TW11 56% band D or below
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