Leakiest streets in EC4M
What this means
Across 347 energy certificates in EC4M, 117 (33.7%) are rated band D or below. The average current rating is 71.2 out of 100, which the recommended improvements on those certificates would lift to about 79.0. The average estimated annual heating cost is £412, falling to about £267 after the recommended work – a saving of roughly £145 a year.
Every figure is computed across the certificates in this area – no individual property is identified or listed.
How EC4M 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 33.7%, 18.0 points lower (more efficient).
- The average current rating here is 71.2, 3.4 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, insulated (assumed) – 32.5%
- Solid brick, as built, no insulation (assumed) – 25.0%
- Cavity wall, as built, insulated (assumed) – 12.5%
Recorded as having no wall insulation: 37.5%.
Roofs
- (another dwelling above) – 85.0%
- Pitched, insulated (assumed) – 5.0%
- Flat, insulated (assumed) – 5.0%
Recorded as having no roof insulation: 0.0%.
Glazing
- Fully double glazed – 75.0%
- Full secondary glazing – 20.0%
- Single glazed – 5.0%
Main heating
- Room heaters, electric – 22.5%
- Boiler and radiators, mains gas – 22.5%
- Air source heat pump, fan coil units, 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.
- 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 EC4M
See the average current-to-potential uplift and the estimated heating-cost saving for this area.
What insulation adds in EC4MKeep exploring
Areas with similar leakiness
- Leakiest streets in SE22 34% band D or below
- Leakiest streets in HA9 33% band D or below
- Leakiest streets in EC1Y 33% band D or below
- Leakiest streets in WC1H 33% band D or below
- Leakiest streets in SW9 35% band D or below
- Leakiest streets in OX26 33% band D or below
- Leakiest streets in E3 35% band D or below
- Leakiest streets in EC1N 32% band D or below