What insulation adds in EC1M

71.9 → 75.9

Rating, now → potential

+3.9

Average uplift

£106

Avg saving / yr

1324

Certificates

The realistic uplift

Each energy certificate lists the improvements an assessor recommends and the rating the home would reach if they were done. Averaged across 1324 certificates in EC1M, the current rating of 71.9 could rise to about 75.9 out of 100. The estimated annual heating cost averages £492 now, and about £386 after the recommended work – an estimated saving of roughly £106 a year.

These are the register's own estimates, averaged across many homes; the figure for any one property depends on its fabric and how it is heated.

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) – 44.6%
System built, as built, insulated (assumed) – 21.4%
Cavity wall, as built, insulated (assumed) – 12.5%

Recorded as having no wall insulation: 47.3%.

Roofs

(another dwelling above) – 75.9%
Flat, insulated (assumed) – 10.7%
Pitched, no insulation (assumed) – 4.5%

Recorded as having no roof insulation: 7.1%.

Glazing

Fully double glazed – 43.4%
Full secondary glazing – 18.9%
Single glazed – 13.2%

Main heating

Boiler and radiators, mains gas – 35.7%
Electric underfloor heating – 19.6%
Community scheme – 17.0%

Which streets need it most

See the streets in EC1M with the highest share of homes rated band D or below.

Leakiest streets in EC1M

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