What insulation adds in RM8

65.9 → 80.4

Rating, now → potential

+14.5

Average uplift

£172

Avg saving / yr

19959

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 19959 certificates in RM8, the current rating of 65.9 could rise to about 80.4 out of 100. The estimated annual heating cost averages £570 now, and about £398 after the recommended work – an estimated saving of roughly £172 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

Cavity wall, as built, insulated (assumed) – 26.2%
Solid brick, as built, no insulation (assumed) – 21.2%
Cavity wall, as built, no insulation (assumed) – 15.0%

Recorded as having no wall insulation: 36.2%.

Roofs

(another dwelling above) – 20.0%
Pitched, 100 mm loft insulation – 18.8%
Pitched, no insulation (assumed) – 7.5%

Recorded as having no roof insulation: 11.2%.

Glazing

Fully double glazed – 81.6%
Mostly double glazing – 6.1%
Some double glazing – 4.1%

Main heating

Boiler and radiators, mains gas – 68.8%
Electric storage heaters – 15.0%
Community scheme – 6.2%

Which streets need it most

See the streets in RM8 with the highest share of homes rated band D or below.

Leakiest streets in RM8

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