What insulation adds in RM6

60.9 → 78.0

Rating, now → potential

+17.1

Average uplift

£264

Avg saving / yr

15106

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 15106 certificates in RM6, the current rating of 60.9 could rise to about 78.0 out of 100. The estimated annual heating cost averages £802 now, and about £538 after the recommended work – an estimated saving of roughly £264 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) – 55.0%
Cavity wall, as built, insulated (assumed) – 12.5%
Cavity wall, as built, no insulation (assumed) – 11.2%

Recorded as having no wall insulation: 68.8%.

Roofs

(another dwelling above) – 20.0%
Pitched, no insulation (assumed) – 13.8%
Pitched, 150 mm loft insulation – 12.5%

Recorded as having no roof insulation: 18.8%.

Glazing

Fully double glazed – 89.8%
Mostly double glazing – 4.1%
Single glazed – 2.0%

Main heating

Boiler and radiators, mains gas – 82.5%
Room heaters, electric – 7.5%
Electric storage heaters – 3.8%

Which streets need it most

See the streets in RM6 with the highest share of homes rated band D or below.

Leakiest streets in RM6

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