What insulation adds in NW8

68.8 → 76.7

Rating, now → potential

+7.9

Average uplift

£177

Avg saving / yr

3138

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 3138 certificates in NW8, the current rating of 68.8 could rise to about 76.7 out of 100. The estimated annual heating cost averages £692 now, and about £515 after the recommended work – an estimated saving of roughly £177 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) – 27.5%
System built, as built, no insulation (assumed) – 17.5%
Cavity wall, as built, no insulation (assumed) – 17.5%

Recorded as having no wall insulation: 62.5%.

Roofs

(another dwelling above) – 72.5%
Flat, insulated (assumed) – 7.5%
Pitched, no insulation – 5.0%

Recorded as having no roof insulation: 7.5%.

Glazing

Fully double glazed – 57.1%
Single glazed – 19.0%
Some secondary glazing – 9.5%

Main heating

Community scheme – 57.5%
Boiler and radiators, mains gas – 27.5%
Room heaters, electric – 5.0%

Which streets need it most

See the streets in NW8 with the highest share of homes rated band D or below.

Leakiest streets in NW8

Keep exploring

In this area

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