What insulation adds in DA6

65.4 → 78.2

Rating, now → potential

+12.8

Average uplift

£182

Avg saving / yr

5197

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 5197 certificates in DA6, the current rating of 65.4 could rise to about 78.2 out of 100. The estimated annual heating cost averages £621 now, and about £439 after the recommended work – an estimated saving of roughly £182 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%
Cavity wall, as built, no insulation (assumed) – 22.5%
Cavity wall, filled cavity – 12.5%

Recorded as having no wall insulation: 52.5%.

Roofs

Pitched, 200 mm loft insulation – 20.0%
(other premises above) – 15.0%
(another dwelling above) – 15.0%

Recorded as having no roof insulation: 7.5%.

Glazing

Fully double glazed – 89.5%
Partial double glazing – 5.3%
Mostly double glazing – 5.3%

Main heating

Boiler and radiators, mains gas – 70.0%
Community scheme – 10.0%
Electric storage heaters – 7.5%

Which streets need it most

See the streets in DA6 with the highest share of homes rated band D or below.

Leakiest streets in DA6

Keep exploring

In this area

Leakiest streets in DA6 Leaky The leakiest streets here