What insulation adds in DA8

66.2 → 77.9
Rating, now → potential
+11.7
Average uplift
£148
Avg saving / yr
23935
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 23935 certificates in DA8, the current rating of 66.2 could rise to about 77.9 out of 100. The estimated annual heating cost averages £513 now, and about £365 after the recommended work – an estimated saving of roughly £148 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) – 32.5%
  • Cavity wall, as built, no insulation (assumed) – 20.0%
  • Cavity wall, filled cavity – 12.5%

Recorded as having no wall insulation: 62.5%.

Roofs

  • (another dwelling above) – 25.0%
  • Pitched, 100 mm loft insulation – 12.5%
  • Pitched, 75 mm loft insulation – 7.5%

Recorded as having no roof insulation: 7.5%.

Glazing

  • Fully double glazed – 95.8%
  • Single glazed – 4.2%

Main heating

  • Boiler and radiators, mains gas – 75.0%
  • Room heaters, electric – 12.5%
  • Community scheme – 10.0%

Which streets need it most

See the streets in DA8 with the highest share of homes rated band D or below.

Leakiest streets in DA8

Keep exploring