What insulation adds in N19

68.2 → 74.7
Rating, now → potential
+6.6
Average uplift
£105
Avg saving / yr
20315
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 20315 certificates in N19, the current rating of 68.2 could rise to about 74.7 out of 100. The estimated annual heating cost averages £448 now, and about £343 after the recommended work – an estimated saving of roughly £105 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) – 42.5%
  • Cavity wall, filled cavity – 16.2%
  • Cavity wall, as built, no insulation (assumed) – 8.8%

Recorded as having no wall insulation: 53.8%.

Roofs

  • (another dwelling above) – 47.5%
  • Pitched, no insulation (assumed) – 8.8%
  • Flat, limited insulation (assumed) – 8.8%

Recorded as having no roof insulation: 11.2%.

Glazing

  • Fully double glazed – 40.4%
  • Single glazed – 31.9%
  • Some double glazing – 8.5%

Main heating

  • Boiler and radiators, mains gas – 58.8%
  • Community scheme – 36.2%
  • Room heaters, electric – 2.5%

Which streets need it most

See the streets in N19 with the highest share of homes rated band D or below.

Leakiest streets in N19

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