What insulation adds in CR9

78.0 → 78.0
Rating, now → potential
338
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 338 certificates in CR9, the current rating of 78.0 could rise to about 78.0 out of 100. The estimated annual heating cost averages £184 now, and about £184 after the recommended work – an estimated saving of roughly £0 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

  • Average thermal transmittance 0.28 W/m²K – 32.5%
  • Average thermal transmittance 0.27 W/m²K – 22.5%
  • System built, with external insulation – 12.5%

Recorded as having no wall insulation: 0.0%.

Roofs

  • (other premises above) – 75.0%
  • (another dwelling above) – 12.5%
  • Average thermal transmittance 0.15 W/m²K – 5.0%

Recorded as having no roof insulation: 0.0%.

Glazing

  • Fully triple glazed – 83.3%
  • Fully double glazed – 16.7%

Main heating

  • Community scheme – 90.0%
  • Room heaters, electric – 5.0%
  • Boiler and radiators, mains gas – 2.5%

Which streets need it most

See the streets in CR9 with the highest share of homes rated band D or below.

Leakiest streets in CR9

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