What insulation adds in IG6

64.3 → 77.7

Rating, now → potential

+13.5

Average uplift

£174

Avg saving / yr

12783

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 12783 certificates in IG6, the current rating of 64.3 could rise to about 77.7 out of 100. The estimated annual heating cost averages £598 now, and about £424 after the recommended work – an estimated saving of roughly £174 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

Cavity wall, filled cavity – 25.0%
Solid brick, as built, no insulation (assumed) – 22.5%
Cavity wall, as built, no insulation (assumed) – 15.0%

Recorded as having no wall insulation: 40.0%.

Roofs

(another dwelling above) – 20.0%
Pitched, no insulation – 10.0%
Pitched, 200 mm loft insulation – 10.0%

Recorded as having no roof insulation: 17.5%.

Glazing

Fully double glazed – 95.5%
Partial double glazing – 4.5%

Main heating

Boiler and radiators, mains gas – 82.5%
Electric storage heaters – 7.5%
Community scheme – 5.0%

Which streets need it most

See the streets in IG6 with the highest share of homes rated band D or below.

Leakiest streets in IG6

Keep exploring

In this area

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