What insulation adds in TW8
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 16582 certificates in TW8, the current rating of 68.6 could rise to about 73.8 out of 100. The estimated annual heating cost averages £356 now, and about £292 after the recommended work – an estimated saving of roughly £64 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, as built, insulated (assumed) – 47.5%
- Timber frame, as built, insulated (assumed) – 13.8%
- Solid brick, as built, no insulation (assumed) – 8.8%
Recorded as having no wall insulation: 10.0%.
Roofs
- (another dwelling above) – 45.0%
- Pitched, insulated (assumed) – 16.2%
- (other premises above) – 10.0%
Recorded as having no roof insulation: 2.5%.
Glazing
- Fully double glazed – 88.6%
- Fully triple glazed – 5.7%
- Single glazed – 2.9%
Main heating
- Electric storage heaters – 48.8%
- Community scheme – 20.0%
- Room heaters, electric – 15.0%
Which streets need it most
See the streets in TW8 with the highest share of homes rated band D or below.
Leakiest streets in TW8Keep exploring
Biggest average savings nearby
- What insulation adds in RM11 ~£463/yr average saving
- What insulation adds in TN14 ~£444/yr average saving
- What insulation adds in EC4Y ~£405/yr average saving
- What insulation adds in KT8 ~£391/yr average saving
- What insulation adds in N14 ~£379/yr average saving
- What insulation adds in RM4 ~£371/yr average saving
- What insulation adds in HA7 ~£342/yr average saving
- What insulation adds in CR3 ~£328/yr average saving