Business Green noted that the five worst performing boroughs in the capital were the City of London, Westminster, Kensington and Chelsea, and Hammersmith and Fulham.

These districts recorded the lowest figures in relation to the government’s Carbon Emissions Reduction Target scheme, which obliges energy companies to provide subsidised loft and cavity wall insulation services.

In response to the statistics, Labour Assembly Member Murad Qureshi criticised the mayor for failing to exert any influence on the utility firms in question, pointing out that the RE:NEW retrofitting initiative is now not nearly as ambitious as when the scheme started out.

The politician said: "RE:NEW is a really good programme and should be rolled out across the whole of London, but the mayor keeps scaling it back. London has some of the worst insulated homes in the country and Londoners are already struggling to pay their energy bills."

According to Click Green, the area that saw the most insulation measures fitted between April 2010 and March 2011 was Birmingham, where more than 12,000 installations were carried out.

The online news portal pointed out that this type of service can take over £100 off a homeowner’s heating bill each year.

Click here to view full article