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Energy certificates for existing London homes up 8 per cent in summer quarter

Government figures for July to September 2026 show a rise in energy performance certificates for existing London homes, while certificates for new homes held steady.

The government has published its quarterly statistics on energy performance certificates for July to September 2026. A certificate is needed when a home is built, sold or let, unless a valid one is already in place, and each one lasts ten years.

What happened in London

In London, 58,967 certificates were lodged for existing homes during the quarter, an increase of 8 per cent on the same quarter of 2025. That was the highest number of any English region, ahead of the South East and the North West.

Certificates for new homes in London, which include conversions and changes of use, came to 7,176. That was unchanged on a year earlier, while several other regions saw falls, including Yorkshire and The Humber at 19 per cent down.

The national picture

Across England, 423,000 certificates were lodged for homes, up 10 per cent on a year earlier. Certificates for existing homes rose by 12 per cent, while those for new homes fell by 4 per cent. Of the new homes assessed, 85 per cent were rated A or B, down slightly from 86 per cent a year before.

The next release, covering October to December 2026, is expected on 28 January 2027.

Photo: Jan van der Wolf on Pexels.

Source: GOV.UK (Ministry of Housing, Communities and Local Government) (2026-10-29). Checked 2026-10-30.

London Builders introduces homeowners to independent builders and does not carry out building work. This article is general information, not advice.