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Feed-in tariff solar in Hayes (UB4)

100 installations in the UB4 postcode district, which covers Hayes and the surrounding area, are accredited under the Feed-in Tariff, holding 371 kW between them. That is an average system size of 3.71 kW, and ranks the district 2085 of 2645.

100installations
371 kWinstalled capacity
3.71 kWaverage system
2015busiest year

Where UB4 is

UB4 is a postcode district in the Hayes post town, in Hillingdon, London. It covers Yeading.

The figures on this page cover the whole district, so they include every accredited installation in those places. The register does not go finer than the district, which is the outward half of a postcode.

0 10 20 10 11 12 13 14 15 16 17 18 19
Installations commissioned in Hayes (UB4) by year. Ofgem Feed-in Tariff register, 2025-12-31.

What is installed

TechnologyInstallations
Photovoltaic100

Where this sits

Hillingdon1,003 installations Hayes and Harlington316 installations All districts2,645 with five or more

A postcode district is the outward half of a postcode, which is as precise as the public register goes. Districts with fewer than five installations are not published here. Place names come from the Royal Mail post town for the district.

Ofgem register as at 2025-12-31 Download all districts (CSV)