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Feed-in tariff solar in Mayfair, London (W1S)

5 installations in the W1S postcode district, which covers Mayfair and the surrounding area, are accredited under the Feed-in Tariff, holding 50 kW between them. That is an average system size of 9.98 kW, and ranks the district 2638 of 2645.

5installations
50 kWinstalled capacity
9.98 kWaverage system
2011busiest year

Where W1S is

W1S is a postcode district in the London post town, in Westminster. It covers Mayfair, Hanover Square, Savile Row and Royal Academy.

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 3 5 11
Installations commissioned in Mayfair, London (W1S) by year. Ofgem Feed-in Tariff register, 2025-12-31.

What is installed

TechnologyInstallations
Photovoltaic5

Where this sits

Westminster257 installations Cities of London and Westminster138 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)