HAYWARD BROTHERS
PATENT
SELF LOCKING
UNION STREET BOROUGH LONDON

Apparently this is a coalhole
Coal holes: These are covers from the period when the houses were heated with coal, into which the coal bags were poured, so that the coals did not have to enter the houses.
These lids were used in the 19th and early 20th centuries.

The same day was photographed near this lid at 27 Broad St, Oxford OX1 3BS, UK, the same lid with the nozzles in the current lid filled Click for a larger image

In 2022 an identical lid was photographed parts of which faded over the years, at Cambridge, 1 Parker St, Cambridge CB1 1JN, UK by Ariel Rubinstein Click for a larger image