Its main boundary change occurred in 1934 coinciding with the abolition of internal Cranford civil parish, its east going to Heston and Isleworth M.B.

It was: vert a pall couped at the base argent between in chief two wings conjoined in base of the last and in fess as many cog-wheels proper in front of two rays of lightning in saltire or.

Crest: on a wreath of the colours issuant from a circlet of brushwood a demi-stag supporting a seax point upwards proper pommel and hilt or enfiled with a Saxon crown Gold.

In 790 King Offa granted lands in Hayes to the Archbishop of Canterbury, and for more than seven centuries the place was closely associated with the See.

The limbs of the pall also suggested runways and together with the wings referred to nearby London Airport.