Coleshill (click on photographs to bring up bigger/better versions).

My thanks to some very helpful people on the estate who pointed me in the right direction.

coleshill Cast iron pump on the NT-administered Coleshill Estate, Coleshill, Oxfordshire.

Markings: "Middleton" and "Westminster" appear around the spout, and a possible obscured date "188x".

Manufacturer: Can't find anything about this company.
coleshill Nearby, there's another.

Markings: The name "Ideal" appears on a pipe blanking insert, just above the stopcock.

Manufacturer: Unk.