Edward Kemp Liverpool Private Gardens

I am attempting to locate some of the private gardens which were worked on in the 1850s by the landscape gardener, Edward Kemp.

The four properties that are giving me trouble [with the Records no longer so accessible] are the following

1]  The home of Alfred Higgins, Woolton
2] the home of Willian Oxley, Mossley Hill 3] the home of Edward Astley [possibly The Cottage] Roby and 4] the home of Alan Kaye in Birkdale.

If anyone has details of these properties, where they were, maps, photographs etc. I shall be very grateful.
Elizabeth Davey