Before:

Under construction:

This set of images show some of the main features of the garden under construction. The first three images show polished concrete as the choice of hard landscaping material, and the last image shows a bespoke fireplace.

After:

This garden was designed by Charlotte Rowe Garden Design. 

There is a more complete array of photographs on her website- http://charlotterowe.com/large_garden_wimbledon.htm