Residential area for civil servants, members of parliament and railway officials, laid out on part of Wingfield, a former Naval Aerodome named Sassar from 1947 to 1 December 1959, then Acacia Park after the Port Jackson Willows growing there. 

The SA Navy is to relocate its sprawling technical training school, SAS Wingfield, along with some depots from a run down World War II-era site near Goodwood-Cape Town
Geolocation
-33° 34' 52.3098", 18° 35' 44.3203"
References

New Dictionary of South African Place Names by Peter E. Raper.