The Red House is one of South Africa's oldest buildings, having been built in 1729. Lord Charles Somerset lived here and so did the Mayor of Claremont. It was declared a National Monument under old NMC legislation on 28 April 1978.
References
https://web.facebook.com/pages/category/Residence/The-Red-House-1633223006930162/?_rdc=1&_rdr
Further Reading
https://www.sahistory.org.za/.../lord-charles-henry-somerset-governor-cape- colony-born-badminton-england
https://www.sahistory.org.za/.../lord-charles-somerset-arrives-cape-governor
https://www.sahistory.org.za/.../name-lord-charles-somerset-governor-cape- linked-dr-james-barry-who-performed-first-caesa