RAF Chia Keng was a GCHQ radio receiving station for the British RAF from 1948 to 1971, and a satellite station to RAF Changi. The base closed down during the British pullout from Singapore in 1971 and was subsequently demolished to make way for housing development projects around the area in the mid-1980s. The HDB flats that were built over the former site are now a part of Serangoon North near to the Serangoon Gardens Estate, where some of the RAF officers used to reside in.

The total land space occupied by the R.A.F CK was about 165 ½ acres, which was developed into Serangoon North 1,2,3,4 and 5.