38-52 Wyndham Street [1919-????]

The terrace of 8 houses is highlighted in blue on this 1955 map of the area:

They were built between 1917 and 1919, with progress recorded in the annual reports of the  Public Works Department:

• 1917.46: Principal works of a private nature >> Works Commenced >> 18 European houses, I.L’s 145 & 146, Wyndham Street
• 1918.44: Principal works of a private nature >> not completed >> 18 European houses, I.L’s 145 & 146, Wyndham Street
• 1919.41: Principal works of a private nature >> The erection of 18 European houses on I.L.’s 145 and 146 in Wyndham Street and Arbuthnot Road [...] was completed.

Here's a good view of the terrace, running along the right side of the road. 

And a view of numbers 50 & 52 from the front.