What's the longest running business left on Green Lanes

Walking past the Laundrette at 603, next to Jam in a Jar, I realised that the shop looks like it hasn't changed since the mid-20th Century. 

In 1938 it was the Star Furnishing Store. So the laundrette arrived at some point after that. 

Does anyone know when? Are there any shops left that have been around for longer?