A little bit of research leads me to believe the Car Giant 'warehouse' was engineering works. I have found the following company - E.N.V. Engineering Co., Ltd., Hythe Road, Willesden, London, N.W.10.- who appear to be there as late as 1969. In the early 20th century there was an engineering company making bakery and food manufacturing machines. I find no evidence of Rolls Royce though but there was the New Engine Company in 1919
Amanda Knights ● 5287d