Thanks for the reply Janice. It seems that the 1939 e-roll differs from the 1939 Register. No matter! I have a group photograph which does appear to be the house at the back of 152.I assume that the marked house is 2/152 as there were actually 5 house listed as back of 152 on the 1939 eroll (I didn't post #5 as it was on the next page of the eroll). It looks as if on the map Mike has posted (from the old maps site) that some of the houses have gone.
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Dave H