I found the address of W. H. Smith, Cheltenham in the 'Gloucestershire Echo' dated 11th July 1950:
“W. H. Smith & Son, Ltd., 92 Promenade, Cheltenham.”
... which is referred to by Martin Reynolds in his post on BRSA at this link:
https://www.britishrecordshoparchive.org/shops/cavendish-house-1/
“... in the Prom, we had W H Smith ... this had a record dept at the back of the store with two or three listening booths.”
“W. H. Smith & Son, Ltd., 92 Promenade, Cheltenham.”
... which is referred to by Martin Reynolds in his post on BRSA at this link:
https://www.britishrecordshoparchive.org/shops/cavendish-house-1/
“... in the Prom, we had W H Smith ... this had a record dept at the back of the store with two or three listening booths.”