This was a short lived record shop that opened in 1987. It was owned by Richard Searling and was managed by Dean Johnson. Dean was a DJ at the Hacienda at the time and Jon Dasilva worked there in 1988 and was also a DJ at the Hacienda at the time.
Dean was a soul boy at heart, I think, and not a fan of House music. I remember Jon being polite and friendly and telling me about a Hacienda night at Gorton Tub swimming baths he did.
Expansion Records was located in an old building close to Victoria train station, and as far as I can tell it is still there and now forms part of Hotel Indigo.