Heron Foods is now at nos. 155-161, no. 163 is now a charity shop, and Poundstretcher is now at no. 183. Confusingly, FHRS still lists the old address for Poundstretcher, and Heron Foods' own website still lists the old address for itself! Updated from survey in
https://www.openstreetmap.org/changeset/165259971