If your not that local to Gravesend then here's a list of the Salvation Army's other shops in the south east Division.
Brighton Congress Hall 01273 692421
Bromley Temple 0208 4644630
Burgess Hill 01444 258601
South Croydon 0208 6679641
Eastbourne (Pevensey Road) 01323 430169
Eastbourne (Langney Road) 01323 640832
Folkstone 01303 249987
Gillingham 01634 570520
Hastings Temple 01424 443022
Horsham 01403 267900
Hove 01273 328395
Margate 01843 298260
Worthing (South Street) 01903 750594
Worthing (Rowlands Road) 01903 824256