Welcome to the Community Forum. While I cannot provide a specific suggestion, I’ve allowed myself to add “London” to your topic title. If you want this removed again, just say so.
Whilst an upmarket Ebay seller KICKMobiles does have a physical store in Gloucester Road Kensington London and currently listing a Fairphone 5: https://www.ebay.co.uk/itm/305117808036
@Saleh
Unfortunately in the case of online sellers device is quite often already packaged and weighed to enable same day despatch. Thanks for letting the forum know.