Found under a disused railway bridge - 4 spiders in total.
No interactions present.
Looking at pictures of both suggested species online I agree with the Coelotes ID. Seems these are very rare in this area.
If it is Coelotes there are two species to choose from and terrestris is fairly well recorded from that area -
Lat/Lng: 50.8471, -0.7894
OS grid ref: SU853059
Under an old railway bridge, now a cycle-path.