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The centipede on the right is Geophilomorpha (no doubt about that). It is possibly Geophilus carpophagus - Geophilidae - (judging by colour and leg count), but I really really can't be certain (considerable doubt).
BMIG website: www.bmig.org.uk (centipedes, millipedes & woodlice)
BMIG Newsletters ~ www.bmig.org.uk/view/resource/bmig-newsletter
BMIG Bulletins ~ www.bmig.org.uk/view/resource/bmig-bulletin
Cheers thank you, these centipedes are so tricky to identify.
Lat/Lng: 51.3, -0.2
OS grid ref: TQ2567