In reply to lukea6: The peak district is near otherwise there are pants outcrops
The Oxford Boulder
Oxfordshire, 17 miles WSW
Climbs: 30, bouldering (? - ?)
Clifton Reynes Disused Railway Bridge
Bedfordshire, 24 miles NNE
Climbs: 10, bouldering (V0- - V4)
The Standlake Boulder
Oxfordshire, 26 miles W
Metropolitan Police Fishery
Hertfordshire, 35 miles E
Climbs: 6, trad (M - VS)
Finedon Slabs
Northamptonshire, 37 miles NNE
Climbs: 27, trad (VD - E2)
Compton Verney -
Warwickshire, 39 miles WNW
Climbs: 5, bouldering (? - ?)
Box Hill
Surrey, 44 miles SE
Warlingham Quarry
Surrey, 46 miles SE
Climbs: 1, winter (? - ?)
Long Road Railway Bridge
Cambridgeshire, 47 miles ENE
Victoria Avenue Road Bridge
Cambridgeshire, 48 miles ENE
Cherry Hinton Chalk Quarry
Cambridgeshire, 49 miles ENE
Climbs: 12, winter (I - V)
Slawston Bridge
Leicestershire, 49 miles N
Climbs: 25, trad (? - ?), sport (? - ?), bouldering (? - ?)
Walls - Amersham and Uxbridge and some others.