British National Grid Square HP HU NA NC ND NF NG NH NJ NK NM NN NO NS NT NU NW NX NY NZ SD SE SH SJ SK SN SO SP SS ST SU SW SX SY SZ TA TF TG TL TM TQ TR TV
Sheet (from 00 to 99) 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
Quarter Sheet Any South West South East North West North East Full sheet
Country England & Wales Scotland Northern Ireland
Sheet (from 001 to 359) 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9