Does NR1 flood?

NR1 1EE up to High NR1 1PA up to High NR1 1QH up to High NR1 1WX up to High NR1 2BU up to High NR1 4DZ up to High NR1 4EJ up to High NR1 4EN up to High NR1 1BP up to Medium NR1 1BW up to Medium NR1 1DJ up to Medium NR1 1DW up to Medium NR1 1HX up to Medium NR1 1JG up to Medium NR1 1NP up to Medium NR1 1NR up to Medium NR1 1NS up to Medium NR1 1NW up to Medium NR1 1PY up to Medium NR1 2EE up to Medium NR1 4AA up to Medium NR1 1DX up to Low NR1 1DZ up to Low NR1 1FY up to Low NR1 1GA up to Low NR1 1GW up to Low NR1 1GX up to Low NR1 1HB up to Low NR1 1HS up to Low NR1 1HU up to Low NR1 1JA up to Low NR1 1JB up to Low NR1 1JE up to Low NR1 1JJ up to Low NR1 1JL up to Low NR1 1JN up to Low NR1 1JP up to Low NR1 1JR up to Low NR1 1LW up to Low NR1 1ND up to Low NR1 1NE up to Low NR1 1NJ up to Low NR1 1QA up to Low NR1 1QW up to Low NR1 1SQ up to Low NR1 1TB up to Low NR1 1TZ up to Low NR1 1XG up to Low NR1 1YW up to Low NR1 2BT up to Low NR1 2EG up to Low NR1 2LY up to Low NR1 4EG up to Low NR1 4EL up to Low NR1 4EP up to Low NR1 4EQ up to Low NR1 4EW up to Low NR1 4GB up to Low