Does SO18 flood?

SO18 1AB up to High SO18 1AD up to High SO18 1AX up to High SO18 1AY up to High SO18 1BZ up to High SO18 1DP up to High SO18 1EA up to High SO18 1EB up to High SO18 1ED up to High SO18 1GB up to High SO18 1GD up to High SO18 1GE up to High SO18 1HL up to High SO18 1NQ up to High SO18 1NX up to High SO18 1QN up to High SO18 1UB up to High SO18 1UD up to High SO18 1UG up to High SO18 1ZA up to High SO18 2HP up to High SO18 2JL up to High SO18 2JQ up to High SO18 2JR up to High SO18 2JY up to High SO18 2LF up to High SO18 2QN up to High SO18 2ST up to High SO18 3HW up to High SO18 1BD up to Medium SO18 1DU up to Medium SO18 1EG up to Medium SO18 1ER up to Medium SO18 2PF up to Medium SO18 2RN up to Medium SO18 1AL up to Low SO18 1AW up to Low SO18 1BA up to Low SO18 1BB up to Low SO18 1BH up to Low SO18 1DH up to Low SO18 1GH up to Low SO18 1GT up to Low SO18 1HP up to Low SO18 1UH up to Low SO18 2DP up to Low SO18 2FW up to Low SO18 2FX up to Low SO18 2JB up to Low SO18 2JD up to Low SO18 2NF up to Low SO18 2NH up to Low SO18 2RA up to Low SO18 2RP up to Low SO18 2RT up to Low SO18 3AD up to Low SO18 3QL up to Low SO18 2QS up to Very low