Does HR1 flood?

HR1 1BB up to High HR1 1DN up to High HR1 2BG up to High HR1 2BN up to High HR1 2DF up to High HR1 2EA up to High HR1 2EB up to High HR1 2ER up to High HR1 2SZ up to High HR1 3AS up to High HR1 3AW up to High HR1 3BB up to High HR1 3EN up to High HR1 3FD up to High HR1 3HS up to High HR1 3JR up to High HR1 3JZ up to High HR1 3LA up to High HR1 3LZ up to High HR1 3NA up to High HR1 3NL up to High HR1 3NN up to High HR1 3NP up to High HR1 3NQ up to High HR1 3NT up to High HR1 3PE up to High HR1 3QF up to High HR1 3TE up to High HR1 4AS up to High HR1 4BW up to High HR1 4DF up to High HR1 4DY up to High HR1 4EW up to High HR1 4JB up to High HR1 4LW up to High HR1 4NJ up to High HR1 4NT up to High HR1 4PE up to High HR1 4RW up to High HR1 4SR up to High HR1 4TU up to High HR1 4TX up to High HR1 1AA up to Medium HR1 1FN up to Medium HR1 2BQ up to Medium HR1 2QW up to Medium HR1 2SG up to Medium HR1 3AT up to Medium HR1 3HT up to Medium HR1 3JB up to Medium HR1 3JE up to Medium HR1 3JU up to Medium HR1 3JY up to Medium HR1 3LP up to Medium HR1 3LR up to Medium HR1 3LS up to Medium HR1 3LU up to Medium HR1 3LW up to Medium HR1 3NS up to Medium HR1 3NU up to Medium HR1 4DP up to Medium HR1 4JL up to Medium HR1 4JP up to Medium HR1 4JR up to Medium HR1 4JS up to Medium HR1 4JT up to Medium HR1 4JU up to Medium HR1 4JX up to Medium HR1 4JY up to Medium HR1 4JZ up to Medium HR1 4LA up to Medium HR1 4LB up to Medium HR1 4LD up to Medium HR1 4LE up to Medium HR1 4LF up to Medium HR1 4LG up to Medium HR1 4LP up to Medium HR1 4RB up to Medium HR1 4RD up to Medium HR1 4RF up to Medium HR1 4SW up to Medium HR1 4TT up to Medium HR1 1RY up to Low HR1 1XY up to Low HR1 2BD up to Low HR1 2BJ up to Low HR1 2JX up to Low HR1 2JY up to Low HR1 2RQ up to Low HR1 2RS up to Low HR1 2ST up to Low HR1 2TB up to Low HR1 2TR up to Low HR1 2UA up to Low HR1 3DG up to Low HR1 3HY up to Low HR1 3LE up to Low HR1 3LT up to Low HR1 3LX up to Low HR1 3NE up to Low HR1 3NX up to Low HR1 3RG up to Low HR1 4BN up to Low HR1 4JJ up to Low HR1 4LN up to Low HR1 4LS up to Low HR1 4NX up to Low HR1 4PA up to Low HR1 4PD up to Low HR1 4PJ up to Low HR1 4QH up to Low HR1 4RL up to Low HR1 4SP up to Low HR1 4SS up to Low HR1 4UB up to Low HR1 4FL up to Very low