NN18 postcode district: Corby and around, North Northamptonshire

NN18 is a postcode district in England, with 658 postcodes in use in 3 sectors. It has postcodes in Corby. Its council is North Northamptonshire.

Postcodes in use
658
Sectors
3
Council
North Northamptonshire
Places
Corby

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in NN18, by flood risk

Map of every postcode in NN18, by flood risk Of the 658 postcodes in NN18 that ONS places, 4 have a home or business at high risk, 3 are at medium risk at worst, 11 are at low risk at worst, 4 are at very low risk only and 636 are not on the Environment Agency's at-risk list. Places named: Corby. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. NN18 0AB: not on the flood risk listNN18 0AD: not on the flood risk listNN18 0AE: not on the flood risk listNN18 0AF: not on the flood risk listNN18 0AG: not on the flood risk listNN18 0AH: not on the flood risk listNN18 0AJ: not on the flood risk listNN18 0AL: not on the flood risk listNN18 0AN: not on the flood risk listNN18 0AP: not on the flood risk listNN18 0AQ: not on the flood risk listNN18 0AR: not on the flood risk listNN18 0AS: not on the flood risk listNN18 0AT: not on the flood risk listNN18 0AU: not on the flood risk listNN18 0AW: not on the flood risk listNN18 0AX: not on the flood risk listNN18 0AY: not on the flood risk listNN18 0AZ: not on the flood risk listNN18 0BA: not on the flood risk listNN18 0BD: not on the flood risk listNN18 0BE: not on the flood risk listNN18 0BF: not on the flood risk listNN18 0BG: not on the flood risk listNN18 0BH: not on the flood risk listNN18 0BJ: not on the flood risk listNN18 0BL: not on the flood risk listNN18 0BN: not on the flood risk listNN18 0BP: not on the flood risk listNN18 0BQ: not on the flood risk listNN18 0BS: not on the flood risk listNN18 0BT: not on the flood risk listNN18 0BU: not on the flood risk listNN18 0BW: not on the flood risk listNN18 0BX: not on the flood risk listNN18 0BY: not on the flood risk listNN18 0DA: not on the flood risk listNN18 0DB: not on the flood risk listNN18 0DD: not on the flood risk listNN18 0DE: not on the flood risk listNN18 0DF: not on the flood risk listNN18 0DG: not on the flood risk listNN18 0DH: not on the flood risk listNN18 0DJ: not on the flood risk listNN18 0DL: not on the flood risk listNN18 0DN: not on the flood risk listNN18 0DR: not on the flood risk listNN18 0DS: not on the flood risk listNN18 0DT: not on the flood risk listNN18 0DU: not on the flood risk listNN18 0DW: not on the flood risk listNN18 0DX: not on the flood risk listNN18 0EG: not on the flood risk listNN18 0EH: not on the flood risk listNN18 0EJ: not on the flood risk listNN18 0EL: not on the flood risk listNN18 0EN: not on the flood risk listNN18 0EP: not on the flood risk listNN18 0EQ: not on the flood risk listNN18 0ER: not on the flood risk listNN18 0ES: not on the flood risk listNN18 0ET: not on the flood risk listNN18 0EU: not on the flood risk listNN18 0EW: not on the flood risk listNN18 0EX: not on the flood risk listNN18 0EY: not on the flood risk listNN18 0EZ: not on the flood risk listNN18 0HA: not on the flood risk listNN18 0HB: not on the flood risk listNN18 0HD: not on the flood risk listNN18 0HF: not on the flood risk listNN18 0HG: not on the flood risk listNN18 0HH: not on the flood risk listNN18 0HJ: not on the flood risk listNN18 0HL: not on the flood risk listNN18 0HN: not on the flood risk listNN18 0HP: not on the flood risk listNN18 0HQ: not on the flood risk listNN18 0HR: not on the flood risk listNN18 0HW: not on the flood risk listNN18 0HZ: not on the flood risk listNN18 0JA: not on the flood risk listNN18 0JB: not on the flood risk listNN18 0JD: not on the flood risk listNN18 0JE: not on the flood risk listNN18 0JF: not on the flood risk listNN18 0JG: not on the flood risk listNN18 0JH: not on the flood risk listNN18 0JJ: not on the flood risk listNN18 0JL: not on the flood risk listNN18 0JN: not on the flood risk listNN18 0JP: not on the flood risk listNN18 0JQ: not on the flood risk listNN18 0JR: not on the flood risk listNN18 0JS: not on the flood risk listNN18 0JT: not on the flood risk listNN18 0JU: not on the flood risk listNN18 0JW: not on the flood risk listNN18 0JX: not on the flood risk listNN18 0JY: not on the flood risk listNN18 0LA: not on the flood risk listNN18 0LE: not on the flood risk listNN18 0LF: not on the flood risk listNN18 0LG: not on the flood risk listNN18 0LH: not on the flood risk listNN18 0LJ: not on the flood risk listNN18 0LL: not on the flood risk listNN18 0LN: not on the flood risk listNN18 0LQ: not on the flood risk listNN18 0LR: not on the flood risk listNN18 0LS: not on the flood risk listNN18 0LT: not on the flood risk listNN18 0LU: not on the flood risk listNN18 0LW: not on the flood risk listNN18 0LX: not on the flood risk listNN18 0LY: not on the flood risk listNN18 0LZ: not on the flood risk listNN18 0NA: not on the flood risk listNN18 0NB: not on the flood risk listNN18 0ND: not on the flood risk listNN18 0NE: not on the flood risk listNN18 0NF: not on the flood risk listNN18 0NP: not on the flood risk listNN18 0NR: not on the flood risk listNN18 0NS: not on the flood risk listNN18 0NT: not on the flood risk listNN18 0NU: not on the flood risk listNN18 0NW: not on the flood risk listNN18 0NX: not on the flood risk listNN18 0NY: not on the flood risk listNN18 0NZ: not on the flood risk listNN18 0PB: not on the flood risk listNN18 0PD: not on the flood risk listNN18 0PE: not on the flood risk listNN18 0PF: not on the flood risk listNN18 0PG: not on the flood risk listNN18 0PH: not on the flood risk listNN18 0PL: not on the flood risk listNN18 0PN: not on the flood risk listNN18 0PQ: not on the flood risk listNN18 0PW: not on the flood risk listNN18 0PX: not on the flood risk listNN18 0PY: not on the flood risk listNN18 0PZ: not on the flood risk listNN18 0QA: not on the flood risk listNN18 0QB: not on the flood risk listNN18 0QD: not on the flood risk listNN18 0QF: not on the flood risk listNN18 0QG: not on the flood risk listNN18 0QH: not on the flood risk listNN18 0QJ: not on the flood risk listNN18 0QL: not on the flood risk listNN18 0QN: not on the flood risk listNN18 0QP: not on the flood risk listNN18 0QQ: not on the flood risk listNN18 0QR: not on the flood risk listNN18 0QS: not on the flood risk listNN18 0QT: not on the flood risk listNN18 0QU: not on the flood risk listNN18 0QW: not on the flood risk listNN18 0RA: not on the flood risk listNN18 0RG: not on the flood risk listNN18 0RH: not on the flood risk listNN18 0RJ: not on the flood risk listNN18 0RQ: not on the flood risk listNN18 0RR: not on the flood risk listNN18 0RS: not on the flood risk listNN18 0RT: not on the flood risk listNN18 0RX: not on the flood risk listNN18 0RY: not on the flood risk listNN18 0RZ: not on the flood risk listNN18 0SA: not on the flood risk listNN18 0SD: not on the flood risk listNN18 0SE: not on the flood risk listNN18 0SG: not on the flood risk listNN18 0SH: not on the flood risk listNN18 0SJ: not on the flood risk listNN18 0SL: not on the flood risk listNN18 0SN: not on the flood risk listNN18 0SP: not on the flood risk listNN18 0SQ: not on the flood risk listNN18 0SR: not on the flood risk listNN18 0SS: not on the flood risk listNN18 0TA: not on the flood risk listNN18 0TB: not on the flood risk listNN18 0TD: not on the flood risk listNN18 0TE: not on the flood risk listNN18 0TH: not on the flood risk listNN18 0TJ: not on the flood risk listNN18 0TL: not on the flood risk listNN18 0TN: not on the flood risk listNN18 0TP: not on the flood risk listNN18 0TW: not on the flood risk listNN18 8AL: not on the flood risk listNN18 8AN: not on the flood risk listNN18 8AP: not on the flood risk listNN18 8AQ: not on the flood risk listNN18 8AR: not on the flood risk listNN18 8AW: not on the flood risk listNN18 8AY: not on the flood risk listNN18 8AZ: not on the flood risk listNN18 8BA: not on the flood risk listNN18 8BB: not on the flood risk listNN18 8BD: not on the flood risk listNN18 8BE: not on the flood risk listNN18 8BG: not on the flood risk listNN18 8BH: not on the flood risk listNN18 8BJ: not on the flood risk listNN18 8BL: not on the flood risk listNN18 8BP: not on the flood risk listNN18 8BQ: not on the flood risk listNN18 8BS: not on the flood risk listNN18 8BT: not on the flood risk listNN18 8BU: not on the flood risk listNN18 8BX: not on the flood risk listNN18 8BY: not on the flood risk listNN18 8BZ: not on the flood risk listNN18 8DA: not on the flood risk listNN18 8DB: not on the flood risk listNN18 8DD: not on the flood risk listNN18 8DE: not on the flood risk listNN18 8DF: not on the flood risk listNN18 8DH: not on the flood risk listNN18 8DJ: not on the flood risk listNN18 8DN: not on the flood risk listNN18 8DQ: not on the flood risk listNN18 8DR: not on the flood risk listNN18 8DS: not on the flood risk listNN18 8DT: not on the flood risk listNN18 8DU: not on the flood risk listNN18 8DX: not on the flood risk listNN18 8DZ: not on the flood risk listNN18 8EA: not on the flood risk listNN18 8EE: not on the flood risk listNN18 8EF: not on the flood risk listNN18 8EJ: not on the flood risk listNN18 8EL: not on the flood risk listNN18 8EN: not on the flood risk listNN18 8EP: not on the flood risk listNN18 8ER: not on the flood risk listNN18 8EU: not on the flood risk listNN18 8EX: not on the flood risk listNN18 8EY: not on the flood risk listNN18 8FB: not on the flood risk listNN18 8FD: not on the flood risk listNN18 8FE: not on the flood risk listNN18 8FF: not on the flood risk listNN18 8FG: not on the flood risk listNN18 8FH: not on the flood risk listNN18 8FJ: not on the flood risk listNN18 8FL: not on the flood risk listNN18 8FN: not on the flood risk listNN18 8FP: not on the flood risk listNN18 8FQ: not on the flood risk listNN18 8FR: not on the flood risk listNN18 8FS: not on the flood risk listNN18 8FT: not on the flood risk listNN18 8FU: not on the flood risk listNN18 8FW: not on the flood risk listNN18 8FX: not on the flood risk listNN18 8FY: not on the flood risk listNN18 8FZ: not on the flood risk listNN18 8GD: not on the flood risk listNN18 8GH: not on the flood risk listNN18 8GJ: not on the flood risk listNN18 8GL: not on the flood risk listNN18 8GN: not on the flood risk listNN18 8GP: not on the flood risk listNN18 8GQ: not on the flood risk listNN18 8GR: not on the flood risk listNN18 8GS: not on the flood risk listNN18 8GT: not on the flood risk listNN18 8GU: not on the flood risk listNN18 8GW: not on the flood risk listNN18 8GX: not on the flood risk listNN18 8GY: not on the flood risk listNN18 8GZ: not on the flood risk listNN18 8HB: not on the flood risk listNN18 8HE: not on the flood risk listNN18 8HF: not on the flood risk listNN18 8HG: not on the flood risk listNN18 8HH: not on the flood risk listNN18 8HL: not on the flood risk listNN18 8HN: not on the flood risk listNN18 8HP: not on the flood risk listNN18 8HQ: not on the flood risk listNN18 8HR: not on the flood risk listNN18 8HS: not on the flood risk listNN18 8HU: not on the flood risk listNN18 8HX: not on the flood risk listNN18 8HY: not on the flood risk listNN18 8HZ: not on the flood risk listNN18 8JA: not on the flood risk listNN18 8JB: not on the flood risk listNN18 8JD: not on the flood risk listNN18 8JE: not on the flood risk listNN18 8JF: not on the flood risk listNN18 8JG: not on the flood risk listNN18 8JH: not on the flood risk listNN18 8JJ: not on the flood risk listNN18 8JL: not on the flood risk listNN18 8JN: not on the flood risk listNN18 8JP: not on the flood risk listNN18 8JQ: not on the flood risk listNN18 8JR: not on the flood risk listNN18 8JS: not on the flood risk listNN18 8JT: not on the flood risk listNN18 8JU: not on the flood risk listNN18 8JW: not on the flood risk listNN18 8JX: not on the flood risk listNN18 8JY: not on the flood risk listNN18 8LA: not on the flood risk listNN18 8LB: not on the flood risk listNN18 8LD: not on the flood risk listNN18 8LE: not on the flood risk listNN18 8LF: not on the flood risk listNN18 8LG: not on the flood risk listNN18 8LH: not on the flood risk listNN18 8LJ: not on the flood risk listNN18 8LL: not on the flood risk listNN18 8LN: not on the flood risk listNN18 8LP: not on the flood risk listNN18 8LQ: not on the flood risk listNN18 8LR: not on the flood risk listNN18 8LT: not on the flood risk listNN18 8LU: not on the flood risk listNN18 8LW: not on the flood risk listNN18 8LX: not on the flood risk listNN18 8LY: not on the flood risk listNN18 8LZ: not on the flood risk listNN18 8NA: not on the flood risk listNN18 8NB: not on the flood risk listNN18 8ND: not on the flood risk listNN18 8NE: not on the flood risk listNN18 8NF: not on the flood risk listNN18 8NG: not on the flood risk listNN18 8NH: not on the flood risk listNN18 8NJ: not on the flood risk listNN18 8NL: not on the flood risk listNN18 8NP: not on the flood risk listNN18 8NQ: not on the flood risk listNN18 8NR: not on the flood risk listNN18 8NS: not on the flood risk listNN18 8NT: not on the flood risk listNN18 8NU: not on the flood risk listNN18 8NW: not on the flood risk listNN18 8NX: not on the flood risk listNN18 8NY: not on the flood risk listNN18 8NZ: not on the flood risk listNN18 8PA: not on the flood risk listNN18 8PB: not on the flood risk listNN18 8PD: not on the flood risk listNN18 8PE: not on the flood risk listNN18 8PF: not on the flood risk listNN18 8PG: not on the flood risk listNN18 8PH: not on the flood risk listNN18 8PJ: not on the flood risk listNN18 8PL: not on the flood risk listNN18 8PN: not on the flood risk listNN18 8PP: not on the flood risk listNN18 8PQ: not on the flood risk listNN18 8PR: not on the flood risk listNN18 8PT: not on the flood risk listNN18 8PU: not on the flood risk listNN18 8PW: not on the flood risk listNN18 8PX: not on the flood risk listNN18 8PY: not on the flood risk listNN18 8QA: not on the flood risk listNN18 8QB: not on the flood risk listNN18 8QD: not on the flood risk listNN18 8QE: not on the flood risk listNN18 8QF: not on the flood risk listNN18 8QG: not on the flood risk listNN18 8QH: not on the flood risk listNN18 8QJ: not on the flood risk listNN18 8QL: not on the flood risk listNN18 8QN: not on the flood risk listNN18 8QP: not on the flood risk listNN18 8QQ: not on the flood risk listNN18 8QR: not on the flood risk listNN18 8QS: not on the flood risk listNN18 8QT: not on the flood risk listNN18 8QU: not on the flood risk listNN18 8QW: not on the flood risk listNN18 8QX: not on the flood risk listNN18 8QY: not on the flood risk listNN18 8QZ: not on the flood risk listNN18 8RB: not on the flood risk listNN18 8RD: not on the flood risk listNN18 8RE: not on the flood risk listNN18 8RF: not on the flood risk listNN18 8RG: not on the flood risk listNN18 8RJ: not on the flood risk listNN18 8RL: not on the flood risk listNN18 8RN: not on the flood risk listNN18 8RP: not on the flood risk listNN18 8RQ: not on the flood risk listNN18 8RR: not on the flood risk listNN18 8RS: not on the flood risk listNN18 8RT: not on the flood risk listNN18 8RU: not on the flood risk listNN18 8RW: not on the flood risk listNN18 8RX: not on the flood risk listNN18 8RY: not on the flood risk listNN18 8RZ: not on the flood risk listNN18 8SB: not on the flood risk listNN18 8SE: not on the flood risk listNN18 8SG: not on the flood risk listNN18 8SH: not on the flood risk listNN18 8SJ: not on the flood risk listNN18 8SL: not on the flood risk listNN18 8SN: not on the flood risk listNN18 8SP: not on the flood risk listNN18 8SQ: not on the flood risk listNN18 8SR: not on the flood risk listNN18 8SS: not on the flood risk listNN18 8ST: not on the flood risk listNN18 8SU: not on the flood risk listNN18 8SW: not on the flood risk listNN18 8SX: not on the flood risk listNN18 8SY: not on the flood risk listNN18 8TA: not on the flood risk listNN18 8TB: not on the flood risk listNN18 8TD: not on the flood risk listNN18 8TE: not on the flood risk listNN18 8TF: not on the flood risk listNN18 8TG: not on the flood risk listNN18 8TJ: not on the flood risk listNN18 8TL: not on the flood risk listNN18 8TN: not on the flood risk listNN18 8TP: not on the flood risk listNN18 8TQ: not on the flood risk listNN18 8TR: not on the flood risk listNN18 8TS: not on the flood risk listNN18 8TU: not on the flood risk listNN18 8TW: not on the flood risk listNN18 8TY: not on the flood risk listNN18 8TZ: not on the flood risk listNN18 8UB: not on the flood risk listNN18 8UD: not on the flood risk listNN18 8UF: not on the flood risk listNN18 8UG: not on the flood risk listNN18 8UH: not on the flood risk listNN18 8UJ: not on the flood risk listNN18 8UL: not on the flood risk listNN18 8WZ: not on the flood risk listNN18 9AA: not on the flood risk listNN18 9AB: not on the flood risk listNN18 9AD: not on the flood risk listNN18 9AE: not on the flood risk listNN18 9AF: not on the flood risk listNN18 9AG: not on the flood risk listNN18 9AJ: not on the flood risk listNN18 9AL: not on the flood risk listNN18 9AQ: not on the flood risk listNN18 9AS: not on the flood risk listNN18 9AT: not on the flood risk listNN18 9AU: not on the flood risk listNN18 9AW: not on the flood risk listNN18 9AX: not on the flood risk listNN18 9AY: not on the flood risk listNN18 9AZ: not on the flood risk listNN18 9BA: not on the flood risk listNN18 9BB: not on the flood risk listNN18 9BD: not on the flood risk listNN18 9BE: not on the flood risk listNN18 9BF: not on the flood risk listNN18 9BG: not on the flood risk listNN18 9BJ: not on the flood risk listNN18 9BL: not on the flood risk listNN18 9BN: not on the flood risk listNN18 9BP: not on the flood risk listNN18 9BQ: not on the flood risk listNN18 9BS: not on the flood risk listNN18 9BT: not on the flood risk listNN18 9BU: not on the flood risk listNN18 9BW: not on the flood risk listNN18 9BX: not on the flood risk listNN18 9BY: not on the flood risk listNN18 9BZ: not on the flood risk listNN18 9DA: not on the flood risk listNN18 9DD: not on the flood risk listNN18 9DE: not on the flood risk listNN18 9DF: not on the flood risk listNN18 9DG: not on the flood risk listNN18 9DH: not on the flood risk listNN18 9DJ: not on the flood risk listNN18 9DL: not on the flood risk listNN18 9DN: not on the flood risk listNN18 9DP: not on the flood risk listNN18 9DQ: not on the flood risk listNN18 9DR: not on the flood risk listNN18 9DS: not on the flood risk listNN18 9DT: not on the flood risk listNN18 9DU: not on the flood risk listNN18 9DX: not on the flood risk listNN18 9DY: not on the flood risk listNN18 9DZ: not on the flood risk listNN18 9EA: not on the flood risk listNN18 9EB: not on the flood risk listNN18 9ED: not on the flood risk listNN18 9EE: not on the flood risk listNN18 9EF: not on the flood risk listNN18 9EG: not on the flood risk listNN18 9EH: not on the flood risk listNN18 9EJ: not on the flood risk listNN18 9EL: not on the flood risk listNN18 9EN: not on the flood risk listNN18 9EP: not on the flood risk listNN18 9EQ: not on the flood risk listNN18 9ER: not on the flood risk listNN18 9ET: not on the flood risk listNN18 9EU: not on the flood risk listNN18 9EW: not on the flood risk listNN18 9EY: not on the flood risk listNN18 9EZ: not on the flood risk listNN18 9FA: not on the flood risk listNN18 9FB: not on the flood risk listNN18 9FD: not on the flood risk listNN18 9FF: not on the flood risk listNN18 9FH: not on the flood risk listNN18 9FJ: not on the flood risk listNN18 9FL: not on the flood risk listNN18 9FN: not on the flood risk listNN18 9FP: not on the flood risk listNN18 9FQ: not on the flood risk listNN18 9FR: not on the flood risk listNN18 9FS: not on the flood risk listNN18 9HA: not on the flood risk listNN18 9HB: not on the flood risk listNN18 9HD: not on the flood risk listNN18 9HE: not on the flood risk listNN18 9HF: not on the flood risk listNN18 9HG: not on the flood risk listNN18 9HH: not on the flood risk listNN18 9HL: not on the flood risk listNN18 9HN: not on the flood risk listNN18 9HR: not on the flood risk listNN18 9HT: not on the flood risk listNN18 9HU: not on the flood risk listNN18 9HW: not on the flood risk listNN18 9HX: not on the flood risk listNN18 9HY: not on the flood risk listNN18 9HZ: not on the flood risk listNN18 9JA: not on the flood risk listNN18 9JB: not on the flood risk listNN18 9JD: not on the flood risk listNN18 9JE: not on the flood risk listNN18 9JG: not on the flood risk listNN18 9JH: not on the flood risk listNN18 9JJ: not on the flood risk listNN18 9JL: not on the flood risk listNN18 9JN: not on the flood risk listNN18 9JP: not on the flood risk listNN18 9JR: not on the flood risk listNN18 9JS: not on the flood risk listNN18 9JT: not on the flood risk listNN18 9JU: not on the flood risk listNN18 9JW: not on the flood risk listNN18 9JX: not on the flood risk listNN18 9JY: not on the flood risk listNN18 9JZ: not on the flood risk listNN18 9LE: not on the flood risk listNN18 9LG: not on the flood risk listNN18 9LH: not on the flood risk listNN18 9LJ: not on the flood risk listNN18 9LL: not on the flood risk listNN18 9LN: not on the flood risk listNN18 9LP: not on the flood risk listNN18 9LQ: not on the flood risk listNN18 9LR: not on the flood risk listNN18 9LS: not on the flood risk listNN18 9LT: not on the flood risk listNN18 9LU: not on the flood risk listNN18 9LW: not on the flood risk listNN18 9LX: not on the flood risk listNN18 9LZ: not on the flood risk listNN18 9NA: not on the flood risk listNN18 9NB: not on the flood risk listNN18 9ND: not on the flood risk listNN18 9NE: not on the flood risk listNN18 9NG: not on the flood risk listNN18 9NS: not on the flood risk listNN18 9NT: not on the flood risk listNN18 9PA: not on the flood risk listNN18 9PB: not on the flood risk listNN18 9PD: not on the flood risk listNN18 9PE: not on the flood risk listNN18 9PF: not on the flood risk listNN18 9PG: not on the flood risk listNN18 9PH: not on the flood risk listNN18 9PJ: not on the flood risk listNN18 9PL: not on the flood risk listNN18 9QA: not on the flood risk listNN18 9QB: not on the flood risk listNN18 9QD: not on the flood risk listNN18 8AG: very low flood risk onlyNN18 8ES: very low flood risk onlyNN18 8FA: very low flood risk onlyNN18 8HJ: very low flood risk onlyNN18 0SF: low flood risk at worstNN18 8AA: low flood risk at worstNN18 8BW: low flood risk at worstNN18 8DL: low flood risk at worstNN18 8DP: low flood risk at worstNN18 8DY: low flood risk at worstNN18 8HW: low flood risk at worstNN18 8NN: low flood risk at worstNN18 8SZ: low flood risk at worstNN18 9NF: low flood risk at worstNN18 9NH: low flood risk at worstNN18 8HD: medium flood risk at worstNN18 8LS: medium flood risk at worstNN18 9NP: medium flood risk at worstNN18 8ET: high flood riskNN18 8EW: high flood riskNN18 8HA: high flood riskNN18 8TX: high flood risk Corby Map of every postcode in NN18, by flood risk Of the 658 postcodes in NN18 that ONS places, 4 have a home or business at high risk, 3 are at medium risk at worst, 11 are at low risk at worst, 4 are at very low risk only and 636 are not on the Environment Agency's at-risk list. Places named: Corby. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A6116 Corby
  • A home or business at high risk: 4
  • At medium risk at worst: 3
  • At low risk at worst: 11
  • At very low risk only: 4
  • Not on the at-risk list: 636

Of the 658 postcodes in NN18 that ONS places, 4 have a home or business at high risk, 3 are at medium risk at worst, 11 are at low risk at worst, 4 are at very low risk only and 636 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 52.4779, longitude -0.7125. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

NN18 8EW11 at high riskNN18 8ET7 at high riskNN18 8TX4 at high riskNN18 8HA1 at high risk

What broadband can you get in NN18?

Ofcom reports on 645 of the 658 postcodes in NN18. At 529 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit529 of 645
Postcodes where every home can get superfast618 of 645

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is NN18 at risk of flooding?

22 of the 658 postcodes in NN18 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 39 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 22 of 658 postcodes High: 23Medium: 16Low: 78Very low: 18

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in NN18?

Homes in NN18 sold for a typical £222,995 in the 12 months to August 2026, across 327 sales, up 1.4% on the 12 months before, HM Land Registry's figures show.

£222,995 typical price, the 12 months to August 2026
£220,000 12 months to August 2025
▲ up 1.4% on the 12 months before
  • Detached £325,000 93 sales
  • Semi-detached £215,000 103 sales
  • Terraced £197,750 112 sales
  • Flat or maisonette £135,000 19 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in NN18

Pick a sector, then a postcode. A sector is the district plus the next digit.

NN18 0207 postcodesNN18 8285 postcodesNN18 9166 postcodes
UK postcode format explained

Places in NN18

Towns and villages with postcodes in NN18, and how many each has here.

Corby postcodes,648

Who covers NN18

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Corby and East Northamptonshire617
  • Kettering41

Police force areas

  • Northamptonshire658

Next to NN18

NN17 postcode district NN29 postcode district All NN districts Corby postcodes

"Next to" is by number: the districts before and after NN18 in the NN area.

Check a postcode

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