AL1 2 postcode sector in the AL1 district

AL1 2 is a sector of the AL1 district: every postcode that starts AL1 2. It has 175 postcodes in use, 4 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the AL1 2 sector, by flood risk

Map of every postcode in the AL1 2 sector, by flood risk Of the 175 postcodes in the AL1 2 sector that ONS places, 4 are at low risk at worst and 171 are not on the Environment Agency's at-risk list. Places named: Sopwell, Verulam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A414 AL1 2AA: not on the flood risk listAL1 2AD: not on the flood risk listAL1 2AE: not on the flood risk listAL1 2AF: not on the flood risk listAL1 2AH: not on the flood risk listAL1 2AJ: not on the flood risk listAL1 2AL: not on the flood risk listAL1 2AN: not on the flood risk listAL1 2AP: not on the flood risk listAL1 2AQ: not on the flood risk listAL1 2AR: not on the flood risk listAL1 2AS: not on the flood risk listAL1 2AT: not on the flood risk listAL1 2AU: not on the flood risk listAL1 2AW: not on the flood risk listAL1 2AX: not on the flood risk listAL1 2AY: not on the flood risk listAL1 2AZ: not on the flood risk listAL1 2BA: not on the flood risk listAL1 2BB: not on the flood risk listAL1 2BD: not on the flood risk listAL1 2BE: not on the flood risk listAL1 2BG: not on the flood risk listAL1 2BH: not on the flood risk listAL1 2BJ: not on the flood risk listAL1 2BL: not on the flood risk listAL1 2BN: not on the flood risk listAL1 2BP: not on the flood risk listAL1 2BQ: not on the flood risk listAL1 2BS: not on the flood risk listAL1 2BT: not on the flood risk listAL1 2BU: not on the flood risk listAL1 2BW: not on the flood risk listAL1 2BX: not on the flood risk listAL1 2BY: not on the flood risk listAL1 2BZ: not on the flood risk listAL1 2DD: not on the flood risk listAL1 2DE: not on the flood risk listAL1 2DF: not on the flood risk listAL1 2DG: not on the flood risk listAL1 2DJ: not on the flood risk listAL1 2DL: not on the flood risk listAL1 2DN: not on the flood risk listAL1 2DP: not on the flood risk listAL1 2DS: not on the flood risk listAL1 2DT: not on the flood risk listAL1 2DU: not on the flood risk listAL1 2DW: not on the flood risk listAL1 2DX: not on the flood risk listAL1 2EA: not on the flood risk listAL1 2ED: not on the flood risk listAL1 2EF: not on the flood risk listAL1 2EJ: not on the flood risk listAL1 2EL: not on the flood risk listAL1 2EN: not on the flood risk listAL1 2EP: not on the flood risk listAL1 2ER: not on the flood risk listAL1 2ET: not on the flood risk listAL1 2EW: not on the flood risk listAL1 2EX: not on the flood risk listAL1 2EY: not on the flood risk listAL1 2EZ: not on the flood risk listAL1 2HH: not on the flood risk listAL1 2HL: not on the flood risk listAL1 2HN: not on the flood risk listAL1 2HP: not on the flood risk listAL1 2HQ: not on the flood risk listAL1 2HR: not on the flood risk listAL1 2HS: not on the flood risk listAL1 2HT: not on the flood risk listAL1 2HU: not on the flood risk listAL1 2HW: not on the flood risk listAL1 2HX: not on the flood risk listAL1 2HY: not on the flood risk listAL1 2HZ: not on the flood risk listAL1 2JA: not on the flood risk listAL1 2JB: not on the flood risk listAL1 2JD: not on the flood risk listAL1 2JE: not on the flood risk listAL1 2JF: not on the flood risk listAL1 2JG: not on the flood risk listAL1 2JH: not on the flood risk listAL1 2JJ: not on the flood risk listAL1 2JL: not on the flood risk listAL1 2JN: not on the flood risk listAL1 2JP: not on the flood risk listAL1 2JR: not on the flood risk listAL1 2JS: not on the flood risk listAL1 2JT: not on the flood risk listAL1 2JU: not on the flood risk listAL1 2JW: not on the flood risk listAL1 2JX: not on the flood risk listAL1 2JY: not on the flood risk listAL1 2JZ: not on the flood risk listAL1 2LA: not on the flood risk listAL1 2LB: not on the flood risk listAL1 2LD: not on the flood risk listAL1 2LE: not on the flood risk listAL1 2LF: not on the flood risk listAL1 2LG: not on the flood risk listAL1 2LH: not on the flood risk listAL1 2LJ: not on the flood risk listAL1 2LL: not on the flood risk listAL1 2LN: not on the flood risk listAL1 2LP: not on the flood risk listAL1 2LQ: not on the flood risk listAL1 2LR: not on the flood risk listAL1 2LS: not on the flood risk listAL1 2LT: not on the flood risk listAL1 2LU: not on the flood risk listAL1 2LW: not on the flood risk listAL1 2LX: not on the flood risk listAL1 2LY: not on the flood risk listAL1 2LZ: not on the flood risk listAL1 2NE: not on the flood risk listAL1 2NF: not on the flood risk listAL1 2NG: not on the flood risk listAL1 2NH: not on the flood risk listAL1 2NJ: not on the flood risk listAL1 2NL: not on the flood risk listAL1 2NN: not on the flood risk listAL1 2NP: not on the flood risk listAL1 2NQ: not on the flood risk listAL1 2NR: not on the flood risk listAL1 2NS: not on the flood risk listAL1 2NT: not on the flood risk listAL1 2NU: not on the flood risk listAL1 2NW: not on the flood risk listAL1 2NX: not on the flood risk listAL1 2NY: not on the flood risk listAL1 2NZ: not on the flood risk listAL1 2PA: not on the flood risk listAL1 2PB: not on the flood risk listAL1 2PD: not on the flood risk listAL1 2PE: not on the flood risk listAL1 2PF: not on the flood risk listAL1 2PG: not on the flood risk listAL1 2PH: not on the flood risk listAL1 2PJ: not on the flood risk listAL1 2PN: not on the flood risk listAL1 2PP: not on the flood risk listAL1 2PQ: not on the flood risk listAL1 2PT: not on the flood risk listAL1 2PU: not on the flood risk listAL1 2PW: not on the flood risk listAL1 2PX: not on the flood risk listAL1 2PY: not on the flood risk listAL1 2QA: not on the flood risk listAL1 2QB: not on the flood risk listAL1 2QD: not on the flood risk listAL1 2QE: not on the flood risk listAL1 2QF: not on the flood risk listAL1 2QG: not on the flood risk listAL1 2QH: not on the flood risk listAL1 2QJ: not on the flood risk listAL1 2QL: not on the flood risk listAL1 2QN: not on the flood risk listAL1 2QP: not on the flood risk listAL1 2QQ: not on the flood risk listAL1 2QR: not on the flood risk listAL1 2QS: not on the flood risk listAL1 2QT: not on the flood risk listAL1 2QU: not on the flood risk listAL1 2QW: not on the flood risk listAL1 2QY: not on the flood risk listAL1 2RA: not on the flood risk listAL1 2RB: not on the flood risk listAL1 2RD: not on the flood risk listAL1 2RE: not on the flood risk listAL1 2RH: not on the flood risk listAL1 2RJ: not on the flood risk listAL1 2ES: low flood risk at worstAL1 2HA: low flood risk at worstAL1 2HE: low flood risk at worstAL1 2HJ: low flood risk at worst SopwellVerulam Map of every postcode in the AL1 2 sector, by flood risk Of the 175 postcodes in the AL1 2 sector that ONS places, 4 are at low risk at worst and 171 are not on the Environment Agency's at-risk list. Places named: Sopwell, Verulam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. SopwellVerulam
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 171

Of the 175 postcodes in the AL1 2 sector that ONS places, 4 are at low risk at worst and 171 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. Names in italics are council wards: we hold no town or village names here.

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

What do homes sell for in AL1 2?

Homes in AL1 2 sold for a typical £560,000 in the 12 months to August 2026, across 51 sales, up 1.8% on the 12 months before, HM Land Registry's figures show.

£560,000 typical price, the 12 months to August 2026
£550,000 12 months to August 2025
▲ up 1.8% on the 12 months before
  • Detached £725,000 8 sales
  • Semi-detached £852,500 14 sales
  • Terraced £535,000 18 sales
  • Flat or maisonette £314,200 11 sales

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

Standard sales of homes at market value at the postcodes that start AL1 2. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

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 AL1 2

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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