AL5 1 postcode sector in the AL5 district

AL5 1 is a sector of the AL5 district: every postcode that starts AL5 1. It has 192 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 AL5 1 sector, and which are new since 2020

Map of every postcode in the AL5 1 sector, by new since 2020 Of the 192 postcodes in the AL5 1 sector that ONS places, 2 are new since 2020 and 190 were in use before 2020. 2 postcodes lie beyond the edge and are listed under the map. Places named: Harpenden South, Harpenden West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1081 AL5 1AA: before 2020AL5 1AB: before 2020AL5 1AD: before 2020AL5 1AF: before 2020AL5 1AG: before 2020AL5 1AJ: before 2020AL5 1AL: before 2020AL5 1AP: before 2020AL5 1AQ: before 2020AL5 1AS: before 2020AL5 1AU: before 2020AL5 1AW: before 2020AL5 1AX: before 2020AL5 1AY: before 2020AL5 1BA: before 2020AL5 1BB: before 2020AL5 1BD: before 2020AL5 1BE: before 2020AL5 1BG: before 2020AL5 1BH: before 2020AL5 1BJ: before 2020AL5 1BL: before 2020AL5 1BN: before 2020AL5 1BP: before 2020AL5 1BQ: before 2020AL5 1BS: before 2020AL5 1BT: before 2020AL5 1BU: before 2020AL5 1BW: before 2020AL5 1BX: before 2020AL5 1BY: before 2020AL5 1BZ: before 2020AL5 1DA: before 2020AL5 1DB: before 2020AL5 1DD: before 2020AL5 1DE: before 2020AL5 1DF: before 2020AL5 1DG: before 2020AL5 1DH: before 2020AL5 1DJ: before 2020AL5 1DL: before 2020AL5 1DN: before 2020AL5 1DP: before 2020AL5 1DQ: before 2020AL5 1DR: before 2020AL5 1DW: before 2020AL5 1DY: before 2020AL5 1DZ: before 2020AL5 1EA: before 2020AL5 1EB: before 2020AL5 1EF: before 2020AL5 1EG: before 2020AL5 1EJ: before 2020AL5 1EL: before 2020AL5 1EN: before 2020AL5 1EP: before 2020AL5 1EQ: before 2020AL5 1ER: before 2020AL5 1ES: before 2020AL5 1ET: before 2020AL5 1EU: before 2020AL5 1EW: before 2020AL5 1EX: before 2020AL5 1EY: before 2020AL5 1EZ: before 2020AL5 1FA: before 2020AL5 1GD: before 2020AL5 1HA: before 2020AL5 1HB: before 2020AL5 1HD: before 2020AL5 1HE: before 2020AL5 1HF: before 2020AL5 1HG: before 2020AL5 1HH: before 2020AL5 1HJ: before 2020AL5 1HL: before 2020AL5 1HN: before 2020AL5 1HQ: before 2020AL5 1JA: before 2020AL5 1JB: before 2020AL5 1JD: before 2020AL5 1JE: before 2020AL5 1JF: before 2020AL5 1JG: before 2020AL5 1JH: before 2020AL5 1JJ: before 2020AL5 1JL: before 2020AL5 1JN: before 2020AL5 1JP: before 2020AL5 1JQ: before 2020AL5 1JR: before 2020AL5 1JS: before 2020AL5 1JU: before 2020AL5 1JW: before 2020AL5 1JX: before 2020AL5 1JY: before 2020AL5 1LG: before 2020AL5 1LH: before 2020AL5 1LJ: before 2020AL5 1LL: before 2020AL5 1LN: before 2020AL5 1LP: before 2020AL5 1LQ: before 2020AL5 1LR: before 2020AL5 1LS: before 2020AL5 1LT: before 2020AL5 1LU: before 2020AL5 1LW: before 2020AL5 1LX: before 2020AL5 1LZ: before 2020AL5 1NA: before 2020AL5 1NB: before 2020AL5 1ND: before 2020AL5 1NE: before 2020AL5 1NF: before 2020AL5 1NG: before 2020AL5 1NL: before 2020AL5 1NQ: before 2020AL5 1NY: before 2020AL5 1PA: before 2020AL5 1PD: before 2020AL5 1PF: before 2020AL5 1PG: before 2020AL5 1PQ: before 2020AL5 1PR: before 2020AL5 1PS: before 2020AL5 1PU: before 2020AL5 1PW: before 2020AL5 1PX: before 2020AL5 1PY: before 2020AL5 1QA: before 2020AL5 1QB: before 2020AL5 1QD: before 2020AL5 1QE: before 2020AL5 1QF: before 2020AL5 1QG: before 2020AL5 1QH: before 2020AL5 1QJ: before 2020AL5 1QL: before 2020AL5 1QN: before 2020AL5 1QP: before 2020AL5 1QQ: before 2020AL5 1QR: before 2020AL5 1QU: before 2020AL5 1QW: before 2020AL5 1QX: before 2020AL5 1QY: before 2020AL5 1RB: before 2020AL5 1RD: before 2020AL5 1RE: before 2020AL5 1RF: before 2020AL5 1RG: before 2020AL5 1RH: before 2020AL5 1RJ: before 2020AL5 1RL: before 2020AL5 1RN: before 2020AL5 1RP: before 2020AL5 1RQ: before 2020AL5 1RR: before 2020AL5 1RS: before 2020AL5 1RT: before 2020AL5 1RU: before 2020AL5 1RW: before 2020AL5 1RZ: before 2020AL5 1SD: before 2020AL5 1SE: before 2020AL5 1SF: before 2020AL5 1SG: before 2020AL5 1SH: before 2020AL5 1SJ: before 2020AL5 1SL: before 2020AL5 1SN: before 2020AL5 1SP: before 2020AL5 1SQ: before 2020AL5 1SR: before 2020AL5 1SS: before 2020AL5 1ST: before 2020AL5 1SU: before 2020AL5 1SW: before 2020AL5 1SX: before 2020AL5 1SY: before 2020AL5 1SZ: before 2020AL5 1TA: before 2020AL5 1TB: before 2020AL5 1TD: before 2020AL5 1TE: before 2020AL5 1TH: before 2020AL5 1DT: new since 2020AL5 1FB: new since 2020 Harpenden SouthHarpenden West Map of every postcode in the AL5 1 sector, by new since 2020 Of the 192 postcodes in the AL5 1 sector that ONS places, 2 are new since 2020 and 190 were in use before 2020. 2 postcodes lie beyond the edge and are listed under the map. Places named: Harpenden South, Harpenden West. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Harpenden SouthHarpenden West
  • New since 2020: 2
  • In use before 2020: 190

Of the 192 postcodes in the AL5 1 sector that ONS places, 2 are new since 2020 and 190 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. 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; when each came into use: the same directory; 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 2 newest postcodes

AL5 1FBJune 2025AL5 1DTJanuary 2020

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

AL5 1ANAL5 1GZ

What do homes sell for in AL5 1?

Homes in AL5 1 sold for a typical £735,000 in the 12 months to August 2026, across 72 sales, up 9.7% on the 12 months before, HM Land Registry's figures show.

£735,000 typical price, the 12 months to August 2026
£670,000 12 months to August 2025
▲ up 9.7% on the 12 months before
  • Detached £940,000 19 sales
  • Semi-detached £795,000 23 sales
  • Terraced £605,000 18 sales
  • Flat or maisonette £258,500 12 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 AL5 1. 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 AL5 1

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.

AL5 1AAAL5 1ABAL5 1ADAL5 1AFAL5 1AGAL5 1AJAL5 1ALAL5 1ANAL5 1APAL5 1AQAL5 1ASAL5 1AUAL5 1AWAL5 1AXAL5 1AYAL5 1BAAL5 1BBAL5 1BDAL5 1BEAL5 1BGAL5 1BHAL5 1BJAL5 1BLAL5 1BNAL5 1BPAL5 1BQAL5 1BSAL5 1BTAL5 1BUAL5 1BWAL5 1BXAL5 1BYAL5 1BZAL5 1DAAL5 1DBAL5 1DDAL5 1DEAL5 1DFAL5 1DGAL5 1DHAL5 1DJAL5 1DLAL5 1DNAL5 1DPAL5 1DQAL5 1DRAL5 1DTAL5 1DWAL5 1DYAL5 1DZAL5 1EAAL5 1EBAL5 1EFAL5 1EGAL5 1EHAL5 1EJAL5 1ELAL5 1ENAL5 1EPAL5 1EQAL5 1ERAL5 1ESAL5 1ETAL5 1EUAL5 1EWAL5 1EXAL5 1EYAL5 1EZAL5 1FAAL5 1FBAL5 1GDAL5 1GZAL5 1HAAL5 1HBAL5 1HDAL5 1HEAL5 1HFAL5 1HGAL5 1HHAL5 1HJAL5 1HLAL5 1HNAL5 1HQAL5 1JAAL5 1JBAL5 1JDAL5 1JEAL5 1JFAL5 1JGAL5 1JHAL5 1JJAL5 1JLAL5 1JNAL5 1JPAL5 1JQAL5 1JRAL5 1JSAL5 1JUAL5 1JWAL5 1JXAL5 1JYAL5 1LGAL5 1LHAL5 1LJAL5 1LLAL5 1LNAL5 1LPAL5 1LQAL5 1LRAL5 1LSAL5 1LTAL5 1LUAL5 1LWAL5 1LXAL5 1LZAL5 1NAAL5 1NBAL5 1NDAL5 1NEAL5 1NFAL5 1NGAL5 1NLAL5 1NQAL5 1NYAL5 1PAAL5 1PDAL5 1PFAL5 1PGAL5 1PQAL5 1PRAL5 1PSAL5 1PUAL5 1PWAL5 1PXAL5 1PYAL5 1QAAL5 1QBAL5 1QDAL5 1QEAL5 1QFAL5 1QGAL5 1QHAL5 1QJAL5 1QLAL5 1QNAL5 1QPAL5 1QQAL5 1QRAL5 1QUAL5 1QWAL5 1QXAL5 1QYAL5 1RBAL5 1RDAL5 1REAL5 1RFAL5 1RGAL5 1RHAL5 1RJAL5 1RLAL5 1RNAL5 1RPAL5 1RQAL5 1RRAL5 1RSAL5 1RTAL5 1RUAL5 1RWAL5 1RZAL5 1SDAL5 1SEAL5 1SFAL5 1SGAL5 1SHAL5 1SJAL5 1SLAL5 1SNAL5 1SPAL5 1SQAL5 1SRAL5 1SSAL5 1STAL5 1SUAL5 1SWAL5 1SXAL5 1SYAL5 1SZAL5 1TAAL5 1TBAL5 1TDAL5 1TEAL5 1TH

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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