WD3 1 postcode sector in the WD3 district

WD3 1 is a sector of the WD3 district: every postcode that starts WD3 1. It has 197 postcodes in use, 16 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 WD3 1 sector, and which are new since 2020

Map of every postcode in the WD3 1 sector, by new since 2020 Of the 197 postcodes in the WD3 1 sector that ONS places, 3 are new since 2020 and 194 were in use before 2020. Places named: Rickmansworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A4145 WD3 1AA: before 2020WD3 1AB: before 2020WD3 1AD: before 2020WD3 1AE: before 2020WD3 1AF: before 2020WD3 1AG: before 2020WD3 1AN: before 2020WD3 1AR: before 2020WD3 1AT: before 2020WD3 1AW: before 2020WD3 1AY: before 2020WD3 1AZ: before 2020WD3 1BA: before 2020WD3 1BB: before 2020WD3 1BD: before 2020WD3 1BE: before 2020WD3 1BH: before 2020WD3 1BJ: before 2020WD3 1BL: before 2020WD3 1BN: before 2020WD3 1BP: before 2020WD3 1BQ: before 2020WD3 1BR: before 2020WD3 1BS: before 2020WD3 1BT: before 2020WD3 1BU: before 2020WD3 1BX: before 2020WD3 1DD: before 2020WD3 1DE: before 2020WD3 1DF: before 2020WD3 1DJ: before 2020WD3 1DN: before 2020WD3 1DP: before 2020WD3 1DQ: before 2020WD3 1DR: before 2020WD3 1DT: before 2020WD3 1DW: before 2020WD3 1DX: before 2020WD3 1EA: before 2020WD3 1ED: before 2020WD3 1EE: before 2020WD3 1EF: before 2020WD3 1EH: before 2020WD3 1EN: before 2020WD3 1EP: before 2020WD3 1EQ: before 2020WD3 1ER: before 2020WD3 1ET: before 2020WD3 1EW: before 2020WD3 1EY: before 2020WD3 1FA: before 2020WD3 1FB: before 2020WD3 1FD: before 2020WD3 1FE: before 2020WD3 1FF: before 2020WD3 1FH: before 2020WD3 1FJ: before 2020WD3 1FL: before 2020WD3 1FQ: before 2020WD3 1FR: before 2020WD3 1FS: before 2020WD3 1FT: before 2020WD3 1FU: before 2020WD3 1FX: before 2020WD3 1FY: before 2020WD3 1GD: before 2020WD3 1GE: before 2020WD3 1GF: before 2020WD3 1GG: before 2020WD3 1GH: before 2020WD3 1GL: before 2020WD3 1GR: before 2020WD3 1GY: before 2020WD3 1HA: before 2020WD3 1HB: before 2020WD3 1HD: before 2020WD3 1HE: before 2020WD3 1HF: before 2020WD3 1HG: before 2020WD3 1HH: before 2020WD3 1HJ: before 2020WD3 1HL: before 2020WD3 1HP: before 2020WD3 1HQ: before 2020WD3 1HT: before 2020WD3 1HU: before 2020WD3 1HW: before 2020WD3 1HX: before 2020WD3 1JA: before 2020WD3 1JB: before 2020WD3 1JD: before 2020WD3 1JE: before 2020WD3 1JF: before 2020WD3 1JH: before 2020WD3 1JJ: before 2020WD3 1JL: before 2020WD3 1JN: before 2020WD3 1JP: before 2020WD3 1JQ: before 2020WD3 1JR: before 2020WD3 1JS: before 2020WD3 1JT: before 2020WD3 1JU: before 2020WD3 1JW: before 2020WD3 1JX: before 2020WD3 1JY: before 2020WD3 1LA: before 2020WD3 1LD: before 2020WD3 1LE: before 2020WD3 1LF: before 2020WD3 1LG: before 2020WD3 1LJ: before 2020WD3 1LL: before 2020WD3 1LN: before 2020WD3 1LP: before 2020WD3 1LQ: before 2020WD3 1LR: before 2020WD3 1LU: before 2020WD3 1LW: before 2020WD3 1LX: before 2020WD3 1LY: before 2020WD3 1LZ: before 2020WD3 1NA: before 2020WD3 1NB: before 2020WD3 1ND: before 2020WD3 1NE: before 2020WD3 1NF: before 2020WD3 1NG: before 2020WD3 1NH: before 2020WD3 1NJ: before 2020WD3 1NL: before 2020WD3 1NN: before 2020WD3 1NP: before 2020WD3 1NQ: before 2020WD3 1NR: before 2020WD3 1NS: before 2020WD3 1NT: before 2020WD3 1NU: before 2020WD3 1NW: before 2020WD3 1NX: before 2020WD3 1NY: before 2020WD3 1NZ: before 2020WD3 1PA: before 2020WD3 1PB: before 2020WD3 1PD: before 2020WD3 1PE: before 2020WD3 1PH: before 2020WD3 1PJ: before 2020WD3 1PP: before 2020WD3 1PQ: before 2020WD3 1PR: before 2020WD3 1PS: before 2020WD3 1PT: before 2020WD3 1PU: before 2020WD3 1PX: before 2020WD3 1PY: before 2020WD3 1PZ: before 2020WD3 1QA: before 2020WD3 1QB: before 2020WD3 1QD: before 2020WD3 1QE: before 2020WD3 1QF: before 2020WD3 1QG: before 2020WD3 1QH: before 2020WD3 1QJ: before 2020WD3 1QL: before 2020WD3 1QN: before 2020WD3 1QP: before 2020WD3 1QQ: before 2020WD3 1QW: before 2020WD3 1QY: before 2020WD3 1QZ: before 2020WD3 1RE: before 2020WD3 1RH: before 2020WD3 1RL: before 2020WD3 1RT: before 2020WD3 1SB: before 2020WD3 1SW: before 2020WD3 1SZ: before 2020WD3 1TA: before 2020WD3 1TB: before 2020WD3 1FN: before 2020WD3 1GN: new since 2020WD3 1GJ: new since 2020WD3 1GQ: new since 2020 Rickmansworth Map of every postcode in the WD3 1 sector, by new since 2020 Of the 197 postcodes in the WD3 1 sector that ONS places, 3 are new since 2020 and 194 were in use before 2020. Places named: Rickmansworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A412 Rickmansworth
  • New since 2020: 3
  • In use before 2020: 194

Of the 197 postcodes in the WD3 1 sector that ONS places, 3 are new since 2020 and 194 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.

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 3 newest postcodes

WD3 1GQMarch 2026WD3 1GJSeptember 2025WD3 1GNMarch 2025

What do homes sell for in WD3 1?

Homes in WD3 1 sold for a typical £500,000 in the 12 months to August 2026, across 57 sales, down 4.8% on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£525,000 12 months to August 2025
▼ down 4.8% on the 12 months before
  • Detached £930,000 9 sales
  • Semi-detached £700,000 11 sales
  • Terraced £536,000 12 sales
  • Flat or maisonette £330,000 25 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 WD3 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 WD3 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.

WD3 1AAWD3 1ABWD3 1ADWD3 1AEWD3 1AFWD3 1AGWD3 1AJWD3 1ANWD3 1AQWD3 1ARWD3 1ATWD3 1AWWD3 1AYWD3 1AZWD3 1BAWD3 1BBWD3 1BDWD3 1BEWD3 1BHWD3 1BJWD3 1BLWD3 1BNWD3 1BPWD3 1BQWD3 1BRWD3 1BSWD3 1BTWD3 1BUWD3 1BXWD3 1DDWD3 1DEWD3 1DFWD3 1DHWD3 1DJWD3 1DNWD3 1DPWD3 1DQWD3 1DRWD3 1DSWD3 1DTWD3 1DWWD3 1DXWD3 1EAWD3 1EDWD3 1EEWD3 1EFWD3 1EHWD3 1ENWD3 1EPWD3 1EQWD3 1ERWD3 1ETWD3 1EWWD3 1EYWD3 1FAWD3 1FBWD3 1FDWD3 1FEWD3 1FFWD3 1FGWD3 1FHWD3 1FJWD3 1FLWD3 1FNWD3 1FQWD3 1FRWD3 1FSWD3 1FTWD3 1FUWD3 1FXWD3 1FYWD3 1FZWD3 1GAWD3 1GBWD3 1GDWD3 1GEWD3 1GFWD3 1GGWD3 1GHWD3 1GJWD3 1GLWD3 1GNWD3 1GQWD3 1GRWD3 1GYWD3 1HAWD3 1HBWD3 1HDWD3 1HEWD3 1HFWD3 1HGWD3 1HHWD3 1HJWD3 1HLWD3 1HPWD3 1HQWD3 1HTWD3 1HUWD3 1HWWD3 1HXWD3 1JAWD3 1JBWD3 1JDWD3 1JEWD3 1JFWD3 1JHWD3 1JJWD3 1JLWD3 1JNWD3 1JPWD3 1JQWD3 1JRWD3 1JSWD3 1JTWD3 1JUWD3 1JWWD3 1JXWD3 1JYWD3 1LAWD3 1LBWD3 1LDWD3 1LEWD3 1LFWD3 1LGWD3 1LJWD3 1LLWD3 1LNWD3 1LPWD3 1LQWD3 1LRWD3 1LUWD3 1LWWD3 1LXWD3 1LYWD3 1LZWD3 1NAWD3 1NBWD3 1NDWD3 1NEWD3 1NFWD3 1NGWD3 1NHWD3 1NJWD3 1NLWD3 1NNWD3 1NPWD3 1NQWD3 1NRWD3 1NSWD3 1NTWD3 1NUWD3 1NWWD3 1NXWD3 1NYWD3 1NZWD3 1PAWD3 1PBWD3 1PDWD3 1PEWD3 1PHWD3 1PJWD3 1PPWD3 1PQWD3 1PRWD3 1PSWD3 1PTWD3 1PUWD3 1PXWD3 1PYWD3 1PZWD3 1QAWD3 1QBWD3 1QDWD3 1QEWD3 1QFWD3 1QGWD3 1QHWD3 1QJWD3 1QLWD3 1QNWD3 1QPWD3 1QQWD3 1QWWD3 1QYWD3 1QZWD3 1REWD3 1RHWD3 1RLWD3 1RTWD3 1SBWD3 1SWWD3 1SZWD3 1TAWD3 1TBWD3 1XRWD3 1ZRWD3 1ZS

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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