WD23 3 postcode sector in the WD23 district

WD23 3 is a sector of the WD23 district: every postcode that starts WD23 3. It has 156 postcodes in use, 5 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 WD23 3 sector, by flood risk

Map of every postcode in the WD23 3 sector, by flood risk Of the 156 postcodes in the WD23 3 sector that ONS places, 1 have a home or business at high risk, 7 are at low risk at worst and 148 are not on the Environment Agency's at-risk list. Places named: Bushey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M1A41 WD23 3AA: not on the flood risk listWD23 3AB: not on the flood risk listWD23 3AD: not on the flood risk listWD23 3AE: not on the flood risk listWD23 3AF: not on the flood risk listWD23 3AH: not on the flood risk listWD23 3AJ: not on the flood risk listWD23 3AL: not on the flood risk listWD23 3AQ: not on the flood risk listWD23 3AS: not on the flood risk listWD23 3AT: not on the flood risk listWD23 3AW: not on the flood risk listWD23 3AY: not on the flood risk listWD23 3AZ: not on the flood risk listWD23 3BA: not on the flood risk listWD23 3BB: not on the flood risk listWD23 3BD: not on the flood risk listWD23 3BE: not on the flood risk listWD23 3BG: not on the flood risk listWD23 3BH: not on the flood risk listWD23 3BJ: not on the flood risk listWD23 3BL: not on the flood risk listWD23 3BN: not on the flood risk listWD23 3BP: not on the flood risk listWD23 3BQ: not on the flood risk listWD23 3BS: not on the flood risk listWD23 3BT: not on the flood risk listWD23 3BW: not on the flood risk listWD23 3BX: not on the flood risk listWD23 3BY: not on the flood risk listWD23 3DE: not on the flood risk listWD23 3DF: not on the flood risk listWD23 3DG: not on the flood risk listWD23 3DH: not on the flood risk listWD23 3DJ: not on the flood risk listWD23 3DL: not on the flood risk listWD23 3DN: not on the flood risk listWD23 3DP: not on the flood risk listWD23 3DQ: not on the flood risk listWD23 3DR: not on the flood risk listWD23 3DS: not on the flood risk listWD23 3DT: not on the flood risk listWD23 3DU: not on the flood risk listWD23 3DX: not on the flood risk listWD23 3DY: not on the flood risk listWD23 3DZ: not on the flood risk listWD23 3EA: not on the flood risk listWD23 3EB: not on the flood risk listWD23 3ED: not on the flood risk listWD23 3EE: not on the flood risk listWD23 3EF: not on the flood risk listWD23 3EG: not on the flood risk listWD23 3EH: not on the flood risk listWD23 3EJ: not on the flood risk listWD23 3EL: not on the flood risk listWD23 3EN: not on the flood risk listWD23 3EP: not on the flood risk listWD23 3ER: not on the flood risk listWD23 3ES: not on the flood risk listWD23 3ET: not on the flood risk listWD23 3EU: not on the flood risk listWD23 3EW: not on the flood risk listWD23 3EX: not on the flood risk listWD23 3EY: not on the flood risk listWD23 3EZ: not on the flood risk listWD23 3FD: not on the flood risk listWD23 3FE: not on the flood risk listWD23 3FF: not on the flood risk listWD23 3FG: not on the flood risk listWD23 3FH: not on the flood risk listWD23 3FJ: not on the flood risk listWD23 3FL: not on the flood risk listWD23 3FN: not on the flood risk listWD23 3GZ: not on the flood risk listWD23 3HB: not on the flood risk listWD23 3HE: not on the flood risk listWD23 3HF: not on the flood risk listWD23 3HH: not on the flood risk listWD23 3HL: not on the flood risk listWD23 3HN: not on the flood risk listWD23 3HP: not on the flood risk listWD23 3HW: not on the flood risk listWD23 3JR: not on the flood risk listWD23 3JS: not on the flood risk listWD23 3JT: not on the flood risk listWD23 3JU: not on the flood risk listWD23 3LD: not on the flood risk listWD23 3LF: not on the flood risk listWD23 3LG: not on the flood risk listWD23 3LH: not on the flood risk listWD23 3LJ: not on the flood risk listWD23 3LL: not on the flood risk listWD23 3LN: not on the flood risk listWD23 3LP: not on the flood risk listWD23 3LR: not on the flood risk listWD23 3LS: not on the flood risk listWD23 3LT: not on the flood risk listWD23 3LU: not on the flood risk listWD23 3LW: not on the flood risk listWD23 3LX: not on the flood risk listWD23 3LY: not on the flood risk listWD23 3LZ: not on the flood risk listWD23 3NA: not on the flood risk listWD23 3ND: not on the flood risk listWD23 3NE: not on the flood risk listWD23 3NF: not on the flood risk listWD23 3NG: not on the flood risk listWD23 3NH: not on the flood risk listWD23 3NJ: not on the flood risk listWD23 3NL: not on the flood risk listWD23 3NN: not on the flood risk listWD23 3NP: not on the flood risk listWD23 3NQ: not on the flood risk listWD23 3NW: not on the flood risk listWD23 3PB: not on the flood risk listWD23 3PD: not on the flood risk listWD23 3PE: not on the flood risk listWD23 3PF: not on the flood risk listWD23 3PG: not on the flood risk listWD23 3PH: not on the flood risk listWD23 3PJ: not on the flood risk listWD23 3PL: not on the flood risk listWD23 3PN: not on the flood risk listWD23 3PP: not on the flood risk listWD23 3PQ: not on the flood risk listWD23 3PR: not on the flood risk listWD23 3PS: not on the flood risk listWD23 3PT: not on the flood risk listWD23 3PU: not on the flood risk listWD23 3PW: not on the flood risk listWD23 3PX: not on the flood risk listWD23 3PY: not on the flood risk listWD23 3RU: not on the flood risk listWD23 3RY: not on the flood risk listWD23 3SS: not on the flood risk listWD23 3ST: not on the flood risk listWD23 3SU: not on the flood risk listWD23 3SX: not on the flood risk listWD23 3SY: not on the flood risk listWD23 3SZ: not on the flood risk listWD23 3TA: not on the flood risk listWD23 3TB: not on the flood risk listWD23 3TD: not on the flood risk listWD23 3TH: not on the flood risk listWD23 3TP: not on the flood risk listWD23 3XW: not on the flood risk listWD23 3XZ: not on the flood risk listWD23 3AP: low flood risk at worstWD23 3AR: low flood risk at worstWD23 3AU: low flood risk at worstWD23 3AX: low flood risk at worstWD23 3FA: low flood risk at worstWD23 3NB: low flood risk at worstWD23 3NR: low flood risk at worstWD23 3TJ: high flood risk Bushey Map of every postcode in the WD23 3 sector, by flood risk Of the 156 postcodes in the WD23 3 sector that ONS places, 1 have a home or business at high risk, 7 are at low risk at worst and 148 are not on the Environment Agency's at-risk list. Places named: Bushey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A41 Bushey
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 148

Of the 156 postcodes in the WD23 3 sector that ONS places, 1 have a home or business at high risk, 7 are at low risk at worst and 148 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.

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.

WD23 3TJ13 at high risk

What do homes sell for in WD23 3?

Homes in WD23 3 sold for a typical £561,000 in the 12 months to August 2026, across 54 sales, up 6.9% on the 12 months before, HM Land Registry's figures show.

£561,000 typical price, the 12 months to August 2026
£525,000 12 months to August 2025
▲ up 6.9% on the 12 months before
  • Detached £865,000 9 sales
  • Semi-detached £595,000 21 sales
  • Terraced £471,000 15 sales
  • Flat or maisonette £255,000 9 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 WD23 3. 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 WD23 3

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.

WD23 3AAWD23 3ABWD23 3ADWD23 3AEWD23 3AFWD23 3AHWD23 3AJWD23 3ALWD23 3APWD23 3AQWD23 3ARWD23 3ASWD23 3ATWD23 3AUWD23 3AWWD23 3AXWD23 3AYWD23 3AZWD23 3BAWD23 3BBWD23 3BDWD23 3BEWD23 3BGWD23 3BHWD23 3BJWD23 3BLWD23 3BNWD23 3BPWD23 3BQWD23 3BSWD23 3BTWD23 3BWWD23 3BXWD23 3BYWD23 3DEWD23 3DFWD23 3DGWD23 3DHWD23 3DJWD23 3DLWD23 3DNWD23 3DPWD23 3DQWD23 3DRWD23 3DSWD23 3DTWD23 3DUWD23 3DXWD23 3DYWD23 3DZWD23 3EAWD23 3EBWD23 3EDWD23 3EEWD23 3EFWD23 3EGWD23 3EHWD23 3EJWD23 3ELWD23 3ENWD23 3EPWD23 3ERWD23 3ESWD23 3ETWD23 3EUWD23 3EWWD23 3EXWD23 3EYWD23 3EZWD23 3FAWD23 3FDWD23 3FEWD23 3FFWD23 3FGWD23 3FHWD23 3FJWD23 3FLWD23 3FNWD23 3GZWD23 3HBWD23 3HDWD23 3HEWD23 3HFWD23 3HHWD23 3HLWD23 3HNWD23 3HPWD23 3HWWD23 3JRWD23 3JSWD23 3JTWD23 3JUWD23 3LDWD23 3LFWD23 3LGWD23 3LHWD23 3LJWD23 3LLWD23 3LNWD23 3LPWD23 3LRWD23 3LSWD23 3LTWD23 3LUWD23 3LWWD23 3LXWD23 3LYWD23 3LZWD23 3NAWD23 3NBWD23 3NDWD23 3NEWD23 3NFWD23 3NGWD23 3NHWD23 3NJWD23 3NLWD23 3NNWD23 3NPWD23 3NQWD23 3NRWD23 3NWWD23 3PBWD23 3PDWD23 3PEWD23 3PFWD23 3PGWD23 3PHWD23 3PJWD23 3PLWD23 3PNWD23 3PPWD23 3PQWD23 3PRWD23 3PSWD23 3PTWD23 3PUWD23 3PWWD23 3PXWD23 3PYWD23 3RUWD23 3RYWD23 3SSWD23 3STWD23 3SUWD23 3SXWD23 3SYWD23 3SZWD23 3TAWD23 3TBWD23 3TDWD23 3THWD23 3TJWD23 3TPWD23 3XWWD23 3XZ

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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