YO23 3 postcode sector in the YO23 district

YO23 3 is a sector of the YO23 district: every postcode that starts YO23 3. It has 198 postcodes in use, 3 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 YO23 3 sector, by flood risk

Map of every postcode in the YO23 3 sector, by flood risk Of the 198 postcodes in the YO23 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst, 1 are at very low risk only and 191 are not on the Environment Agency's at-risk list. Places named: Copmanthorpe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1237A64 YO23 3AA: not on the flood risk listYO23 3AB: not on the flood risk listYO23 3AD: not on the flood risk listYO23 3AE: not on the flood risk listYO23 3AF: not on the flood risk listYO23 3AG: not on the flood risk listYO23 3AJ: not on the flood risk listYO23 3AL: not on the flood risk listYO23 3AP: not on the flood risk listYO23 3AQ: not on the flood risk listYO23 3FP: not on the flood risk listYO23 3FR: not on the flood risk listYO23 3FS: not on the flood risk listYO23 3FT: not on the flood risk listYO23 3FW: not on the flood risk listYO23 3FX: not on the flood risk listYO23 3FY: not on the flood risk listYO23 3FZ: not on the flood risk listYO23 3GB: not on the flood risk listYO23 3GE: not on the flood risk listYO23 3GF: not on the flood risk listYO23 3GG: not on the flood risk listYO23 3LA: not on the flood risk listYO23 3LB: not on the flood risk listYO23 3LD: not on the flood risk listYO23 3LT: not on the flood risk listYO23 3NA: not on the flood risk listYO23 3NE: not on the flood risk listYO23 3NJ: not on the flood risk listYO23 3NN: not on the flood risk listYO23 3NT: not on the flood risk listYO23 3NW: not on the flood risk listYO23 3NX: not on the flood risk listYO23 3NY: not on the flood risk listYO23 3NZ: not on the flood risk listYO23 3PA: not on the flood risk listYO23 3PE: not on the flood risk listYO23 3PF: not on the flood risk listYO23 3PG: not on the flood risk listYO23 3PH: not on the flood risk listYO23 3PJ: not on the flood risk listYO23 3PL: not on the flood risk listYO23 3PN: not on the flood risk listYO23 3PP: not on the flood risk listYO23 3PQ: not on the flood risk listYO23 3PR: not on the flood risk listYO23 3PS: not on the flood risk listYO23 3PT: not on the flood risk listYO23 3PU: not on the flood risk listYO23 3PW: not on the flood risk listYO23 3PX: not on the flood risk listYO23 3PY: not on the flood risk listYO23 3QB: not on the flood risk listYO23 3QD: not on the flood risk listYO23 3QE: not on the flood risk listYO23 3QF: not on the flood risk listYO23 3QG: not on the flood risk listYO23 3QH: not on the flood risk listYO23 3QJ: not on the flood risk listYO23 3QL: not on the flood risk listYO23 3QN: not on the flood risk listYO23 3QP: not on the flood risk listYO23 3QQ: not on the flood risk listYO23 3QR: not on the flood risk listYO23 3QS: not on the flood risk listYO23 3QT: not on the flood risk listYO23 3QU: not on the flood risk listYO23 3QW: not on the flood risk listYO23 3QX: not on the flood risk listYO23 3QY: not on the flood risk listYO23 3QZ: not on the flood risk listYO23 3RB: not on the flood risk listYO23 3RD: not on the flood risk listYO23 3RE: not on the flood risk listYO23 3RF: not on the flood risk listYO23 3RG: not on the flood risk listYO23 3RH: not on the flood risk listYO23 3RJ: not on the flood risk listYO23 3RL: not on the flood risk listYO23 3RN: not on the flood risk listYO23 3RP: not on the flood risk listYO23 3RQ: not on the flood risk listYO23 3RR: not on the flood risk listYO23 3RS: not on the flood risk listYO23 3RT: not on the flood risk listYO23 3RU: not on the flood risk listYO23 3RW: not on the flood risk listYO23 3RX: not on the flood risk listYO23 3RY: not on the flood risk listYO23 3SA: not on the flood risk listYO23 3SB: not on the flood risk listYO23 3SD: not on the flood risk listYO23 3SE: not on the flood risk listYO23 3SF: not on the flood risk listYO23 3SG: not on the flood risk listYO23 3SH: not on the flood risk listYO23 3SJ: not on the flood risk listYO23 3SL: not on the flood risk listYO23 3SN: not on the flood risk listYO23 3SP: not on the flood risk listYO23 3SQ: not on the flood risk listYO23 3SR: not on the flood risk listYO23 3SS: not on the flood risk listYO23 3ST: not on the flood risk listYO23 3SU: not on the flood risk listYO23 3SX: not on the flood risk listYO23 3SY: not on the flood risk listYO23 3SZ: not on the flood risk listYO23 3TA: not on the flood risk listYO23 3TB: not on the flood risk listYO23 3TF: not on the flood risk listYO23 3TG: not on the flood risk listYO23 3TH: not on the flood risk listYO23 3TJ: not on the flood risk listYO23 3TL: not on the flood risk listYO23 3TP: not on the flood risk listYO23 3TR: not on the flood risk listYO23 3TS: not on the flood risk listYO23 3TT: not on the flood risk listYO23 3TU: not on the flood risk listYO23 3TW: not on the flood risk listYO23 3TX: not on the flood risk listYO23 3TY: not on the flood risk listYO23 3UA: not on the flood risk listYO23 3UB: not on the flood risk listYO23 3UD: not on the flood risk listYO23 3UE: not on the flood risk listYO23 3UF: not on the flood risk listYO23 3UG: not on the flood risk listYO23 3UH: not on the flood risk listYO23 3UJ: not on the flood risk listYO23 3UL: not on the flood risk listYO23 3UN: not on the flood risk listYO23 3UP: not on the flood risk listYO23 3UQ: not on the flood risk listYO23 3UR: not on the flood risk listYO23 3US: not on the flood risk listYO23 3UT: not on the flood risk listYO23 3UU: not on the flood risk listYO23 3UW: not on the flood risk listYO23 3UX: not on the flood risk listYO23 3UY: not on the flood risk listYO23 3UZ: not on the flood risk listYO23 3WA: not on the flood risk listYO23 3WH: not on the flood risk listYO23 3XA: not on the flood risk listYO23 3XB: not on the flood risk listYO23 3XD: not on the flood risk listYO23 3XE: not on the flood risk listYO23 3XF: not on the flood risk listYO23 3XG: not on the flood risk listYO23 3XH: not on the flood risk listYO23 3XJ: not on the flood risk listYO23 3XL: not on the flood risk listYO23 3XN: not on the flood risk listYO23 3XP: not on the flood risk listYO23 3XQ: not on the flood risk listYO23 3XR: not on the flood risk listYO23 3XS: not on the flood risk listYO23 3XT: not on the flood risk listYO23 3XU: not on the flood risk listYO23 3XW: not on the flood risk listYO23 3XX: not on the flood risk listYO23 3XY: not on the flood risk listYO23 3XZ: not on the flood risk listYO23 3YA: not on the flood risk listYO23 3YB: not on the flood risk listYO23 3YD: not on the flood risk listYO23 3YE: not on the flood risk listYO23 3YG: not on the flood risk listYO23 3YH: not on the flood risk listYO23 3YJ: not on the flood risk listYO23 3YL: not on the flood risk listYO23 3YN: not on the flood risk listYO23 3YP: not on the flood risk listYO23 3YQ: not on the flood risk listYO23 3YR: not on the flood risk listYO23 3YS: not on the flood risk listYO23 3YT: not on the flood risk listYO23 3YU: not on the flood risk listYO23 3YX: not on the flood risk listYO23 3YY: not on the flood risk listYO23 3YZ: not on the flood risk listYO23 3TZ: very low flood risk onlyYO23 3QA: low flood risk at worstYO23 3RA: low flood risk at worstYO23 3TD: low flood risk at worstYO23 3TQ: low flood risk at worstYO23 3TN: medium flood risk at worstYO23 3TE: high flood risk Copmanthorpe Map of every postcode in the YO23 3 sector, by flood risk Of the 198 postcodes in the YO23 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst, 1 are at very low risk only and 191 are not on the Environment Agency's at-risk list. Places named: Copmanthorpe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Copmanthorpe
  • A home or business at high risk: 1
  • At medium risk at worst: 1
  • At low risk at worst: 4
  • At very low risk only: 1
  • Not on the at-risk list: 191

Of the 198 postcodes in the YO23 3 sector that ONS places, 1 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst, 1 are at very low risk only and 191 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.

YO23 3TE8 at high risk

What do homes sell for in YO23 3?

Homes in YO23 3 sold for a typical £420,000 in the 12 months to August 2026, across 70 sales, up 4.7% on the 12 months before, HM Land Registry's figures show.

£420,000 typical price, the 12 months to August 2026
£401,225 12 months to August 2025
▲ up 4.7% on the 12 months before
  • Detached £470,000 49 sales
  • Semi-detached £319,163 8 sales
  • Terraced £273,750 10 sales
  • Flat or maisonette 3 sales, too few to price

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 YO23 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 YO23 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.

YO23 3AAYO23 3ABYO23 3ADYO23 3AEYO23 3AFYO23 3AGYO23 3AHYO23 3AJYO23 3ALYO23 3ANYO23 3APYO23 3AQYO23 3FPYO23 3FRYO23 3FSYO23 3FTYO23 3FWYO23 3FXYO23 3FYYO23 3FZYO23 3GBYO23 3GEYO23 3GFYO23 3GGYO23 3LAYO23 3LBYO23 3LDYO23 3LTYO23 3NAYO23 3NEYO23 3NJYO23 3NNYO23 3NTYO23 3NUYO23 3NWYO23 3NXYO23 3NYYO23 3NZYO23 3PAYO23 3PDYO23 3PEYO23 3PFYO23 3PGYO23 3PHYO23 3PJYO23 3PLYO23 3PNYO23 3PPYO23 3PQYO23 3PRYO23 3PSYO23 3PTYO23 3PUYO23 3PWYO23 3PXYO23 3PYYO23 3PZYO23 3QAYO23 3QBYO23 3QDYO23 3QEYO23 3QFYO23 3QGYO23 3QHYO23 3QJYO23 3QLYO23 3QNYO23 3QPYO23 3QQYO23 3QRYO23 3QSYO23 3QTYO23 3QUYO23 3QWYO23 3QXYO23 3QYYO23 3QZYO23 3RAYO23 3RBYO23 3RDYO23 3REYO23 3RFYO23 3RGYO23 3RHYO23 3RJYO23 3RLYO23 3RNYO23 3RPYO23 3RQYO23 3RRYO23 3RSYO23 3RTYO23 3RUYO23 3RWYO23 3RXYO23 3RYYO23 3RZYO23 3SAYO23 3SBYO23 3SDYO23 3SEYO23 3SFYO23 3SGYO23 3SHYO23 3SJYO23 3SLYO23 3SNYO23 3SPYO23 3SQYO23 3SRYO23 3SSYO23 3STYO23 3SUYO23 3SWYO23 3SXYO23 3SYYO23 3SZYO23 3TAYO23 3TBYO23 3TDYO23 3TEYO23 3TFYO23 3TGYO23 3THYO23 3TJYO23 3TLYO23 3TNYO23 3TPYO23 3TQYO23 3TRYO23 3TSYO23 3TTYO23 3TUYO23 3TWYO23 3TXYO23 3TYYO23 3TZYO23 3UAYO23 3UBYO23 3UDYO23 3UEYO23 3UFYO23 3UGYO23 3UHYO23 3UJYO23 3ULYO23 3UNYO23 3UPYO23 3UQYO23 3URYO23 3USYO23 3UTYO23 3UUYO23 3UWYO23 3UXYO23 3UYYO23 3UZYO23 3WAYO23 3WHYO23 3XAYO23 3XBYO23 3XDYO23 3XEYO23 3XFYO23 3XGYO23 3XHYO23 3XJYO23 3XLYO23 3XNYO23 3XPYO23 3XQYO23 3XRYO23 3XSYO23 3XTYO23 3XUYO23 3XWYO23 3XXYO23 3XYYO23 3XZYO23 3YAYO23 3YBYO23 3YDYO23 3YEYO23 3YFYO23 3YGYO23 3YHYO23 3YJYO23 3YLYO23 3YNYO23 3YPYO23 3YQYO23 3YRYO23 3YSYO23 3YTYO23 3YUYO23 3YXYO23 3YYYO23 3YZ

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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