MK2 3 postcode sector in the MK2 district

MK2 3 is a sector of the MK2 district: every postcode that starts MK2 3. It has 171 postcodes in use, 6 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 MK2 3 sector, by flood risk

Map of every postcode in the MK2 3 sector, by flood risk Of the 171 postcodes in the MK2 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 168 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Bletchley South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4146 MK2 3AA: not on the flood risk listMK2 3AB: not on the flood risk listMK2 3AD: not on the flood risk listMK2 3AE: not on the flood risk listMK2 3AF: not on the flood risk listMK2 3AG: not on the flood risk listMK2 3AH: not on the flood risk listMK2 3AJ: not on the flood risk listMK2 3AL: not on the flood risk listMK2 3AN: not on the flood risk listMK2 3AQ: not on the flood risk listMK2 3AS: not on the flood risk listMK2 3AT: not on the flood risk listMK2 3AU: not on the flood risk listMK2 3BA: not on the flood risk listMK2 3BB: not on the flood risk listMK2 3BF: not on the flood risk listMK2 3BH: not on the flood risk listMK2 3BJ: not on the flood risk listMK2 3BL: not on the flood risk listMK2 3BQ: not on the flood risk listMK2 3BS: not on the flood risk listMK2 3BT: not on the flood risk listMK2 3BU: not on the flood risk listMK2 3BW: not on the flood risk listMK2 3BX: not on the flood risk listMK2 3BY: not on the flood risk listMK2 3BZ: not on the flood risk listMK2 3DA: not on the flood risk listMK2 3DB: not on the flood risk listMK2 3DD: not on the flood risk listMK2 3DE: not on the flood risk listMK2 3DG: not on the flood risk listMK2 3DH: not on the flood risk listMK2 3DJ: not on the flood risk listMK2 3DL: not on the flood risk listMK2 3DN: not on the flood risk listMK2 3DP: not on the flood risk listMK2 3DQ: not on the flood risk listMK2 3DR: not on the flood risk listMK2 3DS: not on the flood risk listMK2 3DT: not on the flood risk listMK2 3DU: not on the flood risk listMK2 3DW: not on the flood risk listMK2 3DX: not on the flood risk listMK2 3DY: not on the flood risk listMK2 3DZ: not on the flood risk listMK2 3EA: not on the flood risk listMK2 3EB: not on the flood risk listMK2 3EF: not on the flood risk listMK2 3EH: not on the flood risk listMK2 3EJ: not on the flood risk listMK2 3EL: not on the flood risk listMK2 3EN: not on the flood risk listMK2 3EP: not on the flood risk listMK2 3ER: not on the flood risk listMK2 3ES: not on the flood risk listMK2 3ET: not on the flood risk listMK2 3EU: not on the flood risk listMK2 3EW: not on the flood risk listMK2 3EX: not on the flood risk listMK2 3EY: not on the flood risk listMK2 3EZ: not on the flood risk listMK2 3FA: not on the flood risk listMK2 3FB: not on the flood risk listMK2 3FD: not on the flood risk listMK2 3FE: not on the flood risk listMK2 3FF: not on the flood risk listMK2 3FG: not on the flood risk listMK2 3FH: not on the flood risk listMK2 3FJ: not on the flood risk listMK2 3FN: not on the flood risk listMK2 3FP: not on the flood risk listMK2 3FQ: not on the flood risk listMK2 3FR: not on the flood risk listMK2 3FS: not on the flood risk listMK2 3FT: not on the flood risk listMK2 3FU: not on the flood risk listMK2 3FW: not on the flood risk listMK2 3HA: not on the flood risk listMK2 3HB: not on the flood risk listMK2 3HD: not on the flood risk listMK2 3HE: not on the flood risk listMK2 3HF: not on the flood risk listMK2 3HG: not on the flood risk listMK2 3HH: not on the flood risk listMK2 3HJ: not on the flood risk listMK2 3HN: not on the flood risk listMK2 3HQ: not on the flood risk listMK2 3HU: not on the flood risk listMK2 3HW: not on the flood risk listMK2 3JD: not on the flood risk listMK2 3JE: not on the flood risk listMK2 3JF: not on the flood risk listMK2 3JG: not on the flood risk listMK2 3JJ: not on the flood risk listMK2 3JL: not on the flood risk listMK2 3JP: not on the flood risk listMK2 3JR: not on the flood risk listMK2 3JU: not on the flood risk listMK2 3JW: not on the flood risk listMK2 3JX: not on the flood risk listMK2 3JY: not on the flood risk listMK2 3JZ: not on the flood risk listMK2 3LA: not on the flood risk listMK2 3LB: not on the flood risk listMK2 3LE: not on the flood risk listMK2 3LG: not on the flood risk listMK2 3LH: not on the flood risk listMK2 3LP: not on the flood risk listMK2 3LQ: not on the flood risk listMK2 3LR: not on the flood risk listMK2 3LS: not on the flood risk listMK2 3LT: not on the flood risk listMK2 3LU: not on the flood risk listMK2 3LX: not on the flood risk listMK2 3LY: not on the flood risk listMK2 3LZ: not on the flood risk listMK2 3NA: not on the flood risk listMK2 3NB: not on the flood risk listMK2 3ND: not on the flood risk listMK2 3NE: not on the flood risk listMK2 3NF: not on the flood risk listMK2 3NG: not on the flood risk listMK2 3NN: not on the flood risk listMK2 3NP: not on the flood risk listMK2 3NR: not on the flood risk listMK2 3NS: not on the flood risk listMK2 3NT: not on the flood risk listMK2 3NU: not on the flood risk listMK2 3NW: not on the flood risk listMK2 3NX: not on the flood risk listMK2 3NY: not on the flood risk listMK2 3NZ: not on the flood risk listMK2 3PA: not on the flood risk listMK2 3PB: not on the flood risk listMK2 3PD: not on the flood risk listMK2 3PE: not on the flood risk listMK2 3PF: not on the flood risk listMK2 3PG: not on the flood risk listMK2 3PP: not on the flood risk listMK2 3PQ: not on the flood risk listMK2 3PR: not on the flood risk listMK2 3PS: not on the flood risk listMK2 3PT: not on the flood risk listMK2 3PU: not on the flood risk listMK2 3PX: not on the flood risk listMK2 3PY: not on the flood risk listMK2 3PZ: not on the flood risk listMK2 3QA: not on the flood risk listMK2 3QB: not on the flood risk listMK2 3QE: not on the flood risk listMK2 3QF: not on the flood risk listMK2 3QG: not on the flood risk listMK2 3QJ: not on the flood risk listMK2 3QL: not on the flood risk listMK2 3QN: not on the flood risk listMK2 3QP: not on the flood risk listMK2 3QR: not on the flood risk listMK2 3QS: not on the flood risk listMK2 3QT: not on the flood risk listMK2 3QU: not on the flood risk listMK2 3QW: not on the flood risk listMK2 3RP: not on the flood risk listMK2 3RR: not on the flood risk listMK2 3AP: low flood risk at worstMK2 3AR: high flood riskMK2 3AW: high flood risk Bletchley South Map of every postcode in the MK2 3 sector, by flood risk Of the 171 postcodes in the MK2 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 168 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Bletchley South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4146 Bletchley South
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 168

Of the 171 postcodes in the MK2 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 168 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. 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

MK2 3AR3 at high riskMK2 3AW2 at high risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

MK2 3YZ

What do homes sell for in MK2 3?

Homes in MK2 3 sold for a typical £280,000 in the 12 months to August 2026, across 41 sales, up 7.7% on the 12 months before, HM Land Registry's figures show.

£280,000 typical price, the 12 months to August 2026
£260,000 12 months to August 2025
▲ up 7.7% on the 12 months before
  • Detached £363,000 8 sales
  • Semi-detached £302,500 14 sales
  • Terraced £235,000 19 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 MK2 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 MK2 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.

MK2 3AAMK2 3ABMK2 3ADMK2 3AEMK2 3AFMK2 3AGMK2 3AHMK2 3AJMK2 3ALMK2 3ANMK2 3APMK2 3AQMK2 3ARMK2 3ASMK2 3ATMK2 3AUMK2 3AWMK2 3BAMK2 3BBMK2 3BFMK2 3BHMK2 3BJMK2 3BLMK2 3BNMK2 3BQMK2 3BSMK2 3BTMK2 3BUMK2 3BWMK2 3BXMK2 3BYMK2 3BZMK2 3DAMK2 3DBMK2 3DDMK2 3DEMK2 3DGMK2 3DHMK2 3DJMK2 3DLMK2 3DNMK2 3DPMK2 3DQMK2 3DRMK2 3DSMK2 3DTMK2 3DUMK2 3DWMK2 3DXMK2 3DYMK2 3DZMK2 3EAMK2 3EBMK2 3EFMK2 3EHMK2 3EJMK2 3ELMK2 3ENMK2 3EPMK2 3ERMK2 3ESMK2 3ETMK2 3EUMK2 3EWMK2 3EXMK2 3EYMK2 3EZMK2 3FAMK2 3FBMK2 3FDMK2 3FEMK2 3FFMK2 3FGMK2 3FHMK2 3FJMK2 3FNMK2 3FPMK2 3FQMK2 3FRMK2 3FSMK2 3FTMK2 3FUMK2 3FWMK2 3HAMK2 3HBMK2 3HDMK2 3HEMK2 3HFMK2 3HGMK2 3HHMK2 3HJMK2 3HNMK2 3HQMK2 3HUMK2 3HWMK2 3JDMK2 3JEMK2 3JFMK2 3JGMK2 3JJMK2 3JLMK2 3JPMK2 3JRMK2 3JUMK2 3JWMK2 3JXMK2 3JYMK2 3JZMK2 3LAMK2 3LBMK2 3LEMK2 3LGMK2 3LHMK2 3LJMK2 3LPMK2 3LQMK2 3LRMK2 3LSMK2 3LTMK2 3LUMK2 3LXMK2 3LYMK2 3LZMK2 3NAMK2 3NBMK2 3NDMK2 3NEMK2 3NFMK2 3NGMK2 3NNMK2 3NPMK2 3NRMK2 3NSMK2 3NTMK2 3NUMK2 3NWMK2 3NXMK2 3NYMK2 3NZMK2 3PAMK2 3PBMK2 3PDMK2 3PEMK2 3PFMK2 3PGMK2 3PPMK2 3PQMK2 3PRMK2 3PSMK2 3PTMK2 3PUMK2 3PXMK2 3PYMK2 3PZMK2 3QAMK2 3QBMK2 3QEMK2 3QFMK2 3QGMK2 3QJMK2 3QLMK2 3QNMK2 3QPMK2 3QRMK2 3QSMK2 3QTMK2 3QUMK2 3QWMK2 3RPMK2 3RRMK2 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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