MK1 1 postcode sector in the MK1 district

MK1 1 is a sector of the MK1 district: every postcode that starts MK1 1. It has 79 postcodes in use, 17 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 MK1 1 sector, by flood risk

Map of every postcode in the MK1 1 sector, by flood risk Of the 79 postcodes in the MK1 1 sector that ONS places, 79 are not on the Environment Agency's at-risk list. Places named: Bletchley Park & Fenny Stratford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5 MK1 1AS: not on the flood risk listMK1 1AX: not on the flood risk listMK1 1BA: not on the flood risk listMK1 1BE: not on the flood risk listMK1 1BG: not on the flood risk listMK1 1BH: not on the flood risk listMK1 1BJ: not on the flood risk listMK1 1BL: not on the flood risk listMK1 1BN: not on the flood risk listMK1 1BP: not on the flood risk listMK1 1BQ: not on the flood risk listMK1 1BU: not on the flood risk listMK1 1BW: not on the flood risk listMK1 1BX: not on the flood risk listMK1 1BY: not on the flood risk listMK1 1BZ: not on the flood risk listMK1 1DD: not on the flood risk listMK1 1DF: not on the flood risk listMK1 1DG: not on the flood risk listMK1 1DH: not on the flood risk listMK1 1DL: not on the flood risk listMK1 1DN: not on the flood risk listMK1 1DQ: not on the flood risk listMK1 1DR: not on the flood risk listMK1 1DS: not on the flood risk listMK1 1DX: not on the flood risk listMK1 1DY: not on the flood risk listMK1 1ED: not on the flood risk listMK1 1EQ: not on the flood risk listMK1 1ET: not on the flood risk listMK1 1EW: not on the flood risk listMK1 1EX: not on the flood risk listMK1 1EY: not on the flood risk listMK1 1FA: not on the flood risk listMK1 1FB: not on the flood risk listMK1 1FD: not on the flood risk listMK1 1FE: not on the flood risk listMK1 1HP: not on the flood risk listMK1 1HS: not on the flood risk listMK1 1HW: not on the flood risk listMK1 1HX: not on the flood risk listMK1 1JA: not on the flood risk listMK1 1JD: not on the flood risk listMK1 1JG: not on the flood risk listMK1 1JN: not on the flood risk listMK1 1JP: not on the flood risk listMK1 1JQ: not on the flood risk listMK1 1JW: not on the flood risk listMK1 1LG: not on the flood risk listMK1 1LH: not on the flood risk listMK1 1LJ: not on the flood risk listMK1 1LS: not on the flood risk listMK1 1LZ: not on the flood risk listMK1 1NE: not on the flood risk listMK1 1NG: not on the flood risk listMK1 1NL: not on the flood risk listMK1 1NN: not on the flood risk listMK1 1NW: not on the flood risk listMK1 1NY: not on the flood risk listMK1 1PA: not on the flood risk listMK1 1PT: not on the flood risk listMK1 1QB: not on the flood risk listMK1 1QT: not on the flood risk listMK1 1QU: not on the flood risk listMK1 1QY: not on the flood risk listMK1 1QZ: not on the flood risk listMK1 1RB: not on the flood risk listMK1 1RD: not on the flood risk listMK1 1RE: not on the flood risk listMK1 1RH: not on the flood risk listMK1 1SF: not on the flood risk listMK1 1ST: not on the flood risk listMK1 1SU: not on the flood risk listMK1 1SW: not on the flood risk listMK1 1UA: not on the flood risk listMK1 1XT: not on the flood risk list Bletchley Park & Fenny Stratford Map of every postcode in the MK1 1 sector, by flood risk Of the 79 postcodes in the MK1 1 sector that ONS places, 79 are not on the Environment Agency's at-risk list. Places named: Bletchley Park & Fenny Stratford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Bletchley Park & Fenny Stratford
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 79

Of the 79 postcodes in the MK1 1 sector that ONS places, 79 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

What do homes sell for in MK1 1?

HM Land Registry records 4 sales of homes in MK1 1 in the 12 months to August 2026: too few to give a typical price.

  • Detached 2 sales, too few to price
  • Semi-detached 1 sale, too few to price
  • Terraced 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start MK1 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 MK1 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.

MK1 1ASMK1 1AXMK1 1BAMK1 1BEMK1 1BGMK1 1BHMK1 1BJMK1 1BLMK1 1BNMK1 1BPMK1 1BQMK1 1BUMK1 1BWMK1 1BXMK1 1BYMK1 1BZMK1 1DDMK1 1DFMK1 1DGMK1 1DHMK1 1DLMK1 1DNMK1 1DQMK1 1DRMK1 1DSMK1 1DXMK1 1DYMK1 1EDMK1 1EQMK1 1ETMK1 1EWMK1 1EXMK1 1EYMK1 1FAMK1 1FBMK1 1FDMK1 1FEMK1 1HPMK1 1HSMK1 1HWMK1 1HXMK1 1JAMK1 1JDMK1 1JGMK1 1JNMK1 1JPMK1 1JQMK1 1JWMK1 1LGMK1 1LHMK1 1LJMK1 1LSMK1 1LZMK1 1NEMK1 1NFMK1 1NGMK1 1NLMK1 1NNMK1 1NQMK1 1NWMK1 1NYMK1 1PAMK1 1PTMK1 1QBMK1 1QTMK1 1QUMK1 1QYMK1 1QZMK1 1RBMK1 1RDMK1 1REMK1 1RHMK1 1SFMK1 1STMK1 1SUMK1 1SWMK1 1UAMK1 1WUMK1 1XT

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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