MK40 1 postcode sector in the MK40 district

MK40 1 is a sector of the MK40 district: every postcode that starts MK40 1. It has 133 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 MK40 1 sector, and which are new since 2020

Map of every postcode in the MK40 1 sector, by new since 2020 Of the 133 postcodes in the MK40 1 sector that ONS places, 2 are new since 2020 and 131 were in use before 2020. Places named: Greyfriars, Castle & Newnham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4280 MK40 1AH: before 2020MK40 1AJ: before 2020MK40 1AL: before 2020MK40 1AN: before 2020MK40 1AQ: before 2020MK40 1AR: before 2020MK40 1AS: before 2020MK40 1AT: before 2020MK40 1AW: before 2020MK40 1AX: before 2020MK40 1AY: before 2020MK40 1AZ: before 2020MK40 1BH: before 2020MK40 1BL: before 2020MK40 1BN: before 2020MK40 1BP: before 2020MK40 1BS: before 2020MK40 1BY: before 2020MK40 1BZ: before 2020MK40 1DA: before 2020MK40 1DE: before 2020MK40 1DG: before 2020MK40 1DH: before 2020MK40 1DJ: before 2020MK40 1DN: before 2020MK40 1DP: before 2020MK40 1DQ: before 2020MK40 1DS: before 2020MK40 1DU: before 2020MK40 1DW: before 2020MK40 1DX: before 2020MK40 1DY: before 2020MK40 1DZ: before 2020MK40 1EA: before 2020MK40 1ED: before 2020MK40 1EF: before 2020MK40 1EG: before 2020MK40 1EJ: before 2020MK40 1EL: before 2020MK40 1EP: before 2020MK40 1EQ: before 2020MK40 1EZ: before 2020MK40 1FB: before 2020MK40 1HA: before 2020MK40 1HB: before 2020MK40 1HG: before 2020MK40 1HH: before 2020MK40 1HJ: before 2020MK40 1HP: before 2020MK40 1HS: before 2020MK40 1HT: before 2020MK40 1HU: before 2020MK40 1HZ: before 2020MK40 1JA: before 2020MK40 1JB: before 2020MK40 1JD: before 2020MK40 1JE: before 2020MK40 1JF: before 2020MK40 1JH: before 2020MK40 1JJ: before 2020MK40 1JN: before 2020MK40 1JP: before 2020MK40 1JX: before 2020MK40 1LA: before 2020MK40 1LB: before 2020MK40 1LD: before 2020MK40 1LE: before 2020MK40 1LJ: before 2020MK40 1LN: before 2020MK40 1LQ: before 2020MK40 1LR: before 2020MK40 1LT: before 2020MK40 1LX: before 2020MK40 1LY: before 2020MK40 1NE: before 2020MK40 1NH: before 2020MK40 1NJ: before 2020MK40 1NN: before 2020MK40 1NS: before 2020MK40 1NT: before 2020MK40 1NU: before 2020MK40 1PE: before 2020MK40 1PF: before 2020MK40 1PG: before 2020MK40 1PJ: before 2020MK40 1PL: before 2020MK40 1PR: before 2020MK40 1PS: before 2020MK40 1PW: before 2020MK40 1PX: before 2020MK40 1QA: before 2020MK40 1QB: before 2020MK40 1QE: before 2020MK40 1QH: before 2020MK40 1QN: before 2020MK40 1QS: before 2020MK40 1QT: before 2020MK40 1QU: before 2020MK40 1QW: before 2020MK40 1QX: before 2020MK40 1RA: before 2020MK40 1RB: before 2020MK40 1RD: before 2020MK40 1RH: before 2020MK40 1RN: before 2020MK40 1RW: before 2020MK40 1RY: before 2020MK40 1RZ: before 2020MK40 1SB: before 2020MK40 1SL: before 2020MK40 1SP: before 2020MK40 1SQ: before 2020MK40 1SU: before 2020MK40 1SY: before 2020MK40 1TE: before 2020MK40 1TF: before 2020MK40 1TH: before 2020MK40 1TJ: before 2020MK40 1TN: before 2020MK40 1TP: before 2020MK40 1TT: before 2020MK40 1TU: before 2020MK40 1UH: before 2020MK40 1YN: before 2020MK40 1ZL: before 2020MK40 1BJ: new since 2020MK40 1YD: new since 2020 GreyfriarsCastle & Newnham Map of every postcode in the MK40 1 sector, by new since 2020 Of the 133 postcodes in the MK40 1 sector that ONS places, 2 are new since 2020 and 131 were in use before 2020. Places named: Greyfriars, Castle & Newnham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. GreyfriarsCastle & Newnham
  • New since 2020: 2
  • In use before 2020: 131

Of the 133 postcodes in the MK40 1 sector that ONS places, 2 are new since 2020 and 131 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. 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; 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 2 newest postcodes

MK40 1BJAugust 2025MK40 1YDNovember 2022

What do homes sell for in MK40 1?

Homes in MK40 1 sold for a typical £185,000 in the 12 months to August 2026, across 22 sales, up 12.1% on the 12 months before, HM Land Registry's figures show.

£185,000 typical price, the 12 months to August 2026
£165,000 12 months to August 2025
▲ up 12.1% on the 12 months before
  • Detached 1 sale, too few to price
  • Terraced 3 sales, too few to price
  • Flat or maisonette £168,000 18 sales

Standard sales of homes at market value at the postcodes that start MK40 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 MK40 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.

MK40 1AAMK40 1AHMK40 1AJMK40 1ALMK40 1ANMK40 1AQMK40 1ARMK40 1ASMK40 1ATMK40 1AWMK40 1AXMK40 1AYMK40 1AZMK40 1BHMK40 1BJMK40 1BLMK40 1BNMK40 1BPMK40 1BSMK40 1BYMK40 1BZMK40 1DAMK40 1DEMK40 1DGMK40 1DHMK40 1DJMK40 1DNMK40 1DPMK40 1DQMK40 1DSMK40 1DUMK40 1DWMK40 1DXMK40 1DYMK40 1DZMK40 1EAMK40 1EDMK40 1EFMK40 1EGMK40 1EJMK40 1ELMK40 1EPMK40 1EQMK40 1EZMK40 1FBMK40 1FDMK40 1HAMK40 1HBMK40 1HGMK40 1HHMK40 1HJMK40 1HPMK40 1HSMK40 1HTMK40 1HUMK40 1HZMK40 1JAMK40 1JBMK40 1JDMK40 1JEMK40 1JFMK40 1JHMK40 1JJMK40 1JLMK40 1JNMK40 1JPMK40 1JRMK40 1JWMK40 1JXMK40 1LAMK40 1LBMK40 1LDMK40 1LEMK40 1LJMK40 1LNMK40 1LQMK40 1LRMK40 1LTMK40 1LXMK40 1LYMK40 1NEMK40 1NHMK40 1NJMK40 1NNMK40 1NSMK40 1NTMK40 1NUMK40 1PEMK40 1PFMK40 1PGMK40 1PJMK40 1PLMK40 1PRMK40 1PSMK40 1PWMK40 1PXMK40 1QAMK40 1QBMK40 1QEMK40 1QHMK40 1QNMK40 1QSMK40 1QTMK40 1QUMK40 1QWMK40 1QXMK40 1RAMK40 1RBMK40 1RDMK40 1RHMK40 1RNMK40 1RWMK40 1RYMK40 1RZMK40 1SBMK40 1SLMK40 1SPMK40 1SQMK40 1SUMK40 1SYMK40 1TEMK40 1TFMK40 1THMK40 1TJMK40 1TNMK40 1TPMK40 1TQMK40 1TTMK40 1TUMK40 1UHMK40 1YDMK40 1YNMK40 1ZL

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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