MK9 1 postcode sector in the MK9 district

MK9 1 is a sector of the MK9 district: every postcode that starts MK9 1. It has 60 postcodes in use, 13 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 MK9 1 sector, by flood risk

Map of every postcode in the MK9 1 sector, by flood risk Of the 60 postcodes in the MK9 1 sector that ONS places, 60 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Milton Keynes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5A421 MK9 1AA: not on the flood risk listMK9 1AD: not on the flood risk listMK9 1AE: not on the flood risk listMK9 1AH: not on the flood risk listMK9 1AL: not on the flood risk listMK9 1AQ: not on the flood risk listMK9 1AU: not on the flood risk listMK9 1AW: not on the flood risk listMK9 1AY: not on the flood risk listMK9 1BB: not on the flood risk listMK9 1BP: not on the flood risk listMK9 1BZ: not on the flood risk listMK9 1DG: not on the flood risk listMK9 1DL: not on the flood risk listMK9 1DP: not on the flood risk listMK9 1DS: not on the flood risk listMK9 1DY: not on the flood risk listMK9 1DZ: not on the flood risk listMK9 1EA: not on the flood risk listMK9 1EB: not on the flood risk listMK9 1EH: not on the flood risk listMK9 1EJ: not on the flood risk listMK9 1EN: not on the flood risk listMK9 1ES: not on the flood risk listMK9 1FB: not on the flood risk listMK9 1FF: not on the flood risk listMK9 1FH: not on the flood risk listMK9 1FJ: not on the flood risk listMK9 1FL: not on the flood risk listMK9 1FP: not on the flood risk listMK9 1FR: not on the flood risk listMK9 1FX: not on the flood risk listMK9 1GB: not on the flood risk listMK9 1GD: not on the flood risk listMK9 1GE: not on the flood risk listMK9 1HL: not on the flood risk listMK9 1JL: not on the flood risk listMK9 1LR: not on the flood risk listMK9 1LT: not on the flood risk listMK9 1LZ: not on the flood risk listMK9 1NA: not on the flood risk listMK9 1NJ: not on the flood risk listMK9 1NR: not on the flood risk listMK9 1PG: not on the flood risk list Milton Keynes Map of every postcode in the MK9 1 sector, by flood risk Of the 60 postcodes in the MK9 1 sector that ONS places, 60 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Milton Keynes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5A421 Milton Keynes
  • 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: 60

Of the 60 postcodes in the MK9 1 sector that ONS places, 60 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

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.

MK9 1NR

What do homes sell for in MK9 1?

Homes in MK9 1 sold for a typical £238,750 in the 12 months to August 2026, across 6 sales, down 20.5% on the 12 months before, HM Land Registry's figures show.

£238,750 typical price, the 12 months to August 2026
£300,250 12 months to August 2025
▼ down 20.5% on the 12 months before
  • Flat or maisonette £238,750 6 sales

Standard sales of homes at market value at the postcodes that start MK9 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 MK9 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.

MK9 1AAMK9 1ADMK9 1AEMK9 1AHMK9 1ALMK9 1ANMK9 1AQMK9 1ASMK9 1ATMK9 1AUMK9 1AWMK9 1AYMK9 1AZMK9 1BBMK9 1BPMK9 1BZMK9 1DGMK9 1DLMK9 1DPMK9 1DRMK9 1DSMK9 1DYMK9 1DZMK9 1EAMK9 1EBMK9 1EHMK9 1EJMK9 1ENMK9 1ESMK9 1ETMK9 1FBMK9 1FEMK9 1FFMK9 1FHMK9 1FJMK9 1FLMK9 1FPMK9 1FQMK9 1FRMK9 1FTMK9 1FUMK9 1FWMK9 1FXMK9 1FYMK9 1FZMK9 1GAMK9 1GBMK9 1GDMK9 1GEMK9 1HLMK9 1JLMK9 1LAMK9 1LRMK9 1LTMK9 1LZMK9 1NAMK9 1NJMK9 1NRMK9 1PGMK9 1UP

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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