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, and which are new since 2020

Map of every postcode in the MK9 1 sector, by new since 2020 Of the 60 postcodes in the MK9 1 sector that ONS places, 15 are new since 2020 and 45 were in use before 2020. 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: before 2020MK9 1AD: before 2020MK9 1AE: before 2020MK9 1AH: before 2020MK9 1AL: before 2020MK9 1AQ: before 2020MK9 1AU: before 2020MK9 1AW: before 2020MK9 1AY: before 2020MK9 1BB: before 2020MK9 1BP: before 2020MK9 1BZ: before 2020MK9 1DG: before 2020MK9 1DL: before 2020MK9 1DP: before 2020MK9 1DS: before 2020MK9 1DY: before 2020MK9 1DZ: before 2020MK9 1EA: before 2020MK9 1EB: before 2020MK9 1EH: before 2020MK9 1EJ: before 2020MK9 1EN: before 2020MK9 1ES: before 2020MK9 1FB: before 2020MK9 1FF: before 2020MK9 1FH: before 2020MK9 1FJ: before 2020MK9 1GB: before 2020MK9 1HL: before 2020MK9 1JL: before 2020MK9 1LR: before 2020MK9 1LT: before 2020MK9 1LZ: before 2020MK9 1NA: before 2020MK9 1NJ: before 2020MK9 1PG: before 2020MK9 1FL: new since 2020MK9 1FP: new since 2020MK9 1FR: new since 2020MK9 1FX: new since 2020MK9 1GD: new since 2020MK9 1GE: new since 2020MK9 1NR: new since 2020 Milton Keynes Map of every postcode in the MK9 1 sector, by new since 2020 Of the 60 postcodes in the MK9 1 sector that ONS places, 15 are new since 2020 and 45 were in use before 2020. 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
  • New since 2020: 15
  • In use before 2020: 45

Of the 60 postcodes in the MK9 1 sector that ONS places, 15 are new since 2020 and 45 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.

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

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.

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

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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