MK11 3 postcode sector in the MK11 district

MK11 3 is a sector of the MK11 district: every postcode that starts MK11 3. It has 25 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 MK11 3 sector, by flood risk

Map of every postcode in the MK11 3 sector, by flood risk Of the 25 postcodes in the MK11 3 sector that ONS places, 25 are not on the Environment Agency's at-risk list. Places named: Bradwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. MK11 3AA: not on the flood risk listMK11 3DP: not on the flood risk listMK11 3DR: not on the flood risk listMK11 3EA: not on the flood risk listMK11 3ER: not on the flood risk listMK11 3ES: not on the flood risk listMK11 3ET: not on the flood risk listMK11 3EU: not on the flood risk listMK11 3EW: not on the flood risk listMK11 3HA: not on the flood risk listMK11 3HB: not on the flood risk listMK11 3HD: not on the flood risk listMK11 3HE: not on the flood risk listMK11 3HF: not on the flood risk listMK11 3HG: not on the flood risk listMK11 3HL: not on the flood risk listMK11 3HQ: not on the flood risk listMK11 3HR: not on the flood risk listMK11 3JB: not on the flood risk listMK11 3LH: not on the flood risk listMK11 3LJ: not on the flood risk listMK11 3LL: not on the flood risk listMK11 3LT: not on the flood risk listMK11 3LW: not on the flood risk list Bradwell Map of every postcode in the MK11 3 sector, by flood risk Of the 25 postcodes in the MK11 3 sector that ONS places, 25 are not on the Environment Agency's at-risk list. Places named: Bradwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Bradwell
  • 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: 25

Of the 25 postcodes in the MK11 3 sector that ONS places, 25 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

Postcodes in MK11 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.

MK11 3AAMK11 3DPMK11 3DRMK11 3EAMK11 3ERMK11 3ESMK11 3ETMK11 3EUMK11 3EWMK11 3HAMK11 3HBMK11 3HDMK11 3HEMK11 3HFMK11 3HGMK11 3HLMK11 3HQMK11 3HRMK11 3JBMK11 3LFMK11 3LHMK11 3LJMK11 3LLMK11 3LTMK11 3LW

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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