MK1 postcode district: Bletchley and around, Milton Keynes

MK1 is a postcode district in England, with 105 postcodes in use in 2 sectors. It has postcodes in Bletchley. Its council is Milton Keynes.

Postcodes in use
105
Sectors
2
Council
Milton Keynes
Places
Bletchley

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in MK1, by flood risk

Map of every postcode in MK1, by flood risk Of the 105 postcodes in MK1 that ONS places, 105 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 MK1, by flood risk Of the 105 postcodes in MK1 that ONS places, 105 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: 105

Of the 105 postcodes in MK1 that ONS places, 105 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.

The middle of its postcodes: latitude 52.0055, longitude -0.7245. Open this area on OpenStreetMap

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 broadband can you get in MK1?

Ofcom reports on 77 of the 105 postcodes in MK1. At 55 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit55 of 77
Postcodes where every home can get superfast66 of 77

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is MK1 at risk of flooding?

None of the 105 postcodes in MK1 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in MK1?

HM Land Registry records 4 sales of homes in MK1 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. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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

Pick a sector, then a postcode. A sector is the district plus the next digit.

MK1 179 postcodesMK1 926 postcodes
UK postcode format explained

Places in MK1

Towns and villages with postcodes in MK1, and how many each has here.

Bletchley postcodes,105

Who covers MK1

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Buckingham and Bletchley105

Police force areas

  • Thames Valley105

Next to MK1

MK2 postcode district All MK districts Bletchley postcodes

"Next to" is by number: the district after MK1 in the MK area.

Check a postcode

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