MK1 postcode district
MK1, in the MK (Milton Keynes) postcode area, has 105 live and 383 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 34 roads under it.
| postcode area | MK (Milton Keynes) |
|---|---|
| live postcodes | 105 |
| terminated postcodes | 383 |
| sectors | 2 |
| roads listed | 34 |
| companies registered | 1,031 |
| centroid | 52.00546, -0.72448 |
| directory release | 2026-08 |
Postcodes and sectors
105 of the district's 488 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 52.00546, -0.72448, which locates the district, not a building.
| sector | live | terminated |
|---|---|---|
| MK1 1 | 79 | 223 |
| MK1 9 | 26 | 160 |
Companies registered in MK1
Companies House lists 1,031 companies with a registered office in MK1; 435 of them at addresses shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.
Places OS Open Names lists for MK1
- Bletchley
- Milton Keynes
- South East
Roads filed under MK1
Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.
- Arnold Place
- Auckland Park
- Bilton Road
- Bletcham Way
- Bond Avenue
- Bramley Road
- Clarke Road
- Dane Road
- Dawson Road
- Denbigh Road
- First Avenue
- Goslington
- Goulds Close
- Grafton Street
- Grove Ash
- Holdom Avenue
- Horwood Court
- James Way
- Lock View Lane
- Lyon Road
- Marlborough Street
- Mount Avenue
- Peverel Drive
- Rhondda Close
- Romar Court
- Saxon Street
- Second Avenue
- Simpson
- Sinclair Court
- Staple Hall Road
- The Laurels
- Third Avenue
- Victory Court
- Ward Road
Check an address in MK1
The same road list through the API, from the outward code alone:
curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=MK1" \ -H "Authorization: Bearer $SPAW_KEY"
Common questions about MK1
- What does an MK1 postcode tell you?
- That the address lies in the MK1 district of the MK (Milton Keynes) postcode area, and the place OS Open Names most often lists first for its postcodes is Bletchley. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 105 live postcodes.
Where the counts come from
- ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
- os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
- uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0
What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.
Data synced on 2026-11-01: the newest version among the datasets listed above.
Districts nearest MK1
- MK21.7 km
- MK172.0 km
- MK32.3 km
- MK72.7 km
- MK63.0 km
- MK44.2 km
- MK104.4 km
- MK94.5 km
- MK54.5 km
- MK155.8 km
- MK86.5 km
- MK136.6 km
- Every district
- How a British address is written
- Check any address
distance between the districts' centroids
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