MK12 postcode district
MK12, in the MK (Milton Keynes) postcode area, has 298 live and 186 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 152 roads under it.
| postcode area | MK (Milton Keynes) |
|---|---|
| live postcodes | 298 |
| terminated postcodes | 186 |
| sectors | 2 |
| roads listed | 152 |
| companies registered | 2,045 |
| centroid | 52.05838, -0.81686 |
| directory release | 2026-08 |
Postcodes and sectors
298 of the district's 484 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 52.05838, -0.81686, which locates the district, not a building.
| sector | live | terminated |
|---|---|---|
| MK12 5 | 217 | 124 |
| MK12 6 | 81 | 62 |
Companies registered in MK12
Companies House lists 2,045 companies with a registered office in MK12; 911 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 MK12
- Milton Keynes
- South East
Roads filed under MK12
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.
- Addington Avenue
- Akerman Close
- Aldermead
- Alladale Place
- Alvric Way
- Anson Road
- Ardwell Lane
- Aylesbury Street
- Aylesbury Street West
- Barkers Croft
- Barr Piece
- Bedford Street
- Beeward Close
- Bengrove
- Blackhill Drive
- Bounds Croft
- Briar Hill
- Bridge Hook Close
- Bridgeturn Avenue
- Brookside
- Broomfield
- Buckingham Street
- Buckman Close
- Buckthorn
- Burtree Close
- Buttercup Close
- Butter Row
- Calvards Croft
- Calvie Croft
- Cambridge Street
- Canons Road
- Carter Grove
- Catchpole Close
- Caxton Road
- Cedar Lodge Drive
- Christchurch Grove
- Church Street
- Colts Holm Road
- Cornflower Avenue
- Cotman Close
- Creed Street
- Culrain Place
- Dalby Close
- Dalvina Place
- Dean's Road
- Dickens Road
- Drovers Croft
- Dunvedin Place
- Earlestown Way
- East Moor Drive
- Empress Matilda Gardens
- Erica Road
- Eton Crescent
- Featherstone Road
- Field Lane
- Fitzhamon Court
- Foxglove Road
- Frank Atter Croft
- Franklins Croft
- Freeman Close
all 152 roads
- Furze Way
- Gledfield Place
- Gleeman Close
- Gloucester Road
- Glyn Square
- Golspie Croft
- Grangers Croft
- Great Monks Street
- Green Lane
- Greenleys Lane
- Hamon Way
- Harnett Drive
- Harvester Close
- Heathfield
- Herdman Close
- High Park Drive
- Hodge Lea Lane
- Hollin Lane
- Jersey Road
- Kildonan Place
- King Stephen Meadows
- Lamberts Croft
- Lingfield
- Llewellyn Chase
- Longville
- Lonsdale
- Maigno Way
- Mainfelin Close
- Manor Road
- Mapledean
- Marina Drive
- Marron Lane
- Mcconnell Drive
- Mccorquordale Road
- Meacham Meadow
- Mildmay Link
- Mill Court
- Millers Way
- Mill Square
- Moon Street
- Morgan Way
- Myrtle Bank
- Old Wolverton Road
- Orchard Grove
- Oriel Close
- Osbourne Street
- Oxford Street
- Oxman Lane
- Peel Road
- Plowman Close
- Quarterly Grove
- Radcliffe Street
- Radman Grove
- Ravigill Place
- Reeves Croft
- Ridgeway
- Rose Court
- Rossal Place
- Slated Row
- Snowberry Close
- Sokeman Close
- Southern Way
- Stacey Avenue
- St Georges Way
- St John's Crescent
- Stratford Road
- Strathnaver Place
- Syward Row
- The Archery
- The Square
- Thresher Grove
- Tillman Close
- Timothy's Close
- Townlands Crescent
- Trevelyan Way
- Trinity Road
- Turneys Drive
- Twiselton Heath
- Vickers Way
- Victoria Street
- Wainers Croft
- Walker Avenue
- Western Road
- White Alder
- Whiting Close
- Wilkinson Crescent
- Windsor Street
- Woburn Avenue
- Wodell Drive
- Wolverton Park Road
- Wolverton Road
- Woodland View
Check an address in MK12
The same road list through the API, from the outward code alone:
curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=MK12" \ -H "Authorization: Bearer $SPAW_KEY"
Common questions about MK12
- What does an MK12 postcode tell you?
- That the address lies in the MK12 district of the MK (Milton Keynes) postcode area, and the place OS Open Names most often lists first for its postcodes is Milton Keynes. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 298 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 MK12
- MK111.8 km
- MK132.4 km
- MK82.9 km
- MK193.3 km
- MK144.2 km
- MK94.6 km
- MK54.7 km
- MK155.9 km
- MK66.0 km
- MK46.5 km
- MK206.9 km
- MK167.4 km
- Every district
- How a British address is written
- Check any address
distance between the districts' centroids
More free tools
All free toolsNeed this at scale?
The Spaw API runs the same check with batch and bulk endpoints, monitored address lists, your own suppression list and outcome reporting — 100 free credits a month, no card required.