MK18 postcode district

Postcodes and sectors

1,266 of the district's 1,680 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 51.97786, -0.96902, which locates the district, not a building.

Companies registered in MK18

Companies House lists 2,893 companies with a registered office in MK18; 530 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 MK18

• South East
• Buckinghamshire
• Buckingham
• Winslow
• Steeple Claydon
• Tingewick
• Maids Moreton
• Padbury
• Thornborough
• Cherwell
• Oxfordshire
• Akeley
• Twyford
• Gawcott
• North Marston
• Calvert
• East Claydon
• Preston Bissett
• Adstock
• Granborough
• Finmere
• Chackmore
• Dadford
• Botolph Claydon

Roads filed under MK18

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.

• Ackerman Close
• Adams Close
• Addington Road
• Addison Road
• Akister Close
• Alfred Way
• Amblers Way
• Angels Close
• Aris Way
• Ashgrove
• Aspen Crescent
• Athelstan Street
• Avenue Road
• Back Lane
• Back Street
• Badgers Way
• Ball Moor
• Balmer Bridge
• Balmer Cut
• Balwen
• Banbury Road
• Bartlett Place
• Barton Road
• Bass Close
• Bates Close
• Bath Lane
• Beamish Way
• Beaver Close
• Becketts Lane
• Beech Close
• Beech Leys
• Bell Walk
• Bennett's Hill
• Bennetts Close
• Bernardines Way
• Bevan Court
• Bicester Road
• Birch Lane
• Blencowe Crescent
• Bluebell Close
• Bobbins Way
• Bodenham Close
• Bone Hill
• Boot Close
• Border Lane
• Boreray
• Boswell Court
• Botolph Mews
• Botyl Road
• Boundary Road
• Bourton Road
• Bourtonville
• Bowlers Lane
• Brackley Lane
• Brackley Road
• Bradfield Avenue
• Braid End
• Briary Court
• Brickhill Way
• Brickyard Drive

Check an address in MK18

Check an address in MK18

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=MK18" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about MK18

What does an MK18 postcode tell you?

That the address lies in the MK18 district of the MK (Milton Keynes) postcode area, and the place OS Open Names most often lists first for its postcodes is Buckingham. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,266 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 MK18

• MK1112.0 km
• MK812.6 km
• MK412.8 km
• OX2713.3 km
• MK1913.4 km
• MK513.5 km
• MK1213.7 km
• NN1313.8 km
• MK314.9 km
• MK1315.3 km
• OX2615.4 km
• MK916.2 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids