SL6 postcode district

Postcodes and sectors

2,316 of the district's 3,468 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 51.52397, -0.72898, which locates the district, not a building.

Companies registered in SL6

Companies House lists 8,438 companies with a registered office in SL6; 1,002 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 SL6

• South East
• Windsor and Maidenhead
• Maidenhead
• Cookham
• Buckinghamshire
• Slough
• Bray
• White Waltham
• Taplow
• Holyport
• Fifield
• Hurley
• Dorney Reach
• Littlewick Green
• Moneyrow Green
• Woolley Green
• Burchett's Green
• Stud Green
• Touchen-end
• Paley Street
• Holloway
• Braywoodside
• Frogmill
• Hitchambury

Roads filed under SL6

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.

• Abbey Gate
• Abell Gardens
• Abercrombie Road
• Abingdon Walk
• Addison Court
• Albert Street
• Aldebury Road
• Aldwick Drive
• Alexandra Road
• Allenby Road
• Alleyns Lane
• All Saints Avenue
• Alpine Close
• Alston Gardens
• Altmore
• Altwood Bailey
• Altwood Close
• Altwood Drive
• Altwood Road
• Alvista Avenue
• Alwyn Road
• Amberley Court
• Amerden Close
• Amerden Lane
• Anne Close
• Applecroft
• Approach Road
• Archer Close
• Arkley Court
• Arlington Close
• Armitage Place
• Arthur Close
• Arundel Close
• Ascot Road
• Ashbourne Grove
• Ashcroft Road
• Ashdown
• Ashley Park
• Ashton Place
• Aspen Place
• Astor Close
• Athlone Close
• Atkinsons Alley
• Auckland Close
• Audley Drive
• Auriol Way
• Austinsgate
• Australia Avenue
• Autumn Walk
• Avenue Road
• Averil Court
• Avondale
• Aysgarth Park
• Badger Close
• Bad Godesberg Way
• Badminton Road
• Bailey Close
• Bakers Lane
• Bakers Row
• Baldwins Place

Check an address in SL6

Check an address in SL6

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SL6" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about SL6

What does an SL6 postcode tell you?

That the address lies in the SL6 district of the SL (Slough) postcode area, and the place OS Open Names most often lists first for its postcodes is Maidenhead. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 2,316 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 SL6

• SL601.2 km
• SL86.3 km
• SL76.7 km
• SL17.4 km
• SL28.6 km
• SL48.9 km
• HP109.6 km
• RG109.8 km
• RG4210.8 km
• HP1111.1 km
• HP911.4 km
• HP1211.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids