What does an SL95 postcode tell you?

That the address lies in the SL95 district of the SL (Slough) postcode area, and the place OS Open Names most often lists first for its postcodes is Slough. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 23 live postcodes.

SL95 postcode district

SL95, in the SL (Slough) postcode area, has 23 live and 2 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	SL (Slough)
live postcodes	23
terminated postcodes	2
sectors	1
roads listed	0
centroid	51.49877, -0.53705
directory release	2026-08

Postcodes and sectors

23 of the district's 25 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 51.49877, -0.53705, which locates the district, not a building.

sector	live	terminated
SL95 1	23	2

Places OS Open Names lists for SL95

Slough
South East

Roads filed under SL95

OS Open Names files no road under SL95, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in SL95

Common questions about SL95

What does an SL95 postcode tell you?: That the address lies in the SL95 district of the SL (Slough) postcode area, and the place OS Open Names most often lists first for its postcodes is Slough. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 23 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 SL95

SL31.0 km
SL03.3 km
UB74.7 km
TW195.6 km
UB86.0 km
SL16.3 km
SL26.3 km
UB116.4 km
SL46.8 km
TW66.9 km
UB37.8 km
TW208.0 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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