SE1P postcode district: Southwark and around

SE1P is a postcode district in England, with 929 postcodes in use in 3 sectors. It has postcodes in Southwark. Its council is Southwark.

Postcodes in use: 929
Sectors: 3
Council: Southwark
Places: Southwark

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in SE1P, and which are new since 2020

New since 2020: 147
In use before 2020: 782
Outline: where 5 or more new postcodes since 2020 lie together

Of the 929 postcodes in SE1P that ONS places, 147 are new since 2020 and 782 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 600 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

The middle of its postcodes: latitude 51.4928, longitude -0.0801. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The 5 newest postcodes

SE1P 5FZJune 2026 SE1P 6YLMay 2026 SE1P 6YBApril 2026 SE1P 6YDApril 2026 SE1P 6YEApril 2026

Where the new postcodes lie together

147 new postcodes since 2020, outlined on the map. SE1P 5FZ, is the newest of them.

Is SE1P at risk of flooding?

1 of the 929 postcodes in SE1P has a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts none of the homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 1 of 929 postcodes Very low: 1

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it