BN1 postcode district: Brighton and Hove and around

BN1 is a postcode district in England, with 1,578 postcodes in use in 9 sectors. It has postcodes in Brighton and Hove. It is split between 3 councils: Brighton and Hove (1,558 postcodes), Lewes (19) and Mid Sussex (1). 20 of its 1,578 postcodes are in East Sussex and West Sussex. ONS lists no county for the other 1,558.

Postcodes in use: 1,578
Sectors: 9
Councils: 3 councils
Places: Brighton and Hove

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

Every postcode in BN1, and which are new since 2020

New since 2020: 33
In use before 2020: 1,545
Outline: where 5 or more new postcodes since 2020 lie together

Of the 1,578 postcodes in BN1 that ONS places, 33 are new since 2020 and 1,545 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 150 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.

The middle of its postcodes: latitude 50.8427, longitude -0.1394. 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

BN1 9DNMarch 2026 BN1 8BBFebruary 2026 BN1 8BDJanuary 2026 BN1 6AWNovember 2024 BN1 9DLJune 2024

5 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

BN1 8AX BN1 8YJ BN1 8YL BN1 8ZB BN1 9QD

Where the new postcodes lie together

6 new postcodes since 2020, outlined on the map. BN1 9DD, is the newest of them.

What broadband can you get in BN1?

Ofcom reports on 1,535 of the 1,578 postcodes in BN1. At 1,009 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit1,009 of 1,535

Postcodes where every home can get superfast1,374 of 1,535

Postcodes where some cannot get decent broadband1 of 1,535

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is BN1 at risk of flooding?

None of the 1,578 postcodes in BN1 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

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

What do homes sell for in BN1?

Homes in BN1 sold for a typical £432,000 in the 12 months to August 2026, across 866 sales, up 2.5% on the 12 months before, HM Land Registry's figures show.

£432,000 typical price, the 12 months to August 2026

£421,411 12 months to August 2025

▲ up 2.5% on the 12 months before

Detached £777,000 85 sales
Semi-detached £500,000 165 sales
Terraced £575,000 247 sales
Flat or maisonette £295,000 369 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it