BN25 3NU

Seaford South · Lewes · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Seaford
Local authority
Lewes
Constituency
Lewes
Postcode district
BN25
Postcode sector
BN25 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
BN25 3NH 58 m
BN25 3NJ 58 m
BN25 3NX 65 m
BN25 4QH 76 m
BN25 3NY 87 m
Complete postcode fields and official codes
Postcode
BN25 3NU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
BN
Postcode district
BN25
Postcode sector
BN25 3
Latitude
50.775897
Longitude
0.112497
British National Grid easting
549,038
British National Grid northing
99,496

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Lewes · E07000063
Parish or community
E04003794
Westminster constituency
Lewes · E14001330
Output area
E00107066
Lower layer super output area
Lewes 013D · E01021080
Middle layer super output area
Lewes 013 · E02004391

Postcode source versions

Explore BN25

14 recorded sales at this postcode
Address Date Price
Ashley Cottage, 2, Mill Drive, Seaford, BN25 3NU 18 December 2020 £364,000
7, Mill Drive, Seaford, BN25 3NU 20 August 2020 £555,000
Ashley Cottage, 2, Mill Drive, Seaford, BN25 3NU 19 March 2020 £260,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
9
Primary
6
Secondary
1
  1. Annecy Catholic Primary School

    Academy converter

    583 m
  2. Seaford Primary School

    Community school

    625 m
  3. Seaford Head School

    Academy converter

    689 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,005
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 391
  • Anti social behaviour 200
  • Public order 87
  • Shoplifting 79
  • Criminal damage and arson 77

Census 2021

Population and age profile

Postcode residents
20

11 female, 9 male

Postcode households
9
Residents per household
2.2
BN25 3 residents
8,853

Age bands in BN25 3

Wider postcode sector
Age 0 to 14
16%

1,445 residents

Age 15 to 24
9%

815 residents

Age 25 to 44
19.9%

1,797 residents

Age 45 to 64
25.6%

2,308 residents

Age 65 and over
29.4%

2,649 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider BN25 3 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

4

within 5 km

  • OLD SCHOOL SURGERY

    CHURCH STREET, SEAFORD, BN25 1HH

    ODS code G81099

    934 m

  • SEAFORD MEDICAL PRACTICE

    DANE ROAD, SEAFORD, BN25 1DH

    ODS code G81029

    997 m

  • NEWHAVEN MEDICAL CENTRE

    5-8 NEWHAVEN SQUARE, NEWHAVEN, BN9 9QS

    ODS code G81061

    4.9 km

  • QUAYSIDE MEDICAL PRACTICE

    10 NEWHAVEN SQUARE, NEWHAVEN, BN9 9QS

    ODS code G81016

    4.9 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Downs Road

    BCT · Seaford

    0.1 miles
  • Downs Road

    BCT · Seaford

    0.1 miles
  • Southdown Road

    BCT · Seaford

    0.2 miles
  • Southdown Road

    BCT · Seaford

    0.2 miles
  • Sherwood Rise

    BCT · Seaford

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Lewes 013D, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

6 of 10

Overall England rank

19,426 of 33,755

Income
6 of 10
Employment
4 of 10
Education and skills
6 of 10
Health and disability
6 of 10
Crime
5 of 10
Housing and services
9 of 10
Living environment
7 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
0
Low risk addresses
0
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Schools

9 open schools are in scope, including 6 primary and 1 secondary schools. Annecy Catholic Primary School is the nearest published school at 583 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

1,005 published events cover 12 months, averaging 83.75 events per published month. The largest recorded category is Violence and sexual offences with 391 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.