Property market
The five-year median is £337,500 from 4 recorded sales in BN25 3SL. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Lewes is £367,918 in June 2026, up 1.7% year on year.
BN25 3SL
Seaford East · Lewes · England
Updated September 2026
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- BN25 3SL
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- BN
- Postcode district
- BN25
- Postcode sector
- BN25 3
- Latitude
- 50.776762
- Longitude
- 0.125756
- British National Grid easting
- 549,970
- British National Grid northing
- 99,619
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- South East · E12000008
- Local authority district
- Lewes · E07000063
- Electoral ward
- Seaford East · E05011599
- Parish or community
- E04003794
- Westminster constituency
- Lewes · E14001330
- Output area
- E00107020
- Lower layer super output area
- Lewes 012C · E01021074
- Middle layer super output area
- Lewes 012 · E02004390
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore BN25
Property
29 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 33, Chyngton Avenue, Seaford, BN25 3SL | 10 July 2026 | £280,000 |
| 37a, Chyngton Avenue, Seaford, BN25 3SL | 19 May 2025 | £415,000 |
| 37, Chyngton Avenue, Seaford, BN25 3SL | 9 January 2025 | £350,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 8
- Primary
- 5
- Secondary
- 1
- 304 m
Chyngton School
Academy converter
- 397 m
Cuckmere House School
Academy special converter
- 865 m
Seaford Head School
Academy converter
Recorded crime
Within 1 mile of this postcode
- Published events
- 539
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 244
- Anti social behaviour 111
- Criminal damage and arson 46
- Public order 42
- Other theft 26
Census 2021
Population and age profile
- Postcode residents
- 58
- Postcode households
- 23
- Residents per household
- 2.5
- BN25 3 residents
- 8,853
29 female, 29 male
Age bands in BN25 3
Wider postcode sector- Age 0 to 14
- 16%
- Age 15 to 24
- 9%
- Age 25 to 44
- 19.9%
- Age 45 to 64
- 25.6%
- Age 65 and over
- 29.4%
1,445 residents
815 residents
1,797 residents
2,308 residents
2,649 residents
This postcode contained 0.7% 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
2
within 5 km
OLD SCHOOL SURGERY
CHURCH STREET, SEAFORD, BN25 1HH
ODS code G81099
1.8 km
SEAFORD MEDICAL PRACTICE
DANE ROAD, SEAFORD, BN25 1DH
ODS code G81029
1.9 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
- 0.1 miles
Romney Close
BCT · Seaford
- 0.1 miles
Romney Close
BCT · Seaford
- 0.1 miles
Hythe Crescent
BCT · Seaford
- 0.1 miles
Hythe Crescent
BCT · Seaford
- 0.2 miles
Walmer Road
BCT · Seaford
Relative deprivation
English Indices of Deprivation 2025 for Lewes 012C, 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
4 of 10
Overall England rank
11,879 of 33,755
- Income
- 4 of 10
- Employment
- 3 of 10
- Education and skills
- 4 of 10
- Health and disability
- 4 of 10
- Crime
- 6 of 10
- Housing and services
- 5 of 10
- Living environment
- 10 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
- 4
- Medium risk addresses
- 2
- 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
8 open schools are in scope, including 5 primary and 1 secondary schools. Chyngton School is the nearest published school at 304 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
539 published events cover 12 months, averaging 44.917 events per published month. The largest recorded category is Violence and sexual offences with 244 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.