SL4 6BB

Eton & Castle · Windsor and Maidenhead · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Windsor
Local authority
Windsor and Maidenhead
Constituency
Windsor
Postcode district
SL4
Postcode sector
SL4 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 6AH 46 m
SL4 6BA 47 m
SL4 6AZ 62 m
SL4 6BG 71 m
SL4 6BJ 78 m
Complete postcode fields and official codes
Postcode
SL4 6BB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 6
Latitude
51.488679
Longitude
-0.607880
British National Grid easting
496,751
British National Grid northing
177,555

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Parish or community
E04001217
Westminster constituency
Windsor · E14001588
Output area
E00083645
Lower layer super output area
Windsor and Maidenhead 010B · E01016567
Middle layer super output area
Windsor and Maidenhead 010 · E02003430

Postcode source versions

Explore SL4

56 recorded sales at this postcode
Address Date Price
53, Tangier Lane, Eton, Windsor, SL4 6BB 22 May 2026 £425,000
Intersystems House, Tangier Lane, Eton, Windsor, SL4 6BB 29 January 2025 £3,959,000
Eton Bank Court, 47, Tangier Lane, Eton, Windsor, SL4 6BB 22 March 2024 £450,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
82
Primary
35
Secondary
20
  1. Eton Porny CofE First School

    Academy sponsor led

    132 m
  2. St George's School

    Other independent school

    379 m
  3. Eton College

    Other independent school

    467 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,925
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 522
  • Shoplifting 271
  • Anti social behaviour 178
  • Public order 170
  • Other theft 159

Census 2021

Population and age profile

Postcode residents
47

27 female, 20 male

Postcode households
28
Residents per household
1.7
SL4 6 residents
5,487

Age bands in SL4 6

Wider postcode sector
Age 0 to 14
18.5%

998 residents

Age 15 to 24
23.1%

1,248 residents

Age 25 to 44
19.6%

1,055 residents

Age 45 to 64
25.2%

1,358 residents

Age 65 and over
13.6%

733 residents

This postcode contained 0.9% of the sector's usual residents on Census Day. The age profile describes the wider SL4 6 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+
60.5%
Ultrafast, 100 Mbit/s+
60.5%
Ultrafast, 300 Mbit/s+
60.5%
Gigabit-capable
60.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
60.5%
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

19

within 5 km

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    174 m

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    1.0 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    1.2 km

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    1.5 km

  • CHAPEL MEDICAL CENTRE

    SLOUGH WALK IN CENTRE, UPTON HOSPITAL, ALBERT STREET, SLOUGH, SL1 2BJ

    ODS code Y00265

    2.1 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    2.2 km

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    2.3 km

  • SHREEJI MEDICAL CENTRE

    22 WHITBY ROAD, SLOUGH, SL1 3DQ

    ODS code K81085

    3.3 km

  • CROSBY HOUSE SURGERY

    91 STOKE POGES LANE, SLOUGH, SL1 3NY

    ODS code K81034

    3.3 km

  • SLOUGH TREATMENT, ADVICE & RECOVERY TEAM

    ELLIMAN RESOURCE CENTRE, 27 PURSERS CLOSE, SLOUGH, SL2 5DL

    ODS code Y01253

    3.5 km

  • KUMAR MEDICAL CENTRE

    59 GRASMERE AVENUE, SLOUGH, SL2 5JE

    ODS code K81616

    3.5 km

  • 240 WEXHAM ROAD

    WEXHAM ROAD, SLOUGH, SL2 5JP

    ODS code K81645

    3.7 km

  • DR NABI

    261 BATH ROAD, SLOUGH, SL1 5PP

    ODS code K81608

    3.8 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    3.9 km

  • MANOR PARK MEDICAL CENTRE

    2 LERWICK DRIVE, SLOUGH, SL1 3XU

    ODS code K81086

    4.0 km

  • BHARANI MEDICAL CENTRE

    450 BATH ROAD, CIPPENHAM, SLOUGH, SL1 6BB

    ODS code K81083

    4.6 km

  • LANGLEY HEALTH CENTRE

    COMMON ROAD, LANGLEY, SLOUGH, SL3 8LE

    ODS code K81024

    4.7 km

  • FARNHAM ROAD PRACTICE

    301 FARNHAM ROAD, SLOUGH, SL2 1HD

    ODS code K81075

    4.7 km

  • THE ORCHARD SURGERY

    WILLOW PARADE, 276 HIGH STREET, LANGLEY, SLOUGH, SL3 8HD

    ODS code Y00437

    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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • High Street

    BCT · Eton

    0.1 miles
  • High Street

    BCT · Eton

    0.1 miles
  • Windsor Bridge

    BCT · Eton

    0.2 miles
  • Riverside Rail Station

    BCT · Windsor

    0.2 miles
  • Windsor & Eton Riverside Rail Station

    RLY

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 010B, 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

9 of 10

Overall England rank

27,392 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
6 of 10
Health and disability
10 of 10
Crime
6 of 10
Housing and services
6 of 10
Living environment
2 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
24
Low risk addresses
16
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

Property market

The five-year median is £545,000 from 7 recorded sales in SL4 6BB. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Windsor and Maidenhead is £576,992 in June 2026, down 2.2% year on year.

Schools

82 open schools are in scope, including 35 primary and 20 secondary schools. Eton Porny CofE First School is the nearest published school at 132 m.

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

Recorded crime

1,925 published events cover 12 months, averaging 160.417 events per published month. The largest recorded category is Violence and sexual offences with 522 events.

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