SL6 4SA

Boyn Hill · Windsor and Maidenhead · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Maidenhead
Local authority
Windsor and Maidenhead
Constituency
Maidenhead
Postcode district
SL6
Postcode sector
SL6 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL6 4AQ 40 m
SL6 4EU 91 m
SL6 6DA 95 m
SL6 4EP 96 m
SL6 4JT 106 m
Complete postcode fields and official codes
Postcode
SL6 4SA
Status
Current
Introduced
1 February 1990
Terminated
Not published
Postcode area
SL
Postcode district
SL6
Postcode sector
SL6 4
Latitude
51.521929
Longitude
-0.733780
British National Grid easting
487,946
British National Grid northing
181,094

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Electoral ward
Boyn Hill · E05012497
Parish or community
E43000259
Westminster constituency
Maidenhead · E14001348
Output area
E00083489
Lower layer super output area
Windsor and Maidenhead 005D · E01016536
Middle layer super output area
Windsor and Maidenhead 005 · E02003425

Postcode source versions

Explore SL6

81 recorded sales at this postcode
Address Date Price
38, Lancastria Mews, Maidenhead, SL6 4SA 26 June 2026 £605,000
24, Lancastria Mews, Maidenhead, SL6 4SA 12 June 2026 £267,000
22, Lancastria Mews, Maidenhead, SL6 4SA 14 February 2025 £288,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
40
Primary
25
Secondary
6
  1. Claires Court Schools

    Other independent school

    303 m
  2. Boyne Hill CofE Infant and Nursery School

    Voluntary controlled school

    565 m
  3. All Saints Church of England Junior School

    Academy sponsor led

    729 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3,209
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,265
  • Public order 304
  • Anti social behaviour 275
  • Criminal damage and arson 245
  • Shoplifting 225

Census 2021

Population and age profile

Postcode residents
65

29 female, 36 male

Postcode households
39
Residents per household
1.7
SL6 4 residents
8,662

Age bands in SL6 4

Wider postcode sector
Age 0 to 14
20%

1,680 residents

Age 15 to 24
10.3%

867 residents

Age 25 to 44
28.6%

2,410 residents

Age 45 to 64
25.8%

2,173 residents

Age 65 and over
15.3%

1,286 residents

This postcode contained 0.8% of the sector's usual residents on Census Day. The age profile describes the wider SL6 4 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

10

within 5 km

  • THE SYMONS MEDICAL CENTRE

    25 ALL SAINTS AVENUE, MAIDENHEAD, SL6 6EL

    ODS code K81066

    368 m

  • CORDWALLIS ROAD SURGERY

    CORDWALLIS ROAD, MAIDENHEAD, SL6 7DQ

    ODS code K81607

    975 m

  • LINDEN MEDICAL CENTRE

    9A LINDEN AVENUE, MAIDENHEAD, SL6 6JJ

    ODS code K81018

    1.0 km

  • CLAREMONT HOLYPORT SURGERY

    CLAREMONT SURGERY, 2 COOKHAM ROAD, MAIDENHEAD, SL6 8AN

    ODS code K81020

    1.0 km

  • THE CEDARS SURGERY

    WILDERNESS MEDICAL CENTRE, 8 COOKHAM ROAD, MAIDENHEAD, SL6 8AJ

    ODS code K81036

    1.0 km

  • ROSS ROAD MEDICAL CENTRE

    85 ROSS ROAD, MAIDENHEAD, SL6 2SR

    ODS code K81019

    1.3 km

  • ROSEMEAD SURGERY

    8A RAY PARK AVENUE, MAIDENHEAD, SL6 8DS

    ODS code K81084

    2.1 km

  • REDWOOD HOUSE SURGERY

    REDWOOD HOUSE, CANNON LANE, MAIDENHEAD, SL6 3PH

    ODS code K81097

    2.3 km

  • WOODLANDS PARK SURGERY

    15 WOODLANDS PARK ROAD, WOODLANDS PARK, MAIDENHEAD, SL6 3NW

    ODS code K81015

    2.9 km

  • COOKHAM MEDICAL CENTRE

    LOWER ROAD, COOKHAM, MAIDENHEAD, SL6 9HX

    ODS code K81042

    4.1 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

  • Castle Hill

    BCT · Boyn Hill

    0.0 miles
  • Raymond Road

    BCT · Belmont

    0.0 miles
  • Raymond Road

    BCT · Belmont

    0.1 miles
  • Castle Hill

    BCT · Boyn Hill

    0.1 miles
  • Boyn Hill Avenue

    BCT · Boyn Hill

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 005D, 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

7 of 10

Overall England rank

21,386 of 33,755

Income
6 of 10
Employment
5 of 10
Education and skills
8 of 10
Health and disability
8 of 10
Crime
6 of 10
Housing and services
7 of 10
Living environment
3 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

Property market

The five-year median is £260,000 from 8 recorded sales in SL6 4SA. 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

40 open schools are in scope, including 25 primary and 6 secondary schools. Claires Court Schools is the nearest published school at 303 m.

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

Recorded crime

3,209 published events cover 12 months, averaging 267.417 events per published month. The largest recorded category is Violence and sexual offences with 1,265 events.

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