SL6 9TT

Bisham & Cookham · 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 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL6 9TU 41 m
SL6 9BD 99 m
SL6 9TX 153 m
SL6 9BB 191 m
SL6 9TS 231 m
Complete postcode fields and official codes
Postcode
SL6 9TT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL6
Postcode sector
SL6 9
Latitude
51.564726
Longitude
-0.749226
British National Grid easting
486,793
British National Grid northing
185,835

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Parish or community
E04001214
Westminster constituency
Maidenhead · E14001348
Output area
E00083473
Lower layer super output area
Windsor and Maidenhead 002D · E01016533
Middle layer super output area
Windsor and Maidenhead 002 · E02003422

Postcode source versions

Explore SL6

20 recorded sales at this postcode
Address Date Price
Chapman Orchard, Winter Hill, Cookham, Maidenhead, SL6 9TT 13 December 2022 £1,517,000
Gate House, Winter Hill, Cookham, Maidenhead, SL6 9TT 14 December 2020 £1,250,000
Hornbeams, Winter Hill, Cookham, Maidenhead, SL6 9TT 18 October 2019 £1,400,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
35
Primary
24
Secondary
5
  1. Herries Preparatory School

    Other independent school

    115 m
  2. Cookham Dean CofE Primary School

    Voluntary aided school

    829 m
  3. Foxes Piece School

    Community school

    1.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
215
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 82
  • Anti social behaviour 32
  • Other theft 20
  • Public order 16
  • Criminal damage and arson 16

Census 2021

Population and age profile

Postcode residents
43

19 female, 24 male

Postcode households
14
Residents per household
3.1
SL6 9 residents
5,773

Age bands in SL6 9

Wider postcode sector
Age 0 to 14
17.6%

1,016 residents

Age 15 to 24
8.5%

489 residents

Age 25 to 44
20.2%

1,166 residents

Age 45 to 64
31.1%

1,796 residents

Age 65 and over
22.6%

1,302 residents

This postcode contained 0.7% of the sector's usual residents on Census Day. The age profile describes the wider SL6 9 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+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
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

7

within 5 km

  • MARLOW MEDICAL GROUP

    VICTORIA ROAD, MARLOW, SL7 1DN

    ODS code K82023

    1.8 km

  • COOKHAM MEDICAL CENTRE

    LOWER ROAD, COOKHAM, MAIDENHEAD, SL6 9HX

    ODS code K81042

    1.8 km

  • LINDEN MEDICAL CENTRE

    9A LINDEN AVENUE, MAIDENHEAD, SL6 6JJ

    ODS code K81018

    3.9 km

  • CORDWALLIS ROAD SURGERY

    CORDWALLIS ROAD, MAIDENHEAD, SL6 7DQ

    ODS code K81607

    4.4 km

  • THE SYMONS MEDICAL CENTRE

    25 ALL SAINTS AVENUE, MAIDENHEAD, SL6 6EL

    ODS code K81066

    4.7 km

  • THE CEDARS SURGERY

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

    ODS code K81036

    4.8 km

  • CLAREMONT HOLYPORT SURGERY

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

    ODS code K81020

    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

  • Marlow Rail Station

    RSE · Marlow

    0.9 miles
  • Marlow Rail Station

    RLY · Marlow

    0.9 miles
  • High Road

    BCT · Cookham Rise

    0.9 miles
  • High Road

    BCT · Cookham Rise

    0.9 miles
  • Railway Station

    BCT · Marlow

    0.9 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 002D, 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

10 of 10

Overall England rank

32,652 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
10 of 10
Housing and services
6 of 10
Living environment
5 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 £1,517,000 from 1 recorded sale in SL6 9TT. 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

35 open schools are in scope, including 24 primary and 5 secondary schools. Herries Preparatory School is the nearest published school at 115 m.

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

Recorded crime

215 published events cover 12 months, averaging 17.917 events per published month. The largest recorded category is Violence and sexual offences with 82 events.

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