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SL9 9SX

Chalfont St Peter · Buckinghamshire · England

Updated September 2026

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Location overview

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Ward
Chalfont St Peter
Local authority
Buckinghamshire
Constituency
Chesham and Amersham
Postcode district
SL9
Postcode sector
SL9 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL9 9SA 21 m
SL9 9ER 32 m
SL9 9DP 64 m
SL9 9DR 64 m
SL9 9DS 70 m
Complete postcode fields and official codes
Postcode
SL9 9SX
Status
Current
Introduced
1 January 1991
Terminated
Not published
Postcode area
SL
Postcode district
SL9
Postcode sector
SL9 9
Latitude
51.606929
Longitude
-0.561287
British National Grid easting
499,727
British National Grid northing
190,768

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Buckinghamshire · E06000060
Electoral ward
Chalfont St Peter · E05015944
Parish or community
E04001566
Westminster constituency
Chesham and Amersham · E14001162
Output area
E00178425
Lower layer super output area
Buckinghamshire 050B · E01017755
Middle layer super output area
Buckinghamshire 050 · E02003686

Postcode source versions

Explore SL9

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
17
Primary
11
Secondary
2

  1. Chalfont St Peter CofE Academy

    Academy converter

    210 m

  2. Chalfont St Peter Infant School

    Community school

    623 m

  3. The Chalfonts Community College

    Academy converter

    696 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
546
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 202
  • Vehicle crime 61
  • Anti social behaviour 60
  • Other theft 46
  • Criminal damage and arson 45

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SL9 9 residents
6,337

Age bands in SL9 9

Wider postcode sector
Age 0 to 14
20%

1,281 residents

Age 15 to 24
9.7%

619 residents

Age 25 to 44
23.9%

1,530 residents

Age 45 to 64
27%

1,725 residents

Age 65 and over
19.4%

1,238 residents

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

  • THE HALL PRACTICE

    HAMPDEN ROAD, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9SX

    ODS code K82008

    0 m

  • THE ALLAN PRACTICE

    CALCOT MEDICAL CENTRE, HAMPDEN ROAD, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9SA

    ODS code K82078

    21 m

  • THE MISBOURNE SURGERY

    CHURCH LANE, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9RR

    ODS code K82051

    245 m

  • DENHAM MEDICAL CENTRE

    QUEEN MOTHERS DRIVE, DENHAM GARDEN VILLAGE, UXBRIDGE, UB9 5GA

    ODS code K82055

    4.8 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

  • Lansdown Road

    BCT · Chalfont St Peter

    0.1 miles

  • Lansdown Road

    BCT · Chalfont St Peter

    0.1 miles

  • Market Place

    BCT · Chalfont St Peter

    0.1 miles

  • Market Place

    BCT · Chalfont St Peter

    0.2 miles

  • The White Hart PH

    BCT · Chalfont St Peter

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Buckinghamshire 050B, 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

28,248 of 33,755

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

17 open schools are in scope, including 11 primary and 2 secondary schools. Chalfont St Peter CofE Academy is the nearest published school at 210 m.

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

Recorded crime

546 published events cover 12 months, averaging 45.5 events per published month. The largest recorded category is Violence and sexual offences with 202 events.

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