SL9 9JJ

Chalfont St Peter · Buckinghamshire · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Gerrards Cross
Local authority
Buckinghamshire
Postcode district
SL9
Postcode sector
SL9 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL9 9HW 39 m
SL9 9HN 51 m
SL9 9HL 91 m
SL9 9HS 97 m
SL9 9HP 102 m
Complete postcode fields and official codes
Postcode
SL9 9JJ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL9
Postcode sector
SL9 9
Latitude
51.604118
Longitude
-0.567426
British National Grid easting
499,308
British National Grid northing
190,447

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Buckinghamshire · E06000060
Parish or community
E04001566
Westminster constituency
Chesham and Amersham · E14001162
Output area
E00089650
Lower layer super output area
Buckinghamshire 054C · E01017767
Middle layer super output area
Buckinghamshire 054 · E02003687

Postcode source versions

Explore SL9

7 recorded sales at this postcode
Address Date Price
2, Layters Avenue South, Chalfont St Peter, Gerrards Cross, SL9 9JJ 9 June 2017 £635,000
3, Layters Avenue South, Chalfont St Peter, Gerrards Cross, SL9 9JJ 16 July 2010 £400,000
1, Layters Avenue South, Chalfont St Peter, Gerrards Cross, SL9 9JJ 2 July 2010 £392,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
18
Primary
13
Secondary
1
  1. St Joseph's Catholic Primary School

    Academy converter

    595 m
  2. The Chalfonts Community College

    Academy converter

    664 m
  3. Chalfont St Peter CofE Academy

    Academy converter

    734 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
471
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 157
  • Vehicle crime 62
  • Other theft 48
  • Anti social behaviour 47
  • Criminal damage and arson 40

Census 2021

Population and age profile

Postcode residents
11

6 female, 5 male

Postcode households
4
Residents per household
2.8
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

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SL9 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+
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

3

within 5 km

  • THE HALL PRACTICE

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

    ODS code K82008

    528 m

  • THE ALLAN PRACTICE

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

    ODS code K82078

    548 m

  • THE MISBOURNE SURGERY

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

    ODS code K82051

    769 m

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

  • Gold Hill West

    BCT · Chalfont St Peter

    0.1 miles
  • Gold Hill West

    BCT · Chalfont St Peter

    0.1 miles
  • The Jolly Farmer

    BCT · Chalfont St Peter

    0.1 miles
  • The Jolly Farmer

    BCT · Chalfont St Peter

    0.1 miles
  • Leachcroft

    BCT · Chalfont St Peter

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Buckinghamshire 054C, 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

28,986 of 33,755

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

18 open schools are in scope, including 13 primary and 1 secondary schools. St Joseph's Catholic Primary School is the nearest published school at 595 m.

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

Recorded crime

471 published events cover 12 months, averaging 39.25 events per published month. The largest recorded category is Violence and sexual offences with 157 events.

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