Schools
19 open schools are in scope, including 13 primary and 2 secondary schools. Robertswood School is the nearest published school at 757 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SL9 9UB
Chalfont St Peter · Buckinghamshire · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Gerrards Cross
- Ward
- Chalfont St Peter
- Local authority
- Buckinghamshire
- Constituency
- Chesham and Amersham
- Postcode district
- SL9
- Postcode sector
- SL9 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SL9 9UB
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SL
- Postcode district
- SL9
- Postcode sector
- SL9 9
- Latitude
- 51.606002
- Longitude
- -0.548752
- British National Grid easting
- 500,597
- British National Grid northing
- 190,682
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
- E00089584
- Lower layer super output area
- Buckinghamshire 050A · E01017754
- Middle layer super output area
- Buckinghamshire 050 · E02003686
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SL9
Property
6 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Oakridge, Ellis Avenue, Chalfont St Peter, Gerrards Cross, SL9 9UB | 19 March 2021 | £1,275,000 |
| Mount Fort, Ellis Avenue, Chalfont St Peter, Gerrards Cross, SL9 9UB | 4 August 2017 | £1,730,000 |
| Merrydown, Ellis Avenue, Chalfont St Peter, Gerrards Cross, SL9 9UB | 13 July 2017 | £1,625,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 19
- Primary
- 13
- Secondary
- 2
- 757 m
Robertswood School
Community school
- 779 m
Chalfont St Peter CofE Academy
Academy converter
- 1.3 km
Thorpe House School
Other independent school
Recorded crime
Within 1 mile of this postcode
- Published events
- 539
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 205
- Anti social behaviour 60
- Vehicle crime 59
- Other theft 44
- Criminal damage and arson 44
Census 2021
Population and age profile
- Postcode residents
- 21
- Postcode households
- 7
- Residents per household
- 3.0
- SL9 9 residents
- 6,337
10 female, 11 male
Age bands in SL9 9
Wider postcode sector- Age 0 to 14
- 20%
- Age 15 to 24
- 9.7%
- Age 25 to 44
- 23.9%
- Age 45 to 64
- 27%
- Age 65 and over
- 19.4%
1,281 residents
619 residents
1,530 residents
1,725 residents
1,238 residents
This postcode contained 0.3% 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
5
within 5 km
THE MISBOURNE SURGERY
CHURCH LANE, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9RR
ODS code K82051
672 m
THE ALLAN PRACTICE
CALCOT MEDICAL CENTRE, HAMPDEN ROAD, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9SA
ODS code K82078
855 m
THE HALL PRACTICE
HAMPDEN ROAD, CHALFONT ST. PETER, GERRARDS CROSS, SL9 9SX
ODS code K82008
874 m
DENHAM MEDICAL CENTRE
QUEEN MOTHERS DRIVE, DENHAM GARDEN VILLAGE, UXBRIDGE, UB9 5GA
ODS code K82055
4.0 km
HAREFIELD PRACTICE
RICKMANSWORTH ROAD, HAREFIELD, UXBRIDGE, UB9 6JY
ODS code E86007
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
- 0.3 miles
The White Hart PH
BCT · Chalfont St Peter
- 0.3 miles
The White Hart PH
BCT · Chalfont St Peter
- 0.4 miles
Market Place
BCT · Chalfont St Peter
- 0.4 miles
Copthall Lane
BCT · Chalfont Common
- 0.4 miles
Market Place
BCT · Chalfont St Peter
Relative deprivation
English Indices of Deprivation 2025 for Buckinghamshire 050A, 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
30,331 of 33,755
- Income
- 8 of 10
- Employment
- 8 of 10
- Education and skills
- 8 of 10
- Health and disability
- 9 of 10
- Crime
- 8 of 10
- Housing and services
- 8 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
Recorded crime
539 published events cover 12 months, averaging 44.917 events per published month. The largest recorded category is Violence and sexual offences with 205 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.