Chalfont St Peter

Chalfont St Peter is covered by postcode district SL9. It is in the Buckinghamshire council area, England.

Every postcode in Chalfont St Peter, and which are new since 2020

Map of every postcode in Chalfont St Peter, by new since 2020 Of the 520 postcodes in Chalfont St Peter that ONS places, 13 are new since 2020 and 507 were in use before 2020. One group of new postcodes is outlined: 8 new postcodes since 2020. Places named: Chalfont St Peter. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. 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new since 2020SL9 0FN: new since 2020SL9 0FP: new since 2020SL9 0FQ: new since 2020SL9 0FR: new since 2020SL9 0FS: new since 2020SL9 0FT: new since 2020SL9 0FU: new since 2020SL9 0FW: new since 2020SL9 0FX: new since 2020SL9 9FW: new since 2020SL9 9FX: new since 2020SL9 9RF: new since 2020 Chalfont St Peter 8 new postcodes since 2020, outlined: this goes to SL9 0FL, the newest of them8 new postcodes since 2020 Map of every postcode in Chalfont St Peter, by new since 2020 Of the 520 postcodes in Chalfont St Peter that ONS places, 13 are new since 2020 and 507 were in use before 2020. One group of new postcodes is outlined: 8 new postcodes since 2020. Places named: Chalfont St Peter. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Chalfont St Peter
  • New since 2020: 13
  • In use before 2020: 507
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 520 postcodes in Chalfont St Peter that ONS places, 13 are new since 2020 and 507 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 51.6077, longitude -0.5568. Open this area on OpenStreetMap

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre.

Where the new postcodes lie together

What is it like to live in Chalfont St Peter?

Homes sold for a typical £795,000 in the 12 months to September 2026. At 431 of the 518 postcodes Ofcom reports on, every home and business can get gigabit broadband. The Environment Agency counts 23 homes and businesses at high or medium risk of flooding from rivers or the sea, at 26 of its 520 postcodes. It has 6 primary schools, 1 secondary school and 2 all-through schools at its postcodes within 12 km of its centre. 3 GP practices are at its postcodes. The nearest railway station is Gerrards Cross, 2.1 km from the middle of its postcodes in a straight line.

We don't rate places; here are the figures so you can judge.

Sources: HM Land Registry Price Paid Data; Ofcom Connected Nations; Environment Agency flood risk; Get Information about Schools; NHS GP practices; NaPTAN. Each figure is from a section of this page, which gives its date.

What do homes cost in Chalfont St Peter?

Homes in Chalfont St Peter sold for a typical £795,000 in the 12 months to September 2026, across 155 sales, HM Land Registry's figures show. The 12 months before gave £770,000 from 187 sales: not a change larger than chance would explain, given which homes happened to sell.

£795,000 typical price, the 12 months to September 2026
£770,000 12 months to September 2025
  • Detached £922,500 86 sales
  • Semi-detached £720,000 25 sales
  • Terraced £542,000 15 sales
  • Flat or maisonette £385,000 29 sales

Each bar is that kind's typical price, against the most expensive kind here.

Across the whole SL9 district, Chalfont St Peter's main postcode district: a typical £807,500.

Sales at the postcodes ONS places in Chalfont St Peter: standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 October 2026.

Are new homes being built in Chalfont St Peter?

13 of the 520 postcodes now in use in Chalfont St Peter came into use in January 2020 or later, ONS says. In the 12 months to September 2025, 13 of the 187 homes sold in Chalfont St Peter were newly built (7%), HM Land Registry's records show; across the SL9 district, 9%.

The newest postcodes

A new postcode is often a new street or estate, but Royal Mail also makes new postcodes when it reorganises old ones, so not every one means new homes. Only postcodes still in use are counted.

New homes among the homes sold

PeriodIn Chalfont St PeterAcross the SL9 district
The 12 months to September 2026 4 of 155 (3%) 5 of 214 (2%)
The 12 months to September 2025 13 of 187 (7%) 28 of 313 (9%)

Standard sales of homes at market value that HM Land Registry marks as newly built. New homes take longer to be registered than other sales, so the latest 12 months count fewer of them than were sold. A share is given from 5 sales or more.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; HM Land Registry Price Paid Data, files dated 28 October 2026.

What broadband can you get in Chalfont St Peter?

Ofcom reports on 518 of the 520 postcodes in Chalfont St Peter. At 431 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit431 of 518
Postcodes where every home can get superfast507 of 518

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom Connected Nations, Connected Nations, Spring 2026, data for January 2026.

Is Chalfont St Peter at risk of flooding?

26 of the 520 postcodes in Chalfont St Peter have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 23 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 26 of 520 postcodes High: 3Medium: 20Low: 256

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency flood risk, published 6 July 2026.

Which schools are in Chalfont St Peter?

The open schools at the postcodes in Chalfont St Peter (the first 8 primaries by distance from its middle). A school for ages 4 to 18 is listed under both. Distances are straight lines from the middle of its postcodes. Distance is not a catchment: each council sets its own admission rules. Special schools and alternative provision, which children join by referral, are not listed.

An orange bar: the school has as many pupils as places, or more (Department for Education's figures).

Find and compare schools in England, on GOV.UK

Source: Get Information about Schools, read 17 October 2026. Each school opens its own record there.

How far is the station from Chalfont St Peter?

The nearest railway station to the centre point of the postcodes in Chalfont St Peter is Gerrards Cross Rail Station, 2.1 km away in a straight line.

  • Gerrards Cross Rail Station Railway station 2.1 kmCycle
  • Seer Green Rail Station Railway station 3.5 kmCycle
  • Denham Golf Club Rail Station Railway station 4.0 kmCycle

Straight-line distances from the centre point, not routes. Walk: under 1.2 km. Cycle: 1.2 to 5 km. Drive: further.

Straight-line distances from the middle of the postcodes, not routes. Each postcode page lists its own nearest stations and bus stops. The Department for Transport's register does not say how often services run.

Source: NaPTAN, read 17 October 2026.

Which GP surgeries are in Chalfont St Peter?

The GP practices at the postcodes in Chalfont St Peter. Each practice sets the area it takes patients from, so check with it before registering.

Find a GP on the NHS website

Sources: NHS GP practices, read 17 October 2026; Care Quality Commission, ratings of 1 October 2026.

Is Chalfont St Peter safe? Crime recorded around it

Police.uk records 554 crimes and reports of anti-social behaviour within a mile of the middle of the postcodes in Chalfont St Peter over the 12 months from September 2025 to August 2026. August 2026 is the latest month it has published. These are counts, not a rate: we hold no count of the people who live, work or pass through, so we do not say whether a place is safe.

Each month, September 2025 to August 2026

  1. 48 September 2025
  2. 41 October 2025
  3. 49 November 2025
  4. 55 December 2025
  5. 32 January 2026
  6. 53 February 2026
  7. 44 March 2026
  8. 32 April 2026
  9. 59 May 2026
  10. 50 June 2026
  11. 52 July 2026
  12. 39 August 2026

By kind, over the 12 months

Violence and sexual offences192 reports
Anti-social behaviour70 reports
Vehicle crime57 reports
Criminal damage and arson49 reports
Public order46 reports
Other theft42 reports
Burglary33 reports
Shoplifting21 reports

Also: other crime 13, robbery 11, drugs 7, bicycle theft 6, possession of weapons 5, theft from the person 2.

Police.uk says its locations "always represent the approximate location of a crime". Each crime is moved to the nearest of a fixed list of map points, each over a street centre, a public place or a commercial premises, chosen so that every point covers at least eight addresses or none. A mile is a wide circle: in a town it takes in the centre and its shops, where much crime is recorded.

Crime around one postcode

Source: police.uk, data to August 2026, from its download of 30 September 2026.

Who runs Chalfont St Peter?

Parliamentary constituency
Chesham and Amersham
Police force area
Thames Valley
Region
South East
Country
England
MP
Sarah Green (Liberal Democrat)

All 520 postcodes here share these. Wards differ: check a postcode for yours. What council am I in?

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; UK Parliament, read 14 October 2026.

Moving to Chalfont St Peter

Who to tell and what to sort out in your first week.

Chalfont St Peter postcodes

520 postcodes in use in Chalfont St Peter, by district:

That district is in the SL postcode area.

Check a Chalfont St Peter postcode

Enter a full postcode to see its ward, its flood risk, house prices in its sector and its nearest schools.

Do not know the postcode? What is my postcode?

Places near Chalfont St Peter

With the typical price of a home in each, to set beside Chalfont St Peter's £795,000. Distances are straight lines between the middles of each place's postcodes.

Quick answers about Chalfont St Peter

What is the postcode for Chalfont St Peter?
Postcode district SL9, with 520 postcodes in use. Source: ONS.
Which council is Chalfont St Peter in?
Buckinghamshire. Source: ONS.
Who is the MP for Chalfont St Peter?
Sarah Green (Liberal Democrat), for Chesham and Amersham. Source: UK Parliament and ONS.
How much are houses in Chalfont St Peter?
A typical £795,000 in the 12 months to September 2026, from 155 sales. Source: HM Land Registry.
What schools are in Chalfont St Peter?
Primary schools at its postcodes include Chalfont St Peter CofE Academy, Chalfont St Peter Infant School and Robertswood School; secondary schools at its postcodes include The Chalfonts Community College, Thorpe House School and St Mary's School. Source: Department for Education.
Does Chalfont St Peter have a railway station?
The nearest is Gerrards Cross station, 2.1 km from the middle of its postcodes in a straight line. Source: Department for Transport.
What broadband can you get in Chalfont St Peter?
Ofcom reports on 518 of the 520 postcodes in Chalfont St Peter. At 431 of them every home and business can get gigabit broadband. Source: Ofcom.
Is Chalfont St Peter at risk of flooding?
26 of the 520 postcodes in Chalfont St Peter have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 23 homes and businesses in an area at high or medium risk. River and sea risk for the land, not surface water. Source: Environment Agency.
Are new homes being built in Chalfont St Peter?
13 of the 520 postcodes now in use in Chalfont St Peter came into use in January 2020 or later, ONS says. In the 12 months to September 2025, 13 of the 187 homes sold in Chalfont St Peter were newly built (7%), HM Land Registry's records show; across the SL9 district, 9%. Source: ONS and HM Land Registry.

Where the facts on this page come from

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Contains public sector information licensed under the Open Government Licence v3.0. This uses Care Quality Commission information. Contains Parliamentary information licensed under the Open Parliament Licence v3.0.

Licences: Open Government Licence v3.0; Open Parliament Licence v3.0.

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