SN11

UK postcode district

Updated September 2026

District overview

Postcode units
981
Current units
774
Coordinate coverage
100%
Electoral wards
8

Coverage context

Countries represented
England
English regions represented
South West
Local authority codes
1
Terminated postcode units
207

Postcode sectors in SN11

Choose a sector to browse its complete postcode-unit directory.

4 sectors
16,523 recorded sales at this postcode
Address Date Price
45, Wessington Park, Calne, SN11 0AU 29 July 2026 £390,000
39, North Street, Calne, SN11 0HQ 27 July 2026 £235,000
21, St Dunstan Close, Calne, SN11 9ET 24 July 2026 £185,000

Schools

Across this district

View schools report
Open schools
12
Primary
9
Secondary
1

Recorded crime

Across this district

View crime report
Published events
1,224
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 575
  • Anti social behaviour 205
  • Criminal damage and arson 103
  • Public order 97
  • Other theft 63

Census 2021

Population and age profile

SN11 usual residents
24,803
Age-profile population
24,667

Age bands in SN11

Postcode district
Age 0 to 14
17.2%

4,245 residents

Age 15 to 24
10.7%

2,631 residents

Age 25 to 44
22.7%

5,595 residents

Age 45 to 64
29.5%

7,276 residents

Age 65 and over
19.9%

4,920 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

The median Ofcom availability percentage across 764 current postcode units in this district. Each postcode is weighted equally, not by premises.

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%

679 postcode units had 100% superfast coverage, 503 had 100% gigabit-capable coverage, and 12 had at least some premises without decent fixed or fixed-wireless access.

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

2

in this district

  • NORTHLANDS SURGERY

    NORTH STREET, CALNE, SN11 0HH

    ODS code J83039

  • PATFORD HOUSE PARTNERSHIP

    8 PATFORD STREET, CALNE, SN11 0EF

    ODS code J83050

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.

Evidence in context

Property market

The five-year median is £278,000 from 2,351 recorded sales in SN11. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Wiltshire is £328,908 in June 2026, up 2.7% year on year.

Schools

12 open schools are in scope, including 9 primary and 1 secondary schools.

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

Recorded crime

1,224 published events cover 12 months, averaging 102 events per published month. The largest recorded category is Violence and sexual offences with 575 events.

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