SN11
Postcode districtPostcode district covering Calne, The Square and Quemerford, in Wiltshire.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an SN11 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In SN11, 84.4% of homes and businesses could get gigabit-capable broadband in January 2026.
How SN11 compares
Each dot is a postcode district. The black line marks the middle one.
Is SN11 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SN11 at a rate of 50.2 per 1,000 people.
That compares with 66.2 per 1,000 people across SN.
In August 2026 alone, 131 cases of crime and anti-social behaviour were recorded in SN11.
In the 12 months to August 2026, the most common types were violence and sexual offences (581), anti-social behaviour (243) and other crime (216).
A year earlier, the recorded crime rate in SN11 was 51.3 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in SN11, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so SN11 has no single figure. Of its 14 neighbourhoods with a rank:
- Decile 3: 1 neighbourhood
- Decile 4: 1 neighbourhood
- Decile 5: 3 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 3 neighbourhoods
- Decile 8: 3 neighbourhoods
- Decile 10 (England’s least deprived 10%): 2 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in SN11
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Wiltshire 013B | 2,582 | 34.1 per 1,000 | 8 | 64.2% |
| Wiltshire 013C | 1,117 | 31.0 per 1,000 | 5 | 80.2% |
| Wiltshire 013D | 1,544 | 35.4 per 1,000 | 8 | 69.9% |
| Wiltshire 015A | 2,572 | 43.7 per 1,000 | 5 | 96.7% |
| Wiltshire 015B | 1,457 | 120.7 per 1,000 | 3 | 75.3% |
| Wiltshire 015C | 1,973 | 29.3 per 1,000 | 8 | 96.0% |
| Wiltshire 015D | 1,803 | 55.6 per 1,000 | 5 | 99.2% |
| Wiltshire 015F | 1,875 | 44.9 per 1,000 | 7 | 75.3% |
| Wiltshire 015G | 1,435 | 67.3 per 1,000 | 6 | 98.3% |
| Wiltshire 016B | 1,392 | 84.0 per 1,000 | 4 | 68.1% |
| Wiltshire 016C | 1,837 | 47.5 per 1,000 | 7 | 98.0% |
| Wiltshire 016D | 2,260 | 22.7 per 1,000 | 10 | 96.3% |
| Wiltshire 016E | 1,221 | 79.9 per 1,000 | 7 | 65.4% |
| Wiltshire 016F | 1,242 | 68.3 per 1,000 | 10 | 94.1% |
MPs for SN11
- Sarah GibsonLiberal DemocratMP for Chippenham79% of SN11’s postcodes
- Brian MathewLiberal DemocratMP for Melksham and Devizes21% of SN11’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in SN113
Postcode sectors in SN114
Council1
Towns in SN111
Postcode districts next to SN114
More in the SN postcode area2
SN11 in brief
SN11 is a postcode district covering Calne, The Square and Quemerford, in Wiltshire.
About 25,480 people lived in SN11 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £280,000 in 2025 across 475 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 50.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in SN11 was £280,000 in 2025.
SN11 had 24,964 usual residents at the census.
In SN11, 84.4% of homes and businesses could get gigabit-capable broadband in January 2026.
In SN11, 2.4% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.