# SN12

Postcode district covering Melksham and Bowerhill, in Wiltshire.

SN12 is a postcode district covering Melksham and Bowerhill, in Wiltshire. Median sale price £300,000 in 2025. Recorded crime 62.5 per 1,000 people.

Postcode district. Code SN12. In: [Postcodes](https://openindex.co.uk/postcode) › [SN](https://openindex.co.uk/postcode/sn)

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 SN12 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £300,000** (2025). The median price paid for a home in SN12 was £300,000 in 2025. Joint 1,069th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/sn12#f-house-sales-median-price
- **Population: 28,636** (2021). SN12 had 28,636 usual residents at the census (ONS Census 2021). 992nd most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/sn12#f-population
- **People in radon Affected Area squares: 11%** (2022). About 11% of people in SN12 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/sn12#f-radon-affected-share
- **Gigabit broadband coverage: 78.9%** (January 2026). In SN12, 78.9% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/sn12#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=SN12) (Worked out by Open Index · 2022): About 11% of people in SN12 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=SN12) (Worked out by Open Index · 2025): 515 homes were sold in SN12 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=SN12) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for SN12.
- [Population by postcode district](https://openindex.co.uk/map/population?place=SN12) (Census 2021, England and Wales): SN12 had 28,636 usual residents at the census.

## How SN12 compares

Each postcode district against every other postcode district the measure covers.

| Measure | SN12 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £300,000 | joint 6th cheapest | 18 postcode districts, SN · 2025 |
| Population | 28,636 | 9th most populated | 19 postcode districts, SN · 2021 |
| People in radon Affected Area squares | 11% | 6th fewest people in radon Affected Areas | 19 postcode districts, SN · 2022 |
| Gigabit broadband coverage | 78.9% | 8th lowest | 19 postcode districts, SN · Jan 2026 |

## Is SN12 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SN12 at a rate of 62.5 per 1,000 people.
That compares with 66.2 per 1,000 people across the SN postcode area.
In August 2026 alone, 182 cases of crime and anti-social behaviour were recorded in SN12.
In the 12 months to August 2026, the most common types were violence and sexual offences (756), anti-social behaviour (429) and other crime (266).
A year earlier, the recorded crime rate in SN12 was 59.0 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 SN12, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so SN12 has no single figure. Of its 19 neighbourhoods with a rank:
- Decile 2: 2 neighbourhoods
- Decile 5: 3 neighbourhoods
- Decile 6: 2 neighbourhoods
- Decile 7: 6 neighbourhoods
- Decile 8: 4 neighbourhoods
- Decile 9: 1 neighbourhood
- Decile 10 (England’s least deprived 10%): 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in SN12

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Wiltshire 020A](https://openindex.co.uk/wiltshire/neighbourhood/e01032063) | 2,227 | 60.8 per 1,000 | 7 | 90.5% |
| [Wiltshire 020B](https://openindex.co.uk/wiltshire/neighbourhood/e01032064) | 1,328 | 79.1 per 1,000 | 2 | 98.4% |
| [Wiltshire 020C](https://openindex.co.uk/wiltshire/neighbourhood/e01032065) | 1,553 | 51.8 per 1,000 | 6 | 95.8% |
| [Wiltshire 020D](https://openindex.co.uk/wiltshire/neighbourhood/e01032073) | 1,408 | 43.9 per 1,000 | 7 | 94.7% |
| [Wiltshire 020E](https://openindex.co.uk/wiltshire/neighbourhood/e01032074) | 1,298 | 17.6 per 1,000 | 8 | 97.4% |
| [Wiltshire 021A](https://openindex.co.uk/wiltshire/neighbourhood/e01032043) | 1,293 | 20.3 per 1,000 | 8 | 0.0% |
| [Wiltshire 021B](https://openindex.co.uk/wiltshire/neighbourhood/e01032044) | 1,558 | 24.8 per 1,000 | 7 | 16.2% |
| [Wiltshire 021C](https://openindex.co.uk/wiltshire/neighbourhood/e01032057) | 1,228 | 20.0 per 1,000 | 8 | 0.4% |
| [Wiltshire 021D](https://openindex.co.uk/wiltshire/neighbourhood/e01032070) | 1,837 | 99.6 per 1,000 | 5 | 63.6% |
| [Wiltshire 021F](https://openindex.co.uk/wiltshire/neighbourhood/e01032072) | 1,901 | 25.2 per 1,000 | 9 | 97.0% |
| [Wiltshire 021G](https://openindex.co.uk/wiltshire/neighbourhood/e01034528) | 1,466 | 29.4 per 1,000 | 8 | 68.1% |
| [Wiltshire 021H](https://openindex.co.uk/wiltshire/neighbourhood/e01034529) | 1,463 | 44.6 per 1,000 | 7 | 95.1% |
| [Wiltshire 021I](https://openindex.co.uk/wiltshire/neighbourhood/e01034530) | 1,701 | 47.2 per 1,000 | 7 | 92.8% |
| [Wiltshire 022A](https://openindex.co.uk/wiltshire/neighbourhood/e01032062) | 1,913 | 194.0 per 1,000 | 2 | 79.3% |
| [Wiltshire 022B](https://openindex.co.uk/wiltshire/neighbourhood/e01032066) | 1,656 | 57.3 per 1,000 | 5 | 97.1% |
| [Wiltshire 022C](https://openindex.co.uk/wiltshire/neighbourhood/e01032067) | 1,426 | 108.8 per 1,000 | 7 | 99.4% |
| [Wiltshire 022D](https://openindex.co.uk/wiltshire/neighbourhood/e01032068) | 1,384 | 133.5 per 1,000 | 5 | 90.5% |
| [Wiltshire 022E](https://openindex.co.uk/wiltshire/neighbourhood/e01032069) | 1,225 | 28.9 per 1,000 | 10 | 99.8% |
| [Wiltshire 028E](https://openindex.co.uk/wiltshire/neighbourhood/e01031876) | 1,509 | 31.9 per 1,000 | 6 | 85.0% |

## Your MP

- [Melksham and Devizes](https://openindex.co.uk/constituency/melksham-and-devizes): Brian Mathew (Liberal Democrat), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in SN12

[Bowerhill, Atworth & Whitley](https://openindex.co.uk/wiltshire/bowerhill-atworth-and-whitley), [Melksham North](https://openindex.co.uk/wiltshire/melksham-north), [Melksham South](https://openindex.co.uk/wiltshire/melksham-south)

## Postcode sectors in SN12

[SN12 6 (357 postcodes)](https://openindex.co.uk/postcode/sn12-6), [SN12 7 (256 postcodes)](https://openindex.co.uk/postcode/sn12-7), [SN12 8 (205 postcodes)](https://openindex.co.uk/postcode/sn12-8), [SN12 9 (5 postcodes)](https://openindex.co.uk/postcode/sn12-9)

## Council

[Wiltshire](https://openindex.co.uk/wiltshire)

## Towns in SN12

[Melksham](https://openindex.co.uk/town/melksham)

## Postcode districts next to SN12

[BA14](https://openindex.co.uk/postcode/ba14), [BA15](https://openindex.co.uk/postcode/ba15), [SN10](https://openindex.co.uk/postcode/sn10), [SN13](https://openindex.co.uk/postcode/sn13), [SN15](https://openindex.co.uk/postcode/sn15)

## Nearest rail stations

[Melksham (1.3 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-2.1445,51.3798)

## More in the SN postcode area

[All SN postcode districts](https://openindex.co.uk/postcode/sn), [Every UK postcode area](https://openindex.co.uk/postcode)

## SN12 in brief

SN12 is a postcode district covering Melksham and Bowerhill, in Wiltshire.
About 30,298 people lived in SN12 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £300,000 in 2025 across 515 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 62.5 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in SN12 was £300,000 in 2025.
SN12 had 28,636 usual residents at the census.
About 11% of people in SN12 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In SN12, 78.9% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: SN12
- Postcode area: [SN](https://openindex.co.uk/postcode/sn)
- Constituency: [Melksham and Devizes †](https://openindex.co.uk/constituency/melksham-and-devizes)
- Council: [Wiltshire †](https://openindex.co.uk/wiltshire)
- Area: 62.79 km²
- People, mid-2024: 30,298*
- Neighbourhoods: 19
- Output areas: 93

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[BA14](https://openindex.co.uk/postcode/ba14), [SN15](https://openindex.co.uk/postcode/sn15), [SN10](https://openindex.co.uk/postcode/sn10), [SN13](https://openindex.co.uk/postcode/sn13), [BA15](https://openindex.co.uk/postcode/ba15)

## Latest updates for SN12

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/SN12

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sn12, or to one figure with its anchor, https://openindex.co.uk/postcode/sn12#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sn12