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SN11 postcode area · Wiltshire

The SN11 postcode district spans 6 neighbourhoods (MSOAs) in Wiltshire. Area Scores range from 51 to 93 across them. Every full SN11 postcode falls within one of the neighbourhoods below.

In summary

There is a sharp split within the SN11 district: Chippenham Pewsham scores 94 out of 100 (#444 of 6,856 nationally) while Calne North sits at 52 — neighbours on the map, 42 points apart on the index. 5 of the 6 rank in the least-deprived third of England; none falls in the most-deprived third. House prices stretch as far as the scores do: medians run from £260,000 in Calne North to £490,000 in Great Wishford, Woodford Valley & Porton — a 1.9× gap within the SN11 district.

Living here

Typical net household income£44,848a year, weighted avg of neighbourhood estimates
Recorded crime33per 1,000 residents, 12m
Median age (est.)44
Owner-occupied72%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the SN11 district

£280,000median home sold over the past year · +11.1% over 5 years · -1.7% over the year · 429 sales
Detached£431,500
Semi-detached£282,250
Terraced£235,000
Flat£149,000
Wiltshire£320,000
South West£310,000
England£300,000
Annual median price, all homes. Small samples can be volatile.
Area Score:more deprivedless deprivedTap a neighbourhood to open it →
NeighbourhoodNat. rankArea scoreMedian price
Chippenham PewshamWiltshire 44494 £287,500
Royal Wootton Bassett Outer & LynehamWiltshire 85588 £324,500
Calne SouthWiltshire 1,49978 £275,000
Great Wishford, Woodford Valley & PortonWiltshire 1,59577 £490,000
Derry Hill & HilmartonWiltshire 1,77474 £385,000
Calne NorthWiltshire 3,30952 £260,000

People living in SN11 Census 2021

Residents54,348
Median age (est.)44
Density157per km²
No qualifications13%
Degree or above32%
No car or van11%

Age

0–14 16%15–24 12%25–44 23%45–64 29%65+ 20%

Tenure

Own outright: 37%Mortgage/shared: 35%Social rent: 11%Private rent: 16%
Own outright 37%Mortgage/shared 35%Social rent 11%Private rent 16%

Households

One person: 26%Couple, no children: 22%Couple with children: 28%Lone parent: 8%Other: 16%
One person 26%Couple, no children 22%Couple with children 28%Lone parent 8%Other 16%

Work (top occupations)

Professional 17% · Associate professional 17% · Managers & directors 14%

All occupation groups
Professional17%
Associate professional17%
Managers & directors14%
Administrative12%
Skilled trades11%
Caring & leisure8%
Elementary8%
Process & plant6%
Sales & customer service6%

Ethnic group

White: 95%Asian: 2%Black: 1%Mixed: 2%Other: 1%
White 95%Asian 2%Black 1%Mixed 2%Other 1%

Religion & identity

Christian 50% · No religion 42% · Other 1%

Born outside the UK: 9%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Towns & places in SN11

Places whose neighbourhoods overlap the SN11 district.

Calne Chippenham Royal Wootton Bassett

Nearby areas

Postcode districts around SN11.

SN10 SN15 SN12 SN9 SN14 SN13 SN4 BA14

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.