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Southwater

Town

Town in Horsham, South East.

Southwater is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Southwater add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

Open in map

Radon Affected Area by town

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Southwater live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£430,000
Joint 147th most expensive of 1,092
Worked out by Open Index
Population
11,204
303rd least populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
95.4%
UK 87.8%
Ofcom · Jan 2026

How Southwater compares

Each dot is a town. The black line marks the middle one.

SouthwaterMiddle
Median sale price209 towns, South East · 2025
Median sale price: every town in South East209 areas from £215,500 to £1,300,000. The middle area is £393,500. Southwater is £430,000.
£430,000joint 77th most expensive
Population209 towns, South East · 2021
Population: every town in South East209 areas from 7,523 to 277,096. The middle area is 20,220. Southwater is 11,204.
11,20445th least populated
People in radon Affected Area squares209 towns, South East · 2022
People in radon Affected Area squares: every town in South East209 areas from 0.0% to 100.0%. The middle area is 36.0%. Southwater is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage209 towns, South East · Jan 2026
Gigabit broadband coverage: every town in South East209 areas from 64.6% to 99.6%. The middle area is 90.4%. Southwater is 95.4%.
95.4%joint 39th highest

Is Southwater safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Southwater at a rate of 35.4 per 1,000 people.

That compares with 81.3 per 1,000 people across South East.

Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.

In August 2026 alone, 33 cases of crime and anti-social behaviour were recorded in Southwater.

In the 12 months to August 2026, the most common types were violence and sexual offences (138), anti-social behaviour (119) and other crime (62).

A year earlier, the recorded crime rate in Southwater was 31.7 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 Southwater, neighbourhood by neighbourhood

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

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

Neighbourhoods in Southwater

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Horsham 008E2,04935.2 per 1,000949.8%
Horsham 009A1,60538.7 per 1,000890.8%
Horsham 009B1,90943.4 per 1,0001099.3%
Horsham 009C1,52114.7 per 1,0001099.8%
Horsham 009D1,76239.9 per 1,0001098.3%
Horsham 009E1,11310.2 per 1,00010100.0%
Horsham 009F1,45368.9 per 1,000990.4%

Your MP

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

Council1

Postcode districts covering Southwater1

Middle areas in Southwater1

Towns near Southwater6

Southwater in brief

Southwater is a town in Horsham, South East.

About 11,516 people lived in Southwater in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £430,000 in 2025 across 143 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 35.4 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Southwater was £430,000 in 2025.

Southwater had 11,204 usual residents at the census.

About 0% of people in Southwater live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Southwater, 95.4% of homes and businesses could get gigabit-capable broadband in January 2026.