# Thundersley and South Benfleet

Town in Castle Point, East of England.

Thundersley and South Benfleet is a town in Castle Point, East of England. Median sale price £400,000 in 2025. Recorded crime 47.0 per 1,000 people.

Town. Code E63004808. In: [Towns](https://openindex.co.uk/places/towns) › [Castle Point](https://openindex.co.uk/castle-point)

Thundersley and South Benfleet is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Thundersley and South Benfleet 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.

## Key figures

- **Median sale price: £400,000** (2025). The median price paid for a home in Thundersley and South Benfleet was £400,000 in 2025. Joint 186th most expensive of 1,092. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/town/thundersley-and-south-benfleet#f-house-sales-median-price
- **Population: 49,886** (2021). Thundersley and South Benfleet had 49,886 usual residents at the census (ONS Census 2021). 220th most populated of 1,209. 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/town/thundersley-and-south-benfleet#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in Thundersley and South Benfleet 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/town/thundersley-and-south-benfleet#f-radon-affected-share
- **Gigabit broadband coverage: 92.1%** (January 2026). In Thundersley and South Benfleet, 92.1% 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/town/thundersley-and-south-benfleet#f-gigabit-coverage

## On the map

- [Radon Affected Area by town](https://openindex.co.uk/map/radon-affected-areas?place=E63004808) (Worked out by Open Index · 2022): About 0% of people in Thundersley and South Benfleet live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by town](https://openindex.co.uk/map/house-sales-per-year?place=E63004808) (Worked out by Open Index · 2025): 861 homes were sold in Thundersley and South Benfleet in 2025.
- [Crime and ASB by town](https://openindex.co.uk/map/recorded-crime?place=E63004808) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Thundersley and South Benfleet.
- [Population by town](https://openindex.co.uk/map/population?place=E63004808) (Census 2021, England and Wales): Thundersley and South Benfleet had 49,886 usual residents at the census.

## How Thundersley and South Benfleet compares

Each town against every other town the measure covers.

| Measure | Thundersley and South Benfleet | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £400,000 | 41st most expensive | 130 towns, East of England · 2025 |
| Population | 49,886 | 20th most populated | 130 towns, East of England · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 130 towns, East of England · 2022 |
| Gigabit broadband coverage | 92.1% | joint 62nd lowest | 130 towns, East of England · Jan 2026 |

## Is Thundersley and South Benfleet safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Thundersley and South Benfleet at a rate of 47.0 per 1,000 people.
That compares with 80.2 per 1,000 people across East of England.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 235 cases of crime and anti-social behaviour were recorded in Thundersley and South Benfleet.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,011), other crime (378) and anti-social behaviour (249).
A year earlier, the recorded crime rate in Thundersley and South Benfleet was 49.2 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 Thundersley and South Benfleet, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so Thundersley and South Benfleet has no single figure. Of its 32 neighbourhoods with a rank:
- Decile 3: 1 neighbourhood
- Decile 4: 1 neighbourhood
- Decile 5: 2 neighbourhoods
- Decile 6: 2 neighbourhoods
- Decile 7: 7 neighbourhoods
- Decile 8: 11 neighbourhoods
- Decile 9: 8 neighbourhoods

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

## Neighbourhoods in Thundersley and South Benfleet

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Castle Point 001A](https://openindex.co.uk/castle-point/neighbourhood/e01021513) | 1,608 | 39.9 per 1,000 | 8 | 91.8% |
| [Castle Point 001B](https://openindex.co.uk/castle-point/neighbourhood/e01021514) | 1,537 | 29.4 per 1,000 | 7 | 99.0% |
| [Castle Point 001C](https://openindex.co.uk/castle-point/neighbourhood/e01021515) | 1,334 | 28.9 per 1,000 | 7 | 97.4% |
| [Castle Point 001D](https://openindex.co.uk/castle-point/neighbourhood/e01021525) | 1,665 | 73.0 per 1,000 | 5 | 55.2% |
| [Castle Point 001E](https://openindex.co.uk/castle-point/neighbourhood/e01021527) | 1,679 | 25.4 per 1,000 | 8 | 90.6% |
| [Castle Point 002A](https://openindex.co.uk/castle-point/neighbourhood/e01021509) | 1,409 | 31.0 per 1,000 | 6 | 95.5% |
| [Castle Point 002B](https://openindex.co.uk/castle-point/neighbourhood/e01021510) | 1,471 | 40.7 per 1,000 | 7 | 99.3% |
| [Castle Point 002C](https://openindex.co.uk/castle-point/neighbourhood/e01021511) | 1,995 | 25.9 per 1,000 | 8 | 86.8% |
| [Castle Point 002D](https://openindex.co.uk/castle-point/neighbourhood/e01021528) | 1,577 | 63.1 per 1,000 | 8 | 87.5% |
| [Castle Point 002E](https://openindex.co.uk/castle-point/neighbourhood/e01021531) | 1,500 | 94.9 per 1,000 | 8 | 93.2% |
| [Castle Point 003A](https://openindex.co.uk/castle-point/neighbourhood/e01021476) | 1,993 | 89.7 per 1,000 | 6 | 96.2% |
| [Castle Point 003B](https://openindex.co.uk/castle-point/neighbourhood/e01021477) | 1,511 | 31.3 per 1,000 | 8 | 98.7% |
| [Castle Point 003C](https://openindex.co.uk/castle-point/neighbourhood/e01021478) | 1,790 | 44.6 per 1,000 | 9 | 97.1% |
| [Castle Point 003D](https://openindex.co.uk/castle-point/neighbourhood/e01021516) | 1,332 | 37.0 per 1,000 | 8 | 93.7% |
| [Castle Point 004A](https://openindex.co.uk/castle-point/neighbourhood/e01021479) | 1,538 | 24.1 per 1,000 | 9 | 97.0% |
| [Castle Point 004B](https://openindex.co.uk/castle-point/neighbourhood/e01021481) | 1,642 | 28.6 per 1,000 | 9 | 75.8% |
| [Castle Point 004C](https://openindex.co.uk/castle-point/neighbourhood/e01021483) | 1,799 | 25.9 per 1,000 | 9 | 84.8% |
| [Castle Point 004D](https://openindex.co.uk/castle-point/neighbourhood/e01021512) | 1,522 | 45.5 per 1,000 | 8 | 90.3% |
| [Castle Point 004E](https://openindex.co.uk/castle-point/neighbourhood/e01021526) | 1,578 | 16.6 per 1,000 | 9 | 92.1% |
| [Castle Point 005A](https://openindex.co.uk/castle-point/neighbourhood/e01021517) | 1,663 | 26.2 per 1,000 | 9 | 93.4% |
| [Castle Point 005B](https://openindex.co.uk/castle-point/neighbourhood/e01021519) | 1,534 | 20.2 per 1,000 | 9 | 89.5% |
| [Castle Point 005C](https://openindex.co.uk/castle-point/neighbourhood/e01021530) | 1,463 | 36.2 per 1,000 | 8 | 90.4% |
| [Castle Point 005D](https://openindex.co.uk/castle-point/neighbourhood/e01021532) | 1,385 | 29.8 per 1,000 | 8 | 87.6% |
| [Castle Point 006A](https://openindex.co.uk/castle-point/neighbourhood/e01021482) | 1,526 | 87.2 per 1,000 | 7 | 99.1% |
| [Castle Point 006B](https://openindex.co.uk/castle-point/neighbourhood/e01021518) | 2,131 | 72.3 per 1,000 | 5 | 88.1% |
| [Castle Point 006C](https://openindex.co.uk/castle-point/neighbourhood/e01021520) | 1,533 | 83.7 per 1,000 | 7 | 93.8% |
| [Castle Point 006D](https://openindex.co.uk/castle-point/neighbourhood/e01021529) | 1,497 | 68.3 per 1,000 | 3 | 95.5% |
| [Castle Point 007A](https://openindex.co.uk/castle-point/neighbourhood/e01021480) | 1,749 | 78.6 per 1,000 | 9 | 96.9% |
| [Castle Point 007B](https://openindex.co.uk/castle-point/neighbourhood/e01021521) | 1,395 | 30.5 per 1,000 | 7 | 98.7% |
| [Castle Point 007C](https://openindex.co.uk/castle-point/neighbourhood/e01021522) | 1,872 | 89.1 per 1,000 | 4 | 93.4% |
| [Castle Point 007D](https://openindex.co.uk/castle-point/neighbourhood/e01021523) | 1,404 | 12.8 per 1,000 | 8 | 96.8% |
| [Castle Point 007E](https://openindex.co.uk/castle-point/neighbourhood/e01021524) | 1,627 | 59.5 per 1,000 | 7 | 97.7% |

## Your MP

- [Castle Point](https://openindex.co.uk/constituency/castle-point): Rebecca Harris (Conservative), 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.

## Council

[Castle Point](https://openindex.co.uk/castle-point)

## Postcode districts covering Thundersley and South Benfleet

[SS7](https://openindex.co.uk/postcode/ss7)

## Middle areas in Thundersley and South Benfleet

[Benfleet Appleton](https://openindex.co.uk/castle-point/benfleet-appleton), [Benfleet North](https://openindex.co.uk/castle-point/benfleet-north), [Hadleigh North](https://openindex.co.uk/castle-point/hadleigh-north), [Hadleigh South](https://openindex.co.uk/castle-point/hadleigh-south), [New Thundersley](https://openindex.co.uk/castle-point/new-thundersley), [South Benfleet](https://openindex.co.uk/castle-point/south-benfleet), [Thundersley Glen](https://openindex.co.uk/castle-point/thundersley-glen)

## Towns near Thundersley and South Benfleet

[Rayleigh](https://openindex.co.uk/town/rayleigh), [Southend-on-Sea](https://openindex.co.uk/southend-on-sea), [Basildon](https://openindex.co.uk/town/basildon), [Canvey Island](https://openindex.co.uk/town/canvey-island), [Wickford](https://openindex.co.uk/town/wickford), [Hockley and Hawkwell](https://openindex.co.uk/town/hockley-and-hawkwell)

## Thundersley and South Benfleet in brief

Thundersley and South Benfleet is a town in Castle Point, East of England.
About 50,596 people lived in Thundersley and South Benfleet in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £400,000 in 2025 across 861 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 47.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Thundersley and South Benfleet was £400,000 in 2025.
Thundersley and South Benfleet had 49,886 usual residents at the census.
About 0% of people in Thundersley and South Benfleet live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Thundersley and South Benfleet, 92.1% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Town
- Code: E63004808
- Constituency: [Castle Point †](https://openindex.co.uk/constituency/castle-point)
- Council: [Castle Point †](https://openindex.co.uk/castle-point)
- Region: [East of England](https://openindex.co.uk/east-of-england)
- Nation: [England](https://openindex.co.uk/england)
- Area: 12.87 km²
- People, mid-2024: 50,596*
- Neighbourhoods: 32
- Output areas: 155

* 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 and council this town mostly lies in. Its edges do not follow theirs.

## Next door

[Southend-on-Sea](https://openindex.co.uk/southend-on-sea), [Rayleigh](https://openindex.co.uk/town/rayleigh), [Basildon](https://openindex.co.uk/town/basildon), [Canvey Island](https://openindex.co.uk/town/canvey-island), [Wickford](https://openindex.co.uk/town/wickford), [Hockley and Hawkwell](https://openindex.co.uk/town/hockley-and-hawkwell)

## Latest updates for Thundersley and South Benfleet

- 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/E63004808

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/town/thundersley-and-south-benfleet, or to one figure with its anchor, https://openindex.co.uk/town/thundersley-and-south-benfleet#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/town/thundersley-and-south-benfleet