# Blenheim Park

West Southend-on-Sea. 11,260 people (mid-2024 estimate) in 2.3 square kilometres.

Blenheim Park had 10,994 usual residents at the census (ONS Census 2021).

Middle area. Code E02003283. In: [East of England](https://openindex.co.uk/east-of-england) › [Southend-on-Sea](https://openindex.co.uk/southend-on-sea)

## Key figures

- **Median sale price: £383,000** (2025). The median price paid for a home in Blenheim Park was £383,000 in 2025. Joint 2,124th most expensive of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/southend-on-sea/blenheim-park#f-house-sales-median-price
- **Population: 10,994** (2021). Blenheim Park had 10,994 usual residents at the census (ONS Census 2021). 601st most populated of 9,448. 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/southend-on-sea/blenheim-park#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in Blenheim Park 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/southend-on-sea/blenheim-park#f-radon-affected-share
- **Gigabit broadband coverage: 99.1%** (January 2026). In Blenheim Park, 99.1% 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/southend-on-sea/blenheim-park#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=E02003283) (Worked out by Open Index · 2022): About 0% of people in Blenheim Park live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by middle area](https://openindex.co.uk/map/house-sales-per-year?place=E02003283) (Worked out by Open Index · 2025): 163 homes were sold in Blenheim Park in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=E02003283) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Blenheim Park.
- [Population by middle area](https://openindex.co.uk/map/population?place=E02003283) (Census 2021, England and Wales): Blenheim Park had 10,994 usual residents at the census.

## Recorded crime in Blenheim Park

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Blenheim Park at a rate of 65.2 per 1,000 people.
That compares with 114.8 per 1,000 people across Southend-on-Sea.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

| Kind of crime, 12 months to August 2026 | Count |
| --- | --- |
| Violence and sexual offences | 323 |
| Other crime | 105 |
| Anti-social behaviour | 88 |
| Burglary | 61 |
| Vehicle crime | 61 |
| Criminal damage and arson | 48 |
| Drug offences | 33 |
| Shoplifting | 10 |
| Theft from the person | 3 |
| Robbery | 2 |

Source: police.uk, 12 months to August 2026.

## How Blenheim Park compares

Each middle area against every other middle area the measure covers.

| Measure | Blenheim Park | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £383,000 | 6th most expensive | 17 middle areas, Southend-on-Sea · 2025 |
| Population | 10,994 | 7th most populated | 17 middle areas, Southend-on-Sea · 2021 |
| People in radon Affected Area squares | 0% | – | 17 middle areas, Southend-on-Sea · 2022 |
| Gigabit broadband coverage | 99.1% | joint 4th highest | 17 middle areas, Southend-on-Sea · Jan 2026 |

## Is Blenheim Park safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Blenheim Park at a rate of 65.2 per 1,000 people.
That compares with 114.8 per 1,000 people across Southend-on-Sea.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 64 cases of crime and anti-social behaviour were recorded in Blenheim Park.
In the 12 months to August 2026, the most common types were violence and sexual offences (323), other crime (105) and anti-social behaviour (88).
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.

## Figures for the whole of Southend-on-Sea

These figures are published for the whole of Southend-on-Sea, not for each middle area, so they describe all of Southend-on-Sea and not Blenheim Park alone. [See Southend-on-Sea](https://openindex.co.uk/southend-on-sea)

- **Average house price: £326,132** (August 2026). Southend-on-Sea’s average house price was £326,132 in August 2026 (HM Land Registry). No change in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £41,554** (2025). Full-time workers living in Southend-on-Sea earned a median of £41,554 in 2025 (ONS earnings survey). 106th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 7.8×** (2025). A home in Southend-on-Sea costs 7.8 times local full-time pay. Joint 140th least affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Deprivation score: 24.0** (2025). Southend-on-Sea has a deprivation score of 24.0 in the English Indices of Deprivation 2025 (MHCLG). Joint 89th most deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Blenheim Park in brief

The median price paid for a home in Blenheim Park was £383,000 in 2025.
Blenheim Park had 10,994 usual residents at the census.
About 0% of people in Blenheim Park live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Blenheim Park, 99.1% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: E02003283
- Ward: [Blenheim Park †](https://openindex.co.uk/southend-on-sea/ward/blenheim-park)
- Constituency: [Southend West and Leigh †](https://openindex.co.uk/constituency/southend-west-and-leigh)
- Council: [Southend-on-Sea](https://openindex.co.uk/southend-on-sea)
- Region: [East of England](https://openindex.co.uk/east-of-england)
- Nation: [England](https://openindex.co.uk/england)
- Area: 2.26 km²
- People, mid-2024: 11,260*
- Neighbourhoods: 7
- Output areas: 33

* People: worked out by Open Index by adding up the neighbourhood estimates inside this area.
† Best fit: the ward and constituency this middle area mostly lies in. Its edges do not follow theirs.

## Next door

[Prittlewell](https://openindex.co.uk/southend-on-sea/prittlewell), [Belfairs](https://openindex.co.uk/southend-on-sea/belfairs), [Westborough](https://openindex.co.uk/southend-on-sea/westborough), [Leigh](https://openindex.co.uk/southend-on-sea/leigh), [Chalkwell](https://openindex.co.uk/southend-on-sea/chalkwell), [Eastwood](https://openindex.co.uk/southend-on-sea/eastwood)

## Latest updates for Blenheim Park

- 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/E02003283

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/southend-on-sea/blenheim-park, or to one figure with its anchor, https://openindex.co.uk/southend-on-sea/blenheim-park#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/southend-on-sea/blenheim-park