# Blackwood Town in Caerphilly, Wales. Blackwood is a town in Caerphilly, Wales. Median sale price £195,000 in 2025. Recorded crime 146.8 per 1,000 people. About 12,608 people. Town. Code W45000480. In: [Towns](https://openindex.co.uk/places/towns) › [Caerphilly](https://openindex.co.uk/caerphilly) Blackwood is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Blackwood 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: £195,000** (2025). The median price paid for a home in Blackwood was £195,000 in 2025. Joint 207th cheapest 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/blackwood#f-house-sales-median-price - **Population: 12,621** (2021). Blackwood had 12,621 usual residents at the census (ONS Census 2021). 384th least 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/blackwood#f-population - **People in radon Affected Area squares: 93%** (2022). About 93% of people in Blackwood 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/blackwood#f-radon-affected-share - **Gigabit broadband coverage: 94.5%** (January 2026). In Blackwood, 94.5% 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/blackwood#f-gigabit-coverage ## On the map - [Radon Affected Area by town](https://openindex.co.uk/map/radon-affected-areas#place=W45000480) (Worked out by Open Index · 2022): About 93% of people in Blackwood 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=W45000480) (Worked out by Open Index · 2025): 179 homes were sold in Blackwood in 2025. - [Crime and ASB by town](https://openindex.co.uk/map/recorded-crime#place=W45000480) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Blackwood. - [Population by town](https://openindex.co.uk/map/population#place=W45000480) (Census 2021, England and Wales): Blackwood had 12,621 usual residents at the census. ## How Blackwood compares Each town against every other town the measure covers. | Measure | Blackwood | Rank | Compared with | | --- | --- | --- | --- | | Median sale price | £195,000 | joint 35th most expensive | 76 towns, Wales · 2025 | | Population | 12,621 | 33rd least populated | 76 towns, Wales · 2021 | | People in radon Affected Area squares | 93% | 27th fewest people in radon Affected Areas | 76 towns, Wales · 2022 | | Gigabit broadband coverage | 94.5% | joint 30th highest | 76 towns, Wales · Jan 2026 | ## Is Blackwood safe? What police records show In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Blackwood at a rate of 146.8 per 1,000 people. That compares with 96.7 per 1,000 people across Wales. In August 2026 alone, 205 cases of crime and anti-social behaviour were recorded in Blackwood. In the 12 months to August 2026, the most common types were violence and sexual offences (658), anti-social behaviour (350) and other crime (309). A year earlier, the recorded crime rate in Blackwood was 148.3 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 Blackwood, neighbourhood by neighbourhood - Deprivation is ranked by neighbourhood, so Blackwood has no single figure. Of its 8 neighbourhoods with a rank: - Decile 2: 3 neighbourhoods - Decile 6: 2 neighbourhoods - Decile 9: 3 neighbourhoods Source: Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales. ## Neighbourhoods in Blackwood | Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband | | --- | --- | --- | --- | --- | | [Caerphilly 005C](https://openindex.co.uk/caerphilly/neighbourhood/w01001347) | 1,501 | 104.8 per 1,000 | 6 | 98.3% | | [Caerphilly 005D](https://openindex.co.uk/caerphilly/neighbourhood/w01001351) | 1,393 | 56.9 per 1,000 | 9 | 97.2% | | [Caerphilly 007A](https://openindex.co.uk/caerphilly/neighbourhood/w01001352) | 1,748 | 141.0 per 1,000 | 2 | 99.7% | | [Caerphilly 007B](https://openindex.co.uk/caerphilly/neighbourhood/w01001353) | 1,531 | 161.3 per 1,000 | 2 | 97.5% | | [Caerphilly 009A](https://openindex.co.uk/caerphilly/neighbourhood/w01001348) | 1,757 | 127.0 per 1,000 | 2 | 94.1% | | [Caerphilly 009B](https://openindex.co.uk/caerphilly/neighbourhood/w01001349) | 1,717 | 72.4 per 1,000 | 9 | 99.7% | | [Caerphilly 009C](https://openindex.co.uk/caerphilly/neighbourhood/w01001350) | 1,736 | 346.6 per 1,000 | 6 | 81.6% | | [Caerphilly 009D](https://openindex.co.uk/caerphilly/neighbourhood/w01001392) | 1,934 | 63.3 per 1,000 | 9 | 89.9% | ## Your MP - [Newport West and Islwyn](https://openindex.co.uk/constituency/newport-west-and-islwyn): Ruth Jones (Labour), 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 [Caerphilly](https://openindex.co.uk/caerphilly) ## Postcode districts covering Blackwood [NP12](https://openindex.co.uk/postcode/np12) ## Middle areas in Blackwood [Blackwood](https://openindex.co.uk/caerphilly/blackwood) ## Towns near Blackwood [Pontllanfraith](https://openindex.co.uk/town/pontllanfraith), [Bargod](https://openindex.co.uk/town/bargod), [Ystrad Mynach](https://openindex.co.uk/town/ystrad-mynach), [Newbridge](https://openindex.co.uk/town/newbridge), [Risca](https://openindex.co.uk/town/risca), [Abertillery](https://openindex.co.uk/town/abertillery) ## Blackwood in brief Blackwood is a town in Caerphilly, Wales. About 12,608 people lived in Blackwood in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £195,000 in 2025 across 179 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 146.8 per 1,000 people in the 12 months to August 2026 (police.uk). The median price paid for a home in Blackwood was £195,000 in 2025. Blackwood had 12,621 usual residents at the census. About 93% of people in Blackwood live in a 1 km square that the radon atlas marks as a radon Affected Area. In Blackwood, 94.5% of homes and businesses could get gigabit-capable broadband in January 2026. ## About - Type: Town - Code: W45000480 - Constituency: [Newport West and Islwyn †](https://openindex.co.uk/constituency/newport-west-and-islwyn) - Council: [Caerphilly †](https://openindex.co.uk/caerphilly) - Nation: [Wales](https://openindex.co.uk/wales) - Area: 3.16 km² - People, mid-2024: 12,608* - Neighbourhoods: 8 - Output areas: 41 * 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 [Pontllanfraith](https://openindex.co.uk/town/pontllanfraith), [Bargod](https://openindex.co.uk/town/bargod), [Ystrad Mynach](https://openindex.co.uk/town/ystrad-mynach), [Newbridge](https://openindex.co.uk/town/newbridge), [Risca](https://openindex.co.uk/town/risca), [Abertillery](https://openindex.co.uk/town/abertillery) ## Latest updates for Blackwood - 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/W45000480 ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/town/blackwood, or to one figure with its anchor, https://openindex.co.uk/town/blackwood#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 2026.10.10. The HTML page: https://openindex.co.uk/town/blackwood