# Treorchy

West Rhondda Cynon Taf. 7,621 people (mid-2024 estimate) in 13 square kilometres.

Treorchy had 7,648 usual residents at the census (ONS Census 2021).

Middle area. Code W02000261. In: [Wales](https://openindex.co.uk/wales) › [Rhondda Cynon Taf](https://openindex.co.uk/rhondda-cynon-taf)

## Key figures

- **Median sale price: £137,000** (2025). The median price paid for a home in Treorchy was £137,000 in 2025. Joint 337th cheapest of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/rhondda-cynon-taf/treorchy#f-house-sales-median-price
- **Population: 7,648** (2021). Treorchy had 7,648 usual residents at the census (ONS Census 2021). Joint 4,161st 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/rhondda-cynon-taf/treorchy#f-population
- **People in radon Affected Area squares: 52%** (2022). About 52% of people in Treorchy 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/rhondda-cynon-taf/treorchy#f-radon-affected-share
- **Gigabit broadband coverage: 93.1%** (January 2026). In Treorchy, 93.1% 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/rhondda-cynon-taf/treorchy#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=W02000261) (Worked out by Open Index · 2022): About 52% of people in Treorchy 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=W02000261) (Worked out by Open Index · 2025): 103 homes were sold in Treorchy in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=W02000261) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Treorchy.
- [Population by middle area](https://openindex.co.uk/map/population?place=W02000261) (Census 2021, England and Wales): Treorchy had 7,648 usual residents at the census.

## Recorded crime in Treorchy

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Treorchy at a rate of 86.9 per 1,000 people.
That compares with 86.2 per 1,000 people across Rhondda Cynon Taf.
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 | 271 |
| Other crime | 131 |
| Anti-social behaviour | 116 |
| Shoplifting | 52 |
| Criminal damage and arson | 41 |
| Vehicle crime | 24 |
| Burglary | 11 |
| Drug offences | 8 |
| Robbery | 4 |
| Theft from the person | 4 |

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

## How Treorchy compares

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

| Measure | Treorchy | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £137,000 | joint 13th cheapest | 31 middle areas, Rhondda Cynon Taf · 2025 |
| Population | 7,648 | 14th most populated | 31 middle areas, Rhondda Cynon Taf · 2021 |
| People in radon Affected Area squares | 52% | 4th fewest people in radon Affected Areas | 31 middle areas, Rhondda Cynon Taf · 2022 |
| Gigabit broadband coverage | 93.1% | 11th highest | 31 middle areas, Rhondda Cynon Taf · Jan 2026 |

## Is Treorchy safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Treorchy at a rate of 86.9 per 1,000 people.
That compares with 86.2 per 1,000 people across Rhondda Cynon Taf.
Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.
In August 2026 alone, 61 cases of crime and anti-social behaviour were recorded in Treorchy.
In the 12 months to August 2026, the most common types were violence and sexual offences (271), other crime (131) and anti-social behaviour (116).
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 Rhondda Cynon Taf

These figures are published for the whole of Rhondda Cynon Taf, not for each middle area, so they describe all of Rhondda Cynon Taf and not Treorchy alone. [See Rhondda Cynon Taf](https://openindex.co.uk/rhondda-cynon-taf)

- **Average house price: £165,213** (August 2026). Rhondda Cynon Taf’s average house price was £165,213 in August 2026 (HM Land Registry). Up 4.9% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £34,837** (2025). Full-time workers living in Rhondda Cynon Taf earned a median of £34,837 in 2025 (ONS earnings survey). 56th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 4.7×** (2025). A home in Rhondda Cynon Taf costs 4.7 times local full-time pay. Joint 33rd most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Population estimate: 241,015** (2025). Rhondda Cynon Taf’s population was an estimated 241,015 in mid-2025 (ONS population estimates). Down 0.3% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## Treorchy in brief

The median price paid for a home in Treorchy was £137,000 in 2025.
Treorchy had 7,648 usual residents at the census.
About 52% of people in Treorchy live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Treorchy, 93.1% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: W02000261
- Ward: [Treorchy †](https://openindex.co.uk/rhondda-cynon-taf/ward/treorchy)
- Constituency: [Rhondda and Ogmore †](https://openindex.co.uk/constituency/rhondda-and-ogmore)
- Council: [Rhondda Cynon Taf](https://openindex.co.uk/rhondda-cynon-taf)
- Nation: [Wales](https://openindex.co.uk/wales)
- Area: 13.32 km²
- People, mid-2024: 7,621*
- Neighbourhoods: 5
- Output areas: 27

* 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

[Treherbert](https://openindex.co.uk/rhondda-cynon-taf/treherbert), [Pentre](https://openindex.co.uk/rhondda-cynon-taf/pentre), [Ferndale & Maerdy](https://openindex.co.uk/rhondda-cynon-taf/ferndale-and-maerdy), [Nant-y-moel, Ogmore Vale & Blackmill](https://openindex.co.uk/bridgend/nant-y-moel-ogmore-vale-and-blackmill), [Aberdulais, Resolven & Afan Valley](https://openindex.co.uk/neath-port-talbot/aberdulais-resolven-and-afan-valley)

## Latest updates for Treorchy

- 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/W02000261

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/rhondda-cynon-taf/treorchy, or to one figure with its anchor, https://openindex.co.uk/rhondda-cynon-taf/treorchy#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/rhondda-cynon-taf/treorchy