# Bedlinog and Trelewis

South east Merthyr Tydfil. About 3,765 people (mid-2024 estimate) in 15 square kilometres.

Bedlinog and Trelewis had 3,771 usual residents at the census (ONS Census 2021).

Ward. Code W05001616. In: [Wales](https://openindex.co.uk/wales) › [Merthyr Tydfil](https://openindex.co.uk/merthyr-tydfil)

## Key figures

- **Population: 3,771** (2021). Bedlinog and Trelewis had 3,771 usual residents at the census (ONS Census 2021). 1,746th least populated of 8,397. 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/merthyr-tydfil/ward/bedlinog-and-trelewis#f-population
- **People in radon Affected Area squares: 89%** (2022). About 89% of people in Bedlinog and Trelewis 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/merthyr-tydfil/ward/bedlinog-and-trelewis#f-radon-affected-share
- **Gigabit broadband coverage: 77.5%** (January 2026). In Bedlinog and Trelewis, 77.5% 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/merthyr-tydfil/ward/bedlinog-and-trelewis#f-gigabit-coverage
- **Claimant rate: 3.3%** (August 2026). In Bedlinog and Trelewis, 3.3% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026 (ONS via Nomis). UK 3.9%. Source: Claimant count (Nomis), August 2026. Published 15 September 2026. https://openindex.co.uk/merthyr-tydfil/ward/bedlinog-and-trelewis#f-claimant-rate

## On the map

- [Radon Affected Area by ward](https://openindex.co.uk/map/radon-affected-areas?place=W05001616) (Worked out by Open Index · 2022): About 89% of people in Bedlinog and Trelewis live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Average house price by council](https://openindex.co.uk/map/house-prices?place=W05001616) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Merthyr Tydfil. The outline is Bedlinog and Trelewis.
- [Crime and ASB by ward](https://openindex.co.uk/map/recorded-crime?place=W05001616) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Bedlinog and Trelewis.
- [Population by ward](https://openindex.co.uk/map/population?place=W05001616) (Census 2021, England and Wales): Bedlinog and Trelewis had 3,771 usual residents at the census.

## How Bedlinog and Trelewis compares

Each ward against every other ward the measure covers.

| Measure | Bedlinog and Trelewis | Rank | Compared with |
| --- | --- | --- | --- |
| Population | 3,771 | 2nd least populated | 11 wards, Merthyr Tydfil · 2021 |
| People in radon Affected Area squares | 89% | 3rd most people in radon Affected Areas | 11 wards, Merthyr Tydfil · 2022 |
| Gigabit broadband coverage | 77.5% | 4th lowest | 11 wards, Merthyr Tydfil · Jan 2026 |
| Claimant rate | 3.3% | joint 5th highest | 11 wards, Merthyr Tydfil · Aug 2026 |

## Is Bedlinog and Trelewis safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Bedlinog and Trelewis at a rate of 64.3 per 1,000 people.
That compares with 110.6 per 1,000 people across Merthyr Tydfil.
Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.
In August 2026 alone, 32 cases of crime and anti-social behaviour were recorded in Bedlinog and Trelewis.
In the 12 months to August 2026, the most common types were violence and sexual offences (109), other crime (52) and anti-social behaviour (35).
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 Merthyr Tydfil

These figures are published for the whole of Merthyr Tydfil, not for each ward, so they describe all of Merthyr Tydfil and not Bedlinog and Trelewis alone. [See Merthyr Tydfil](https://openindex.co.uk/merthyr-tydfil)

- **Average house price: £148,656** (August 2026). Merthyr Tydfil’s average house price was £148,656 in August 2026 (HM Land Registry). Down 1.0% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £35,152** (2025). Full-time workers living in Merthyr Tydfil earned a median of £35,152 in 2025 (ONS earnings survey). 67th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 4.2×** (2025). A home in Merthyr Tydfil costs 4.2 times local full-time pay. Joint 15th 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: 58,362** (2025). Merthyr Tydfil’s population was an estimated 58,362 in mid-2025 (ONS population estimates). Down 0.6% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## Bedlinog and Trelewis in brief

Bedlinog and Trelewis had 3,771 usual residents at the census.
About 89% of people in Bedlinog and Trelewis live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Bedlinog and Trelewis, 77.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In Bedlinog and Trelewis, 3.3% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.

## About

- Type: Ward
- Code: W05001616
- Constituency: [Merthyr Tydfil and Aberdare †](https://openindex.co.uk/constituency/merthyr-tydfil-and-aberdare)
- Council: [Merthyr Tydfil](https://openindex.co.uk/merthyr-tydfil)
- Nation: [Wales](https://openindex.co.uk/wales)
- Area: 15.26 km²
- People, mid-2024: 3,765*
- Neighbourhoods: 2
- Output areas: 13

* 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 this ward mostly lies in. Its edges do not follow it.

## Next door

[Darran Valley](https://openindex.co.uk/caerphilly/ward/darran-valley), [Plymouth](https://openindex.co.uk/merthyr-tydfil/ward/plymouth), [Treharris](https://openindex.co.uk/merthyr-tydfil/ward/treharris), [St Cattwg](https://openindex.co.uk/caerphilly/ward/st-cattwg), [Merthyr Vale](https://openindex.co.uk/merthyr-tydfil/ward/merthyr-vale), [Nelson](https://openindex.co.uk/caerphilly/ward/nelson)

## Latest updates for Bedlinog and Trelewis

- 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/W05001616

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/merthyr-tydfil/ward/bedlinog-and-trelewis, or to one figure with its anchor, https://openindex.co.uk/merthyr-tydfil/ward/bedlinog-and-trelewis#f-population.

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/merthyr-tydfil/ward/bedlinog-and-trelewis
