Trelewis on the map

Trelewis built-up area

Built-up area0.6 km² (0.2 sq mi)

Location in Merthyr TydfilTrelewis sits where the marker shows within the county.

14,512
Population
5,916
Households
12
Schools nearby
£43,814
Avg. household income
282
Businesses
610
People per km²
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About Trelewis

Trelewis is a village located in the Merthyr Tydfil county borough of Wales, within the postcode area CF46. It is situated near the River Taff and is part of the historic county of Glamorgan. The village is primarily residential, with a mix of housing styles that reflect its development over the years. Trelewis has local amenities including shops and community facilities, catering to the needs of its residents.

The area surrounding Trelewis offers opportunities for outdoor activities, with nearby access to walking paths and green spaces. The village is well-connected by road, making it relatively easy to reach neighbouring towns and attractions. Trelewis serves as a convenient base for those wishing to explore the wider region of South Wales, including the scenic landscapes of the Brecon Beacons National Park.

School Ratings in Trelewis

Families in Trelewis have access to 70 local schools.

House Prices in Trelewis

Homes sell for an average of £158K locally. Most of the housing is made up of terraced houses, averaging £106K.

Crime and Anti-Social Behaviour in Trelewis

Crime in the area is broadly in line with the national average. Anti-social behaviour is the leading concern across Trelewis, with 16 incidents recorded in May 2026.

Healthcare in Trelewis

There are 6 GP surgeries within three miles of Trelewis, the nearest being Treharris Primary Care Centre (0.4 miles away).

Property Prices 1,793 sales

Average Price £158K
£2K , £1.65M
Detached £289K 320
Semi £164K 458
Terraced £106K 923
Flat £133K 5

Household Income in Trelewis ONS 2023

The average total household income in Trelewis is approximately £43,814 a year before tax, 21% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £34,131. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Trelewis £43,814
England & Wales avg. £55,302

Net (after tax) household income averages £34,131.

Businesses in Trelewis ONS 2025

There are approximately 282 active businesses based in Trelewis, around 19 for every 1,000 residents. The local economy is dominated by small firms: about 90% are micro-businesses employing fewer than 10 people, while 5 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

282 Total businesses
19 Per 1,000 residents
Micro, 0-9 90%
Small, 10-49 7%
Medium, 50-249 1%
Large, 250+ 2%

Crime in Trelewis 92 crimes · May 2026

Average Crime Area

Crime in Trelewis is around the national average, with violence & sexual offences representing the most common offence type. These figures are characteristic of a small town with an active centre and diverse population, and are neither unusually high nor particularly low.

Violence & Sexual Offences 43
Anti-Social Behaviour 16
Public Order 9
Other Theft 6
Burglary 5
Vehicle Crime 4
Criminal Damage & Arson 3
Weapons 2
Other Crime 2
Drugs 1
Shoplifting 1
Local Policing
South Wales Bedlinog and Trelewis Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 6 stations

Quakers Yard Train Station 1.3 miles
Abercynon Train Station 2.2 miles
Merthyr Vale Train Station 2.2 miles
Penrhiwceiber Train Station 2.8 miles
Pengam Train Station 2.8 miles
Ystrad Mynach Train Station 2.9 miles

Location

Local Government

District Merthyr Tydfil
Ward Treharris
Constituency Merthyr Tydfil and Rhymney
Parish Treharris

Home Ownership in Trelewis

Of the 6,314 households in and around Trelewis, 73% are owned, 13% are socially rented and 14% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 73% Social rented 13% Private rented 14%

Tenure from the 2021 Census (ONS), for the postcode districts covering Trelewis.

Frequently Asked Questions about Trelewis

What is the population of Trelewis?
Trelewis has a population of approximately 14,512 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Trelewis?
The average property in and around Trelewis sold for about £157,778, based on HM Land Registry Price Paid records. That is around 55% below the England and Wales average of £349,091.
What postcodes cover Trelewis?
Trelewis is covered by the CF46 postcode district.
How many schools are there in Trelewis?
There are 12 schools within easy reach of Trelewis, spanning primary, secondary and other phases.
Where is the nearest train station to Trelewis?
The nearest railway station to Trelewis is Quakers Yard Train Station, about 1.3 miles away.