Neighbourhood · Merthyr Tydfil

Treharris & Trelewis: house prices and how the area is changing

Official figures for the Treharris & Trelewis neighbourhood of Merthyr Tydfil, Wales (ONS area Merthyr Tydfil 007). Headline figures assembled 3 October 2026. Additional local information checked 13 October 2026. Postcodes CF46. Figures that read a point use the neighbourhood's centre, near CF46 5EU.

A neighbourhood with below-average incomes, with signals pointing away from gentrification

Treharris & Trelewis is a neighbourhood with below-average incomes. But area signals point away from gentrification against Merthyr Tydfil (4 of 17 signals falling, 2 rising). Houses here typically resell for £145,000 (median resale price, 2023-2025). Recorded crime is lower than across Merthyr Tydfil (0.5 times the borough's rate) and the nearest station, Quakers Yard, is about a 16-minute walk from the neighbourhood's centre.

The neighbourhood in brief, from the figures on this page. Summary updated 13 October 2026; source dates are shown below.

Typical house price

£145,000

Median resale price of houses in the neighbourhood, 2023-2025; +26% against 2017-2019.

Source: HM Land Registry Price Paid Data

Affluence today

Below average income

How well off the neighbourhood is now, from household income, home prices and deprivation.

Source: ONS, HM Land Registry, MHCLG Indices of Deprivation

Signs of gentrification

Moving the other way

Weighted balance -0.20; 2 of 17 signals up, 4 down, against the borough.

Source: Official statistics on prices, incomes, benefits, businesses, schools and more (a full report shows every signal)

Average household income

£44,000

ONS estimate for the neighbourhood (modelled, with a margin of error).

Source: Office for National Statistics

Recorded crime

0.5 times the borough's rate

Crimes recorded by the police over 12 months (not anti-social behaviour) per resident, against the borough. Crime per resident can overstate the risk in busy centres where many people work or visit.

Source: Police.uk

Where Treharris & Trelewis sits in Merthyr Tydfil

  • Typical house price: joint 3rd highest of 7 neighbourhoods in Merthyr Tydfil
  • Average household income: 2nd highest of 7 neighbourhoods in Merthyr Tydfil

Ranked among the council's neighbourhoods by the figures on each one's own page, checked 13 October 2026: typical prices are HM Land Registry resale medians over the latest three-year window, household income the ONS's modelled estimate, with a margin of error, so neighbourhoods a place or two apart may not really differ.

Prices over time in Treharris & Trelewis

House prices: Treharris & Trelewis against Merthyr Tydfil: This neighbourhood £29k (1995) to £151k (2026); Merthyr Tydfil £30k (1995) to £145k (2026).£45k£139k2026202120162011200620011995This neighbourhood£151kMerthyr Tydfil£145k
Median resale price of houses each year here and across Merthyr Tydfil, 1995 to 2026 (HM Land Registry Price Paid Data: standard sales, new builds left out). Years with fewer than 10 sales here are left out. 2026 is the year so far (dashed).

Source: HM Land Registry Price Paid Data, held locally and checked 13 October 2026. Medians each year, not a valuation of any home.

How the area is changing, signal by signal

2 of 17 counted signals point towards rising affluence against Merthyr Tydfil, 4 the other way and 11 in line. A reading of official statistics against the borough, not a prediction; a full report shows every signal's figures and weight. Where this reading sits among every neighbourhood in England and Wales: the gentrification league table.

Rising against the borough

  • Recorded crime
  • Plug-in car growth

Falling behind the borough

  • Resale prices
  • Recent price momentum
  • Air quality
  • Benefit claims (DWP)

Stations nearby

Nearest station

  • Quakers Yard Railway station, about a 16-minute walk from the neighbourhood's centre (1.2 km in a straight line). About 4 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Aberdare (about 112 min) and Merthyr Tydfil (about 20 min).

Station locations: NaPTAN (Department for Transport). Trains: Network Rail's timetable for Tuesday 6 October 2026, with the timetabled minutes of direct trains; timetabled, not live running. Distances from the neighbourhood's centre in a straight line, walked at 4.8 km/h; the real route is longer.

Questions about Treharris & Trelewis

What is the typical house price in Treharris & Trelewis?

£145,000. Median resale price of houses in the neighbourhood, 2023-2025; +26% against 2017-2019.

How does Treharris & Trelewis compare with the rest of Merthyr Tydfil?

Typical house price: joint 3rd highest of 7 neighbourhoods in Merthyr Tydfil. Average household income: 2nd highest of 7 neighbourhoods in Merthyr Tydfil.

Is Treharris & Trelewis an affluent area?

Below average income. How well off the neighbourhood is now, from household income, home prices and deprivation.

Is Treharris & Trelewis gentrifying?

Moving the other way. Weighted balance -0.20; 2 of 17 signals up, 4 down, against the borough.

What is the nearest station to Treharris & Trelewis?

Quakers Yard. Railway station, about a 16-minute walk from the neighbourhood's centre (1.2 km in a straight line). About 4 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Aberdare (about 112 min) and Merthyr Tydfil (about 20 min).

Each answer repeats a figure shown above, with its source there.

Thinking of buying in Treharris & Trelewis?

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Nearby neighbourhoods in Merthyr Tydfil

Postcode districts

Neighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Contains public sector information (MHCLG, Police.uk, Ofsted, Department for Education) licensed under the Open Government Licence v3.0. Station locations from NaPTAN (Department for Transport), Open Government Licence v3.0. Trains: contains information of Network Rail Infrastructure Limited licensed under the Open Government Licence v3.0. Figures describe the area, not any home, and are not a valuation or a prediction.