Area guide · Merthyr Tydfil

Living in Treharris

A snapshot of life in Treharris, Wales — house prices, crime, schools, broadband and more, drawn straight from official UK datasets.

At a glance

Treharris is a village in Merthyr Tydfil, Wales with a population of 5,042. The average house price is £166,053.

Where Treharris ranks

Affordability
#28 of 147 cheapest towns in Wales
See full ranking →
Safety
Not currently ranked — browse the safety list →
Schools
Not currently ranked

Population

5,042

Avg House Price

£166,053

Crime Rate

N/A

Top-Two School Inspection Bands

N/A

Avg Download Speed

238 Mbps

EPC Rating

Median Income

£29,268.5

Median Age

43.2

House Prices (2025)

Average Price by Property Type (2025)

Treharris's detached homes (£351,104) command roughly 3.2× the price of a terraced (£111,168).

Price Trend (11 Years)

Treharris prices have risen 22% over the last 9 years (£135,819 → £166,053).

Property Type	Average	Median	Sales Count
Detached	£351,104	£335,500	24
Semi-Detached	£143,547	£128,975	20
Terraced	£111,168	£105,500	80
Flat	N/A	N/A	0

Crime & safety

The overall crime rate in Treharris is not available.

Crime Rate by Category (per 1,000 residents)

Schools & Education

School Inspection Breakdown

School Details

Total Schools	0
Primary	0
Secondary	0
% Top two bands	N/A

Broadband & Connectivity

Treharris averages 238 Mbps — 138% above the typical UK download speed.

Energy Efficiency & Running Costs

Most Treharris homes sit at band C on the EPC scale. 68% of homes reach band C or above.

Average EPC Rating	C
Average EPC Score	71.2
% Rated C or Above	68%
Avg Energy Cost (per year)	£1,172

Demographics & Economy

Population	5,042
Median Age	43.2
Median Household Income	£29,268.5
Employment Rate	53.9%
Owner Occupied	65%
Degree-Level Qualified	25.1%

Common questions

Frequently asked questions

What is the average house price in Treharris?

The average house price in Treharris is £166,053 based on Land Registry sales in 2025.

What is the cheapest type of property to buy in Treharris?

The most affordable entry point in Treharris is a terraced, with an average price of £111,168.

What broadband speeds are available in Treharris?

Average broadband download speeds in Treharris are around 238 Mbps. Superfast (30 Mbps+) coverage reaches 95.4% of premises.

How big is Treharris?

Treharris is a settlement in Merthyr Tydfil with a population of approximately 5,042.

Most compared with

How does Treharris stack up against its neighbours?

Aberbargoed

Treharris

House price: £177,121 · £166,053
Crime rate: 85 · N/A
Distance: 4.2 mi

Abercarn

Treharris

House price: £166,339 · £166,053
Crime rate: 84.7 · N/A
Distance: 7.6 mi

Abercynon

Treharris

House price: £161,702 · £166,053
Crime rate: N/A · N/A
Distance: 1.3 mi

Aberdare

Treharris

House price: £172,897 · £166,053
Crime rate: N/A · N/A
Distance: 7.0 mi

Abersychan

Treharris

House price: £161,481 · £166,053
Crime rate: 101.9 · N/A
Distance: 11.4 mi

Abertillery

Treharris

House price: £131,204 · £166,053
Crime rate: 156.6 · N/A
Distance: 8.9 mi

Looking for somewhere different? Browse all towns in Wales or start a fresh comparison from the homepage.