Detached
£232,833
24% above the Trevethin average
15.7% of sales
What is the average house price in Trevethin? £187,938
The average house price in Trevethin is £187,938, based on 33 homes sold in the 12 months to August 2026. Prices are up 6.1% (£10,841) on a year earlier.
- 1 year change
- +6.1%
- Sold in 12 months
- 33
- Data up to
- August 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Trevethin?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£195,094
4% above the Trevethin average
52.9% of sales
Terraced
£164,222
13% below the Trevethin average
27.1% of sales
Are house prices in Trevethin going up or down?
House prices in Trevethin are rising: up 6.1% (£10,841) over the past year. Over the past 10 years, prices are up 38.8% (£52,489).
Past 12 months
+6.1%
+£10,841From £177,097 to £187,938
£196,704£176,321
Past 10 years
+38.8%
+£52,489From £135,449 to £187,938
£187,938£119,608
Quick answers for Trevethin
9 key facts at a glance.
When did prices peak?
£256,666
Highest average, reached in August 2025
How many homes sold?
33
Recorded so far for the 12 months to August 2026
What sells most often?
Semi-detached houses
52.9% of recent sales
What is the most common price range?
£150k - £200k
32.9% of sales
How many people live in Trevethin?
5,332
2,763 people per square mile · Very High (Census 2021)
Population density is Very High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Trevethin?
2,119
1,098 households per square mile · Very High (Census 2021)
Household density is Very High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Trevethin?
90 m² per resident
More green space per resident than 88% of areas in England and Wales. That's about 13 football pitches for every 1,000 residents.
9.6% of the area · 5 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in Trevethin?
92 crimes per 1,000 residents
Very High · −26.7% on the previous year · 12 months to September 2026
Crime rate is Very High, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Trevethin rank?
13th most expensive area of Torfaen.
Compared with 16 areas
What are the most expensive homes sold in Trevethin?
The highest recorded sale prices in Trevethin, from HM Land Registry.
How do house prices in Trevethin compare with nearby areas?
Trevethin compared with the 6 nearest other areas in Torfaen.
Trevethin vs Pontymoile
- Trevethin
- £187,938
- Pontymoile
- £186,520−£1,418
Open comparison
Trevethin vs Pen Tranch
- Trevethin
- £187,938
- Pen Tranch
- £179,837−£8,101
Open comparison
Trevethin vs Abersychan
- Trevethin
- £187,938
- Abersychan
- £208,187+£20,249
Open comparison
Trevethin vs New Inn
- Trevethin
- £187,938
- New Inn
- £253,898+£65,960
Open comparison
Trevethin vs Panteg
- Trevethin
- £187,938
- Panteg
- £212,710+£24,772
Open comparison
Trevethin vs Pontnewydd
- Trevethin
- £187,938
- Pontnewydd
- £228,204+£40,266
Open comparison
Thinking of buying in Trevethin?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:20 with the latest Land Registry data (August 2026). The Trevethin dataset covers 115 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.