Detached
£367,574
42% above the Bedwas, Trethomas and Machen average
26.9% of sales
What is the average house price in Bedwas, Trethomas and Machen? £258,992
The average house price in Bedwas, Trethomas and Machen is £258,992, based on 123 homes sold in the 12 months to September 2026. Prices are up 3.1% (£7,864) on a year earlier.
- 1 year change
- +3.1%
- Sold in 12 months
- 123
- Data up to
- September 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Bedwas, Trethomas and Machen?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£254,989
2% below the Bedwas, Trethomas and Machen average
39.1% of sales
Terraced
£205,614
21% below the Bedwas, Trethomas and Machen average
32.0% of sales
Flats
£113,000
56% below the Bedwas, Trethomas and Machen average
1.9% of sales
Are house prices in Bedwas, Trethomas and Machen going up or down?
House prices in Bedwas, Trethomas and Machen are rising: up 3.1% (£7,864) over the past year. Over the past 10 years, prices are up 63.6% (£100,709).
Past 12 months
+3.1%
+£7,864From £251,128 to £258,992
£271,306£251,128
Past 10 years
+63.6%
+£100,709From £158,283 to £258,992
£258,992£153,489
Quick answers for Bedwas, Trethomas and Machen
9 key facts at a glance.
When did prices peak?
£501,117
Highest average, reached in April 2000
How many homes sold?
123
Recorded so far for the 12 months to September 2026
What sells most often?
Semi-detached houses
39.1% of recent sales
What is the most common price range?
£200k - £300k
42.0% of sales
How many people live in Bedwas, Trethomas and Machen?
10,461
1,470 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 Bedwas, Trethomas and Machen?
4,471
628 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 Bedwas, Trethomas and Machen?
52 m² per resident
More green space per resident than 75% of areas in England and Wales. That's about 7.3 football pitches for every 1,000 residents.
3.0% 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 Bedwas, Trethomas and Machen?
77 crimes per 1,000 residents
Very High · −3.6% on the previous year · 12 months to August 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 Bedwas, Trethomas and Machen rank?
5th most expensive area of Caerphilly.
Compared with 26 areas
What are the most expensive homes sold in Bedwas, Trethomas and Machen?
The highest recorded sale prices in Bedwas, Trethomas and Machen, from HM Land Registry.
How do house prices in Bedwas, Trethomas and Machen compare with nearby areas?
Bedwas, Trethomas and Machen compared with the 6 nearest other areas in Caerphilly.
Bedwas, Trethomas and Machen vs Ynysddu
- Bedwas, Trethomas and Machen
- £258,992
- Ynysddu
- £194,461−£64,531
Open comparison
Bedwas, Trethomas and Machen vs Van
- Bedwas, Trethomas and Machen
- £258,992
- Van
- £260,298+£1,306
Open comparison
Bedwas, Trethomas and Machen vs Crosskeys
- Bedwas, Trethomas and Machen
- £258,992
- Crosskeys
- £165,173−£93,819
Open comparison
Bedwas, Trethomas and Machen vs Rudry
- Bedwas, Trethomas and Machen
- £258,992
- Rudry
- £341,842+£82,850
Open comparison
Bedwas, Trethomas and Machen vs Risca West
- Bedwas, Trethomas and Machen
- £258,992
- Risca West
- £209,007−£49,985
Open comparison
Bedwas, Trethomas and Machen vs Llanbradach and Pwllypant
- Bedwas, Trethomas and Machen
- £258,992
- Llanbradach and Pwllypant
- £198,969−£60,023
Open comparison
Thinking of buying in Bedwas, Trethomas and Machen?
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 4 November 2026 at 04:52 with the latest Land Registry data (September 2026). The Bedwas, Trethomas and Machen dataset covers 547 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.