Detached
£335,000
About the Trewen average
75.0% of sales
What is the average house price in Trewen? £335,000
The average house price in Trewen is £335,000, based on 1 home sold in the 12 months to September 2026. Prices are down 29.2% (£138,333) on a year earlier.
- 1 year change
- −29.2%
- Sold in 12 months
- 1
- 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 Trewen?
Average sold price by property type, and each type's share of recent sales.
Are house prices in Trewen going up or down?
House prices in Trewen are falling: down 29.2% (£138,333) over the past year. Over the past 10 years, prices are up 79.1% (£148,000).
Past 12 months
−29.2%
−£138,333From £473,333 to £335,000
£530,000£335,000
Past 10 years
+79.1%
+£148,000From £187,000 to £335,000
£765,000£155,000
Quick answers for Trewen
11 key facts at a glance.
When did prices peak?
£765,000
Highest average, reached in June 2024
How many homes sold?
1
Recorded so far for the 12 months to September 2026
What sells most often?
Detached houses
75.0% of recent sales
What is the most common price range?
£400k - £500k
50.0% of sales
How many people live in Trewen?
130
83 people per square mile · Low (Census 2021)
Population density is Low, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Trewen?
62
40 households per square mile · Low (Census 2021)
Household density is Low, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Trewen?
29 m² per resident
Less green space per resident than 52% of areas in England and Wales. That's about 4.1 football pitches for every 1,000 residents.
0.1% of the area · 0 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 Trewen?
4 crimes
0.0% on the previous year · 12 months to September 2026
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How many listed buildings are in Trewen?
11 listed buildings
0.0% of homes are in a conservation area, a lower share than almost every area in England and Wales.
0 conservation areas · 0 Grade I · Source: Historic England
What's the air quality in Trewen?
NO₂ 2.7 µg/m³
Very Low for England and Wales · PM2.5 5.0 µg/m³ (Very Low) · 2025 annual average
NO₂ level is Very Low, on a scale from Very Low to Very High.
Background levels where residents live, not beside busy roads. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
How does Trewen rank?
122nd most expensive area of Cornwall.
Compared with 199 areas with sales in the last 12 months
What are the most expensive homes sold in Trewen?
The highest recorded sale prices in Trewen, from HM Land Registry.
How do house prices in Trewen compare with nearby areas?
Trewen compared with the 6 nearest other areas in Cornwall.
Trewen vs Laneast
- Trewen
- £335,000
- Laneast
- £387,475+£52,475
Open comparison
Trewen vs Egloskerry
- Trewen
- £335,000
- Egloskerry
- £300,464−£34,536
Open comparison
Trewen vs Lewannick
- Trewen
- £335,000
- Lewannick
- £239,650−£95,350
Open comparison
Trewen vs St. Thomas the Apostle Rural
- Trewen
- £335,000
- St. Thomas the Apostle Rural
- £277,732−£57,268
Open comparison
Trewen vs South Petherwin
- Trewen
- £335,000
- South Petherwin
- £302,994−£32,006
Open comparison
Trewen vs Tresmeer
- Trewen
- £335,000
- Tresmeer
- No recent sales—
Open comparison
Thinking of buying in Trewen?
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. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. © Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. Source: planning.data.gov.uk, Open Government Licence v3.0. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
Last updated 11 November 2026 at 01:18 with the latest Land Registry data (September 2026). The Trewen dataset covers 6 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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