Detached
£253,184
54% above the Thornley average
31.9% of sales
What is the average house price in Thornley? £164,854
The average house price in Thornley is £164,854, based on 35 homes sold in the 12 months to September 2026. Prices are up 44.6% (£50,875) on a year earlier.
- 1 year change
- +44.6%
- Sold in 12 months
- 35
- 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 Thornley?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£145,458
12% below the Thornley average
37.2% of sales
Terraced
£80,458
51% below the Thornley average
30.9% of sales
Are house prices in Thornley going up or down?
House prices in Thornley are rising: up 44.6% (£50,875) over the past year. Over the past 10 years, prices are up 61.9% (£63,029).
Past 12 months
+44.6%
+£50,875From £113,979 to £164,854
£165,386£113,979
Past 10 years
+61.9%
+£63,029From £101,825 to £164,854
£164,854£96,716
Quick answers for Thornley
9 key facts at a glance.
When did prices peak?
£455,000
Highest average, reached in February 2026
How many homes sold?
35
Recorded so far for the 12 months to September 2026
What sells most often?
Semi-detached houses
37.2% of recent sales
What is the most common price range?
£50k - £100k
31.9% of sales
How many people live in Thornley?
2,535
1,402 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 Thornley?
1,159
641 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 Thornley?
48 m² per resident
More green space per resident than 72% of areas in England and Wales. That's about 6.7 football pitches for every 1,000 residents.
2.6% 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 Thornley?
80 crimes per 1,000 residents
Very High · −13.9% 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 Thornley rank?
83rd most expensive area of County Durham.
Compared with 133 areas
What are the most expensive homes sold in Thornley?
The highest recorded sale prices in Thornley, from HM Land Registry.
How do house prices in Thornley compare with nearby areas?
Thornley compared with the 6 nearest other areas in County Durham.
Thornley vs Wheatley Hill
- Thornley
- £164,854
- Wheatley Hill
- £103,586−£61,268
Open comparison
Thornley vs Shadforth
- Thornley
- £164,854
- Shadforth
- £119,634−£45,220
Open comparison
Thornley vs Trimdon Foundry
- Thornley
- £164,854
- Trimdon Foundry
- £81,548−£83,306
Open comparison
Thornley vs Kelloe
- Thornley
- £164,854
- Kelloe
- £134,681−£30,173
Open comparison
Thornley vs Shotton
- Thornley
- £164,854
- Shotton
- £125,261−£39,593
Open comparison
Thornley vs Haswell
- Thornley
- £164,854
- Haswell
- £139,849−£25,005
Open comparison
Thinking of buying in Thornley?
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 00:27 with the latest Land Registry data (September 2026). The Thornley dataset covers 95 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
About·Data methodology·Buying checklist·Privacy and cookies·YouTube