Detached
£919,400
23% above the Thornham average
60.9% of sales
What is the average house price in Thornham? £750,250
The average house price in Thornham is £750,250, based on 8 homes sold in the 12 months to May 2026. Prices are down 18.1% (£166,050) on a year earlier.
- 1 year change
- −18.1%
- Sold in 12 months
- 8
- Data up to
- May 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Thornham?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£377,500
50% below the Thornham average
17.4% of sales
Terraced
£650,000
13% below the Thornham average
21.7% of sales
Are house prices in Thornham going up or down?
House prices in Thornham are falling: down 18.1% (£166,050) over the past year. Over the past 10 years, prices are up 39.9% (£214,106).
Past 12 months
−18.1%
−£166,050From £916,300 to £750,250
£1,037,416£750,250
Past 10 years
+39.9%
+£214,106From £536,144 to £750,250
£1,181,839£402,454
Quick answers for Thornham
9 key facts at a glance.
When did prices peak?
£1,995,000
Highest average, reached in October 2022
How many homes sold?
8
Recorded so far for the 12 months to May 2026
What sells most often?
Detached houses
60.9% of recent sales
What is the most common price range?
£500k - £1m
52.2% of sales
How many people live in Thornham?
333
63 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 Thornham?
172
32 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 Thornham?
108 m² per resident
More green space per resident than 91% of areas in England and Wales. That's about 15 football pitches for every 1,000 residents.
0.3% 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 Thornham?
13 crimes
−18.7% on the previous year · 12 months to August 2026
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Thornham rank?
5th most expensive area of King's Lynn and West Norfolk.
Compared with 101 areas
What are the most expensive homes sold in Thornham?
The highest recorded sale prices in Thornham, from HM Land Registry.
#1 Most expensive sale
thornham staithe house , king's lynn and west norfolk
£2,375,007
Sold September 2022
View house details
How do house prices in Thornham compare with nearby areas?
Thornham compared with the 6 nearest other areas in King's Lynn and West Norfolk.
Thornham vs Titchwell
- Thornham
- £750,250
- Titchwell
- £614,999−£135,251
Open comparison
Thornham vs Ringstead
- Thornham
- £750,250
- Ringstead
- £388,687−£361,563
Open comparison
Thornham vs Choseley
- Thornham
- £750,250
- Choseley
- £400,000−£350,250
Open comparison
Thornham vs Holme next the Sea
- Thornham
- £750,250
- Holme next the Sea
- £539,400−£210,850
Open comparison
Thornham vs Old Hunstanton
- Thornham
- £750,250
- Old Hunstanton
- £596,500−£153,750
Open comparison
Thornham vs Hunstanton
- Thornham
- £750,250
- Hunstanton
- £299,434−£450,816
Open comparison
Thinking of buying in Thornham?
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 05:09 with the latest Land Registry data (May 2026). The Thornham dataset covers 28 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.