Detached
£524,500
50% above the Castlethorpe average
45.7% of sales
What is the average house price in Castlethorpe? £349,147
The average house price in Castlethorpe is £349,147, based on 17 homes sold in the 12 months to February 2026. Prices are down 8.0% (£30,353) on a year earlier.
- 1 year change
- −8.0%
- Sold in 12 months
- 17
- Data up to
- February 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Castlethorpe?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£235,500
33% below the Castlethorpe average
28.6% of sales
Terraced
£338,250
3% below the Castlethorpe average
17.1% of sales
Flats
£195,666
44% below the Castlethorpe average
8.6% of sales
Are house prices in Castlethorpe going up or down?
House prices in Castlethorpe are falling: down 8.0% (£30,353) over the past year. Over the past 10 years, prices are down 9.8% (£38,103).
Past 12 months
−8.0%
−£30,353From £379,500 to £349,147
£417,176£328,973
Past 10 years
−9.8%
−£38,103From £387,250 to £349,147
£419,811£303,884
Quick answers for Castlethorpe
8 key facts at a glance.
When did prices peak?
£720,000
Highest average, reached in March 2008
How many homes sold?
17
In the last 12 months+6.3% year on year
What sells most often?
Detached houses
45.7% of recent sales
What is the most common price range?
£300k - £400k
40.0% of sales
How many people live in Castlethorpe?
1,109
283 people per square mile · High (Census 2021)
Population density is High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Castlethorpe?
466
119 households per square mile · High (Census 2021)
Household density is High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Castlethorpe?
43 m² per resident
More green space per resident than 67% of areas in England and Wales. That's about 6 football pitches for every 1,000 residents.
0.5% 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.
How does Castlethorpe rank?
37th most expensive area of City of Milton Keynes.
Compared with 51 areas
What are the most expensive homes sold in Castlethorpe?
The highest recorded sale prices in Castlethorpe, from HM Land Registry.
How do house prices in Castlethorpe compare with nearby areas?
Castlethorpe compared with the 6 nearest other areas in City of Milton Keynes.
Castlethorpe vs Hanslope
- Castlethorpe
- £349,147
- Hanslope
- £413,521+£64,374
Open comparison
Castlethorpe vs Haversham-cum-Little Linford
- Castlethorpe
- £349,147
- Haversham-cum-Little Linford
- £608,285+£259,138
Open comparison
Castlethorpe vs Wolverton and Greenleys
- Castlethorpe
- £349,147
- Wolverton and Greenleys
- £294,807−£54,340
Open comparison
Castlethorpe vs Stony Stratford
- Castlethorpe
- £349,147
- Stony Stratford
- £356,446+£7,299
Open comparison
Castlethorpe vs New Bradwell
- Castlethorpe
- £349,147
- New Bradwell
- £290,160−£58,987
Open comparison
Castlethorpe vs Gayhurst
- Castlethorpe
- £349,147
- Gayhurst
- £1,025,000+£675,853
Open comparison
Thinking of buying in Castlethorpe?
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.
Last updated 7 October 2026 at 03:22 with the latest Land Registry data (February 2026). The Castlethorpe dataset covers 49 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.