Detached
£520,000
66% above the Islip average
27.3% of sales
England and Wales / England / Northamptonshire / North Northamptonshire / East Northamptonshire / Islip
What is the average house price in Islip? £313,708
The average house price in Islip is £313,708, based on 12 homes sold in the 12 months to August 2026. Prices are down 6.6% (£22,292) on a year earlier.
- 1 year change
- −6.6%
- Sold in 12 months
- 12
- Data up to
- August 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Islip?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£205,666
34% below the Islip average
40.9% of sales
Terraced
£291,100
7% below the Islip average
31.8% of sales
Are house prices in Islip going up or down?
House prices in Islip are falling: down 6.6% (£22,292) over the past year. Over the past 10 years, prices are up 18.3% (£48,516).
Past 12 months
−6.6%
−£22,292From £336,000 to £313,708
£336,000£273,961
Past 10 years
+18.3%
+£48,516From £265,192 to £313,708
£404,535£265,192
Quick answers for Islip
9 key facts at a glance.
When did prices peak?
£1,275,000
Highest average, reached in October 2014
How many homes sold?
12
Recorded so far for the 12 months to August 2026
What sells most often?
Semi-detached houses
40.9% of recent sales
What is the most common price range?
£200k - £300k
50.0% of sales
How many people live in Islip?
798
367 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 Islip?
343
158 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 Islip?
92 m² per resident
More green space per resident than 88% of areas in England and Wales. That's about 13 football pitches for every 1,000 residents.
1.3% 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 Islip?
34 crimes
−5.6% 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 does Islip rank?
44th most expensive area of East Northamptonshire.
Compared with 56 areas
What are the most expensive homes sold in Islip?
The highest recorded sale prices in Islip, from HM Land Registry.
#1 Most expensive sale
rivermead house mill road, northamptonshire
£1,275,000
Sold October 2014
View house details
How do house prices in Islip compare with nearby areas?
Islip compared with the 6 nearest other areas in East Northamptonshire.
Islip vs Thrapston
- Islip
- £313,708
- Thrapston
- £299,703−£14,005
Open comparison
Islip vs Lowick
- Islip
- £313,708
- Lowick
- £567,500+£253,792
Open comparison
Islip vs Woodford
- Islip
- £313,708
- Woodford
- £284,013−£29,695
Open comparison
Islip vs Denford
- Islip
- £313,708
- Denford
- £375,000+£61,292
Open comparison
Islip vs Twywell
- Islip
- £313,708
- Twywell
- £306,250−£7,458
Open comparison
Islip vs Ringstead
- Islip
- £313,708
- Ringstead
- £300,260−£13,448
Open comparison
Thinking of buying in Islip?
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 00:30 with the latest Land Registry data (August 2026). The Islip dataset covers 33 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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