Detached
£694,346
17% above the Hartley average
56.7% of sales
What is the average house price in Hartley? £591,799
The average house price in Hartley is £591,799, based on 63 homes sold in the 12 months to September 2026. Prices are up 3.9% (£22,110) on a year earlier.
- 1 year change
- +3.9%
- Sold in 12 months
- 63
- 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 Hartley?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£536,909
9% below the Hartley average
15.6% of sales
Terraced
£345,000
42% below the Hartley average
15.6% of sales
Flats
£266,781
55% below the Hartley average
12.1% of sales
Are house prices in Hartley going up or down?
House prices in Hartley are rising: up 3.9% (£22,110) over the past year. Over the past 10 years, prices are up 17.5% (£88,046).
Past 12 months
+3.9%
+£22,110From £569,689 to £591,799
£592,680£559,413
Past 10 years
+17.5%
+£88,046From £503,753 to £591,799
£633,243£485,551
Quick answers for Hartley
11 key facts at a glance.
When did prices peak?
£1,261,666
Highest average, reached in February 2024
How many homes sold?
63
Recorded so far for the 12 months to September 2026
What sells most often?
Detached houses
56.7% of recent sales
What is the most common price range?
£500k - £1m
60.3% of sales
How many people live in Hartley?
5,393
2,536 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 Hartley?
2,242
1,054 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 Hartley?
24 m² per resident
Less green space per resident than 61% of areas in England and Wales. That's about 3.4 football pitches for every 1,000 residents.
2.4% 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 Hartley?
30 crimes per 1,000 residents
Very Low · −20.0% on the previous year · 12 months to September 2026
Crime rate is Very Low, 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 many listed buildings are in Hartley?
18 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 · 1 Grade I · Source: Historic England
What's the air quality in Hartley?
NO₂ 9.0 µg/m³
High for England and Wales · PM2.5 8.3 µg/m³ (Very High) · 2025 annual average
NO₂ level is High, 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 Hartley rank?
20th most expensive area of Sevenoaks.
Compared with 30 areas with sales in the last 12 months
What are the most expensive homes sold in Hartley?
The highest recorded sale prices in Hartley, from HM Land Registry.
How do house prices in Hartley compare with nearby areas?
Hartley compared with the 6 nearest other areas in Sevenoaks.
Hartley vs Fawkham
- Hartley
- £591,799
- Fawkham
- £922,500+£330,701
Open comparison
Hartley vs Ash-cum-Ridley
- Hartley
- £591,799
- Ash-cum-Ridley
- £379,658−£212,141
Open comparison
Hartley vs Horton Kirby and South Darenth
- Hartley
- £591,799
- Horton Kirby and South Darenth
- £290,858−£300,941
Open comparison
Hartley vs West Kingsdown
- Hartley
- £591,799
- West Kingsdown
- £543,828−£47,971
Open comparison
Hartley vs Farningham
- Hartley
- £591,799
- Farningham
- £597,975+£6,176
Open comparison
Hartley vs Eynsford
- Hartley
- £591,799
- Eynsford
- £523,703−£68,096
Open comparison
Thinking of buying in Hartley?
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 01:35 with the latest Land Registry data (September 2026). The Hartley dataset covers 173 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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