Be the first Estate
Agent here!







According to the public record, 20A, Old Downs, Longfield is a modern house with 2,142 ft2 of internal area and sits on a 430 m2 plot.
Houses of this size in this area normally have 5 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 20A, Old Downs, Longfield is £1,037,231 and the estimated rental value is £3,662 per month.
Old Downs, Hartley, Longfield, DA3 is located in the borough of Sevenoaks within the DA3 postal district.
20A, Old Downs, Longfield has no records in the the Land Registry and a single entry in the EPC database dated July 2021.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 20A, Old Downs, Longfield is in very good condition we estimate a sale value of £1,089,093 and a rental value of £3,845 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £964,625 and a rental value of £3,406 per month.
Over the last 12 months the sale value of 20A Old Downs Longfield has decreased by an estimated £3,663 (0.4%) and its rental value has increased by an estimated £81 per month (2.2%), giving an expected gross yield of 4.2%.
According to data from HM Land Registry, 20A, Old Downs, Longfield sits on a plot of 430m2.
We have plot size data on 21 out of 26 other houses in the postcode and 20A, Old Downs, Longfield sits on the 20th largest plot.
20A, Old Downs, Longfield has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Jul 2021.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and underfloor heating, mains gas.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 20A, Old Downs, Longfield within a radius of 890 metres over the last 2 years.
The most recent example is 20B, Old Downs, Longfield, DA3 7AA, a freehold house which sold for £1,200,000 on the 22nd July 2025.
Read more about house prices in DA3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Old Downs, Hartley, Longfield, DA3 has a total of 26 addresses. According to our analysis of all the public data, 20A, Old Downs, Longfield is the 3rd largest and the 2nd most expensive property on the street.
When compared to the postcode district it is £527k more expensive than the average property in DA3.
The closest station to 20A, Old Downs, Longfield is Longfield station which is 900 metres away.
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around 20A, Old Downs, Longfield, 55.9% of property is privately owned outright and 37.8% is privately owned with a mortgage.
The graph below shows how this compares to South East and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 20A, Old Downs, Longfield, 19.5% of residents are recorded as possessing school level qualifications and 31.5% as possessing degree level qualifications.
The graph below shows how this compares to South East and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 20A, Old Downs, Longfield, the average age was 48.6 and the most common age was 72.
The graph below shows how this compares to South East and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 20A, Old Downs, Longfield, 0.0% of property was a second home.
Comparison figures for South East and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 20A, Old Downs, Longfield, there are an average of 1.8 cars per household.
See below for how this compares to South East and the rest of England & Wales.