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12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD

How much is 12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD worth?

Estimated value — November 2026

£540,000

Likely range £386,000 – £756,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale May 1999

36%

confidence

Low

Typically within 16% of the sale price

Property details

Detached house

Chantry Avenue · Longfield · DA3 8DD

Address

District
Sevenoaks
County
Kent
See house prices in DA3 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k20002002200420062008201020122014201620182020202220242026£540,000

Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£162,197£140,167 – £192,705
2001£180,112£153,854 – £212,002
2002£211,782£178,458 – £250,717
2003£225,622£187,599 – £270,004
2004£233,297£191,490 – £282,474
2005£239,352£194,283 – £291,944
2006£253,345£203,678 – £310,867
2007£294,675£234,454 – £364,274
2008£258,230£202,978 – £322,323
2009£267,255£207,674 – £336,617
2010£273,852£210,582 – £348,390
2011£287,181£219,542 – £368,837
2012£291,111£221,492 – £377,510
2013£303,083£229,472 – £397,339
2014£353,683£266,627 – £467,169
2015£383,631£317,051 – £477,016
2016£414,057£337,863 – £520,927
2017£431,280£347,403 – £548,926
2018£422,176£335,651 – £543,535
2019£433,326£339,981 – £564,251
2020£458,246£354,737 – £603,427
2021£491,377£375,242 – £654,268
2022£527,787£397,523 – £710,495
2023£505,868£375,720 – £688,414
2024£523,939£383,658 – £720,697
2025£537,789£388,172 – £747,642
2026£540,000£386,000 – £756,000

Sale history

1999Sold
£125,000
2026Today — estimated
+332%£540,000

Mortgage calculator

£2,898

Estimated monthly repayment

£486,000

Loan amount

£557,356

Total interest

£1,043,356

Total repayable

A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.

Related properties

About this property

12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD is a detached house on Chantry Avenue in Longfield, Kent. Stede's estimated value for November 2026 is £540,000. Four in five similar homes sold within their likely range when tested; for this property that range is £386,000 to £756,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 3 similar homes in the same postcode (25%). The confidence score is 36 out of 100 (low): estimates like this one are typically within 16% of the eventual sale price.

It last sold in May 1999 for £125,000. The current estimate is 332% higher than that price. The current owner has held it for about 27 years.

The modelled value is unchanged over the past year and up 11% over the past five years.

Among 10 nearby properties Stede tracks in the DA3 area, estimated values run from £454,000 to £660,000. This detached house's £540,000 sits toward the lower end of that range.

Common questions

How much is 12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD worth?

Stede estimates 12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD is worth £540,000 as of November 2026, within a likely range of £386,000 to £756,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.

When did 12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD last sell?

It last sold in May 1999 for £125,000.

What type of property is 12 Chantry Avenue, Hartley, Longfield, Sevenoaks, Kent, DA3 8DD?

It is recorded as a Detached house on Chantry Avenue in the DA3 postcode area.

How reliable is this estimate?

The confidence score is 36 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 16% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.

How does Stede calculate this estimate?

It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 3 similar homes in the same postcode (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.

How we got this figure

We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 1,241 real sales of similar homes.

  • Its sale in May 1999, brought up to today with the House Price Index£491,66675%
  • 3 similar homes sold recently in the same postcode£686,37625%

Estimate £540,000, likely £386,000 – £756,000

Read the full methodology and data sources →