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20, CHARNOCK, SWANLEY, BR8 8NL - £290,000

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The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.

20 CHARNOCK is a small extended terraced house of 90m², built sometime between 1976 and 1982, which could now be worth an estimated £574,206. It was last sold for £290,000 in October 2010, which was around 31% above the average October 2010 terraced price in the Sevenoaks local authority area. The most recent EPC inspection was June 2010, where the current energy rating was D, and the potential energy rating was C.

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20 CHARNOCK Sold Prices

Land registry data shows two sales for 20 CHARNOCK since 1st January 1995. The below table shows the price paid for the two sales, along with the average terraced price in the Sevenoaks local authority area for the corresponding sale date. Both of the two 20 CHARNOCK sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2010
11 OCT
£290,000£221,525
up arrow
31% above HPI
2003
31 MAR
£234,995£159,124
up arrow
48% above HPI

20 CHARNOCK Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Sevenoaks local authority area over time, sourced from the HPI. The two 20 CHARNOCK sales from March 2003 and October 2010 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the March 2003 sale was for 48% above the HPI. So the extrapolation line tracks at 48% above the HPI over time, until the October 2010 sale, where it falls to 31% above the HPI. The line then continues to track at 31% above the HPI.

20, CHARNOCK, SWANLEY, BR8 8NL: Price paid vs HM Land Registry's House Price Index

What might 20 CHARNOCK be worth now?

20 CHARNOCK might now be worth an estimated £574,206.

This is based on house price inflation of 98%, between October 2010 and May 2026, for terraced houses, in the Sevenoaks local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 98% inflationary increase is applied to the most recent sale price for 20 CHARNOCK of £290,000 on 11th October 2010. For the value to have increased from £290,000 to £574,206 over the sixteen years and five months to May 2026, the following assumptions must hold true:

  • The value of 20 CHARNOCK has moved in line with the HPI for terraced houses in the Sevenoaks local authority area.
  • The October 2010 sale price of £290,000 represented a fair market value for the property.
  • The size, condition, and specification of 20 CHARNOCK has not materially changed since October 2010.
Disclaimer: Please note that this is a theoretical estimate based on assumptions which may or may not be correct. It should not be relied on for any purpose.

How Large is 20 CHARNOCK?

20 CHARNOCK is 90m², which includes one extension, according to the EPC inspection conducted in June 2010. This puts it in the smallest 30% of terraced houses houses in Swanley, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Swanley, and where 20 CHARNOCK lies on this distribution: 21% of terraced houses houses are smaller than 20 CHARNOCK, and 79% of houses are larger. Note that EPC data is not available for all properties in Swanley.

20, CHARNOCK, SWANLEY, BR8 8NL: Size of property relative to terraced houses in Swanley

20 CHARNOCK: Plot and Title Map

20 CHARNOCK sits on a plot of roughly 0.080 of an acre, or 323m². The below map shows the location of 20 CHARNOCK, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 20 CHARNOCK). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.

20, CHARNOCK, SWANLEY, BR8 8NL: Plot and title map

Where is 20 CHARNOCK?

20 CHARNOCK is located in SWANLEY, in the BR8 postcode district. The below map shows the position of No. 20 on CHARNOCK.

20, CHARNOCK, SWANLEY, BR8 8NL: Location map and indicative extent of plot

All property sales on CHARNOCK

Most recent sales first:

Full data available
2026
9 JAN
£450,000
Full data available
2025
3 NOV
£475,000
Full data available
2025
10 JUN
£480,000
Full data available
2024
31 OCT
£562,000
Full data available
2024
23 SEP
£450,000
Limited data available
2024
18 JUN
£415,500
Limited data available
2024
29 MAY
£400,000
Full data available
2022
5 AUG
£467,500
Full data available
2021
28 JUN
£452,000
Limited data available
2020
26 AUG
£420,000
Full data available
2020
2 JUL
£363,000
Limited data available
2019
17 MAY
£350,000
Full data available
2018
22 NOV
£370,000
Full data available
2018
9 MAY
£360,000
Limited data available
2017
27 SEP
£280,000
Full data available
2017
1 SEP
£415,000
Limited data available
2017
23 AUG
£281,376
Full data available
2017
12 JUL
£347,500
Full data available
2017
31 MAY
£340,000
Limited data available
2017
21 MAR
£377,000
Full data available
2014
20 AUG
£285,000
Full data available
2012
6 FEB
£225,000
Full data available
2011
31 MAR
£222,500
Limited data available
2010
29 OCT
£215,000
Full data available
2010
11 OCT
£290,000
Full data available
2009
19 MAY
£227,500
Limited data available
2008
9 JAN
£248,000
Limited data available
2007
5 APR
£248,495
Limited data available
2006
17 MAR
£220,000
Full data available
2005
25 JUL
£215,000
Full data available
2005
18 MAY
£216,000
Full data available
2004
15 SEP
£217,000
Full data available
2003
18 DEC
£215,000
Limited data available
2003
22 JUL
£194,995
Full data available
2003
31 MAR
£234,995
Full data available
2002
29 NOV
£185,000
Limited data available
2002
22 NOV
£150,000
Full data available
2002
14 AUG
£173,000
Full data available
2002
27 MAR
£166,000
Full data available
2001
7 DEC
£142,000
Full data available
2001
7 NOV
£169,000
Full data available
1999
15 JUL
£112,000
Limited data available
1998
30 JUN
£100,000
Limited data available
1995
26 JUN
£78,000
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Source: HM Land Registry UK House Price Index
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use.