Property Data Search:

21, CLOS Y CARLWM, THORNHILL, CARDIFF, CF14 9HN - £202,500

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.

21 CLOS Y CARLWM is a very small terraced house of 55m², built sometime between 1996 and 2002, which could now be worth an estimated £231,707. It was last sold for £202,500 in December 2021, which was around 9% below the average December 2021 terraced price in the Cardiff local authority area. The most recent EPC inspection was September 2021, where the current energy rating was C, and the potential energy rating was B.

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21 CLOS Y CARLWM Sold Prices

Land registry data shows five sales for 21 CLOS Y CARLWM since 1st January 1995. The below table shows the price paid for the five sales, along with the average terraced price in the Cardiff local authority area for the corresponding sale date. Most of the five 21 CLOS Y CARLWM sales were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2021
13 DEC
£202,500£223,695
down arrow
9% below HPI
2017
27 JUL
£173,000£178,508
down arrow
3% below HPI
2005
31 JAN
£133,950£131,407
up arrow
2% above HPI
2001
3 SEP
£70,500£69,259
up arrow
2% above HPI
1997
25 APR
£43,000£45,499
down arrow
5% below HPI

21 CLOS Y CARLWM Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Cardiff local authority area over time, sourced from the HPI. The five 21 CLOS Y CARLWM sales between April 1997 and December 2021 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 July 2017 sale was for 3% below the HPI. So the extrapolation line tracks at 3% below the HPI over time, until the December 2021 sale, where it falls to 9% below the HPI. The line then continues to track at 9% below the HPI.

21, CLOS Y CARLWM, THORNHILL, CARDIFF, CF14 9HN: Price paid vs HM Land Registry's House Price Index

What might 21 CLOS Y CARLWM be worth now?

21 CLOS Y CARLWM might now be worth an estimated £231,707.

This is based on house price inflation of 14.4%, between December 2021 and June 2025, for terraced houses, in the Cardiff local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 14.4% inflationary increase is applied to the most recent sale price for 21 CLOS Y CARLWM of £202,500 on 13th December 2021. For the value to have increased from £202,500 to £231,707 over the four years and six months to June 2025, the following assumptions must hold true:

  • The value of 21 CLOS Y CARLWM has moved in line with the HPI for terraced houses in the Cardiff local authority area.
  • The December 2021 sale price of £202,500 represented a fair market value for the property.
  • The size, condition, and specification of 21 CLOS Y CARLWM has not materially changed since December 2021.
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 21 CLOS Y CARLWM?

21 CLOS Y CARLWM is 55m² according to the EPC inspection conducted in September 2021. This puts it in the smallest 10% of terraced houses houses in Cardiff, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Cardiff, and where 21 CLOS Y CARLWM lies on this distribution: 1% of terraced houses houses are smaller than 21 CLOS Y CARLWM, and 99% of houses are larger. Note that EPC data is not available for all properties in Cardiff.

21, CLOS Y CARLWM, THORNHILL, CARDIFF, CF14 9HN: Size of property relative to terraced houses houses in Cardiff

21 CLOS Y CARLWM: Plot and Title Map

21 CLOS Y CARLWM sits on a plot of roughly 0.023 of an acre, or 95m². The below map shows the location of 21 CLOS Y CARLWM, 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 21 CLOS Y CARLWM). 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.

21, CLOS Y CARLWM, THORNHILL, CARDIFF, CF14 9HN: Plot and title map

Where is 21 CLOS Y CARLWM?

21 CLOS Y CARLWM is located in THORNHILL, in the CF14 postcode district. The below map shows the position of No. 21 on CLOS Y CARLWM.

21, CLOS Y CARLWM, THORNHILL, CARDIFF, CF14 9HN: Location map and indicative extent of plot

All property sales on CLOS Y CARLWM

Most recent sales first:

Full data available
2025
15 APR
£220,000
Full data available
2025
28 FEB
£208,000
Full data available
2022
4 NOV
£298,000
Full data available
2022
25 FEB
£210,000
Full data available
2021
13 DEC
£202,500
Full data available
2021
22 OCT
£238,000
Full data available
2021
28 MAY
£196,000
Full data available
2019
3 SEP
£152,500
Full data available
2018
4 DEC
£177,000
Full data available
2018
25 OCT
£218,000
Full data available
2018
21 SEP
£225,000
Full data available
2017
27 JUL
£173,000
Full data available
2015
27 FEB
£163,500
Full data available
2015
13 FEB
£188,000
Full data available
2013
6 DEC
£163,000
Full data available
2013
15 FEB
£130,000
Full data available
2012
13 SEP
£130,000
Limited data available
2010
17 DEC
£153,500
Full data available
2010
10 SEP
£124,950
Full data available
2009
11 AUG
£165,000
Limited data available
2008
21 MAY
£145,000
Full data available
2007
28 SEP
£146,000
Full data available
2007
20 JUN
£205,000
Full data available
2006
3 NOV
£175,000
Full data available
2006
22 SEP
£142,500
Full data available
2006
24 MAR
£138,000
Full data available
2006
24 MAR
£162,000
Full data available
2006
27 JAN
£119,995
Full data available
2006
6 JAN
£127,500
Full data available
2005
31 JAN
£133,950
Full data available
2004
9 JUL
£125,000
Limited data available
2004
20 FEB
£127,000
Limited data available
2004
6 FEB
£139,000
Full data available
2003
4 AUG
£92,000
Full data available
2003
25 JUL
£92,000
Full data available
2002
17 DEC
£117,500
Full data available
2002
6 DEC
£95,000
Full data available
2002
2 AUG
£89,950
Limited data available
2002
13 MAY
£73,000
Full data available
2002
13 MAY
£85,000
Full data available
2002
13 MAR
£98,000
Full data available
2002
25 JAN
£67,000
Full data available
2001
31 OCT
£65,000
Full data available
2001
3 SEP
£70,500
Full data available
1999
21 DEC
£60,000
Full data available
1999
1 NOV
£56,500
Full data available
1999
16 SEP
£57,000
Full data available
1999
8 SEP
£54,000
Full data available
1999
30 JUL
£53,000
Limited data available
1999
23 JUL
£55,500
Full data available
1999
4 JUN
£63,250
Full data available
1999
25 MAR
£49,950
Limited data available
1998
26 NOV
£56,000
Full data available
1998
10 JUL
£45,000
Full data available
1998
29 JUN
£54,000
Full data available
1998
6 FEB
£42,000
Full data available
1997
3 OCT
£46,000
Full data available
1997
8 AUG
£59,950
Full data available
1997
25 APR
£43,000
Limited data available
1997
28 FEB
£46,950
Limited data available
1996
28 OCT
£52,500
Full data available
1995
3 OCT
£44,000
Full data available
1995
21 APR
£46,000
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. 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 2025. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2025 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 2025 Ordnance Survey 100026316. Conditions of use.