Property Data Search:

18, SPEEDWELL CLOSE, PONTPRENNAU, CARDIFF, CF23 8QF - £260,000

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.

18 SPEEDWELL CLOSE is a very large detached house of 215m², built sometime from 2007 onwards, which could now be worth an estimated £461,674. It was last sold for £260,000 in June 2012, which was around 11% below the average June 2012 detached price in the Cardiff local authority area. The most recent EPC inspection was February 2009, where the current energy rating was C, and the potential energy rating was B.

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18 SPEEDWELL CLOSE Sold Prices

Land registry data shows two sales for 18 SPEEDWELL CLOSE since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Cardiff local authority area for the corresponding sale date. One of the two 18 SPEEDWELL CLOSE sales was for below the average price, whilst the other was for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2012
6 JUN
£260,000£291,333
down arrow
11% below HPI
2008
2 APR
£329,995£303,016
up arrow
9% above HPI

18 SPEEDWELL CLOSE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Cardiff local authority area over time, sourced from the HPI. The two 18 SPEEDWELL CLOSE sales from April 2008 and June 2012 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 April 2008 sale was for 9% above the HPI. So the extrapolation line tracks at 9% above the HPI over time, until the June 2012 sale, where it falls to 11% below the HPI. The line then continues to track at 11% below the HPI.

18, SPEEDWELL CLOSE, PONTPRENNAU, CARDIFF, CF23 8QF: Price paid vs HM Land Registry's House Price Index

What might 18 SPEEDWELL CLOSE be worth now?

18 SPEEDWELL CLOSE might now be worth an estimated £461,674.

This is based on house price inflation of 77.6%, between June 2012 and June 2025, for detached 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 77.6% inflationary increase is applied to the most recent sale price for 18 SPEEDWELL CLOSE of £260,000 on 6th June 2012. For the value to have increased from £260,000 to £461,674 over the thirteen years to June 2025, the following assumptions must hold true:

  • The value of 18 SPEEDWELL CLOSE has moved in line with the HPI for detached houses in the Cardiff local authority area.
  • The June 2012 sale price of £260,000 represented a fair market value for the property.
  • The size, condition, and specification of 18 SPEEDWELL CLOSE has not materially changed since June 2012.
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 18 SPEEDWELL CLOSE?

18 SPEEDWELL CLOSE is 215m² according to the EPC inspection conducted in February 2009. This puts it in the largest 10% of detached houses houses in Cardiff, based on EPC data. The below chart shows the distribution of detached houses houses by size in Cardiff, and where 18 SPEEDWELL CLOSE lies on this distribution: 93% of detached houses houses are smaller than 18 SPEEDWELL CLOSE, and 7% of houses are larger. Note that EPC data is not available for all properties in Cardiff.

18, SPEEDWELL CLOSE, PONTPRENNAU, CARDIFF, CF23 8QF: Size of property relative to detached houses houses in Cardiff

18 SPEEDWELL CLOSE: Plot and Title Map

18 SPEEDWELL CLOSE sits on a plot of roughly 0.058 of an acre, or 233m². The below map shows the location of 18 SPEEDWELL CLOSE, 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 18 SPEEDWELL CLOSE). 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.

18, SPEEDWELL CLOSE, PONTPRENNAU, CARDIFF, CF23 8QF: Plot and title map

Where is 18 SPEEDWELL CLOSE?

18 SPEEDWELL CLOSE is located in PONTPRENNAU, in the CF23 postcode district. The below map shows the position of No. 18 on SPEEDWELL CLOSE.

18, SPEEDWELL CLOSE, PONTPRENNAU, CARDIFF, CF23 8QF: Location map and indicative extent of plot

All property sales on SPEEDWELL CLOSE

Most recent sales first:

Full data available
2022
1 DEC
£445,000
Full data available
2022
23 SEP
£500,000
Full data available
2019
13 DEC
£362,500
Full data available
2019
20 SEP
£373,000
Full data available
2019
6 FEB
£246,000
Full data available
2019
31 JAN
£270,000
Full data available
2018
12 OCT
£400,000
Full data available
2015
4 DEC
£295,000
Full data available
2015
29 MAY
£215,000
Full data available
2014
25 JUL
£340,000
Full data available
2014
6 JUL
£213,500
Full data available
2014
17 JAN
£290,000
Full data available
2012
6 JUN
£260,000
Full data available
2011
23 SEP
£207,000
Limited data available
2011
1 SEP
£285,000
Full data available
2010
12 NOV
£249,950
Full data available
2009
5 AUG
£212,000
Full data available
2008
2 APR
£329,995
Full data available
2007
22 JUN
£400,000
Limited data available
2007
22 JUN
£375,000
Full data available
2007
8 JUN
£375,000
Full data available
2007
25 MAY
£375,000
Full data available
2007
25 MAR
£335,000
Limited data available
2007
16 MAR
£350,000
Full data available
2007
23 FEB
£354,046
Limited data available
2006
21 DEC
£290,000
Limited data available
2006
21 DEC
£329,995
Full data available
2006
19 DEC
£344,995
Full data available
2006
15 DEC
£224,995
Full data available
2006
15 DEC
£204,995
Limited data available
2006
8 DEC
£352,500
Full data available
2006
15 NOV
£221,995
Full data available
2006
3 NOV
£333,995
Full data available
2006
27 OCT
£299,995
Full data available
2006
29 SEP
£300,000
Full data available
2006
29 SEP
£310,645
Limited data available
2006
29 SEP
£280,000
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.