16, CASTLE AVENUE, PENARTH, CF64 3QS - £185,000

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.

16 CASTLE AVENUE is a very small semi-detached house of 91m², built sometime between 1967 and 1975, which could now be worth an estimated £305,350. It was last sold for £185,000 in December 2007, which was around 2% above the average December 2007 semi-detached price in the Vale of Glamorgan local authority area. The most recent EPC inspection was March 2024, where the current energy rating was D, and the potential energy rating was B.

16 CASTLE AVENUE Sold Prices

Land registry data shows three sales for 16 CASTLE AVENUE since 1^st January 1995. The below table shows the price paid for the three sales, along with the average semi-detached price in the Vale of Glamorgan local authority area for the corresponding sale date. The three 16 CASTLE AVENUE sales were a mix of above the average price, and roughly equal to the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

Date	Price	HPI Price	Variation from HPI
2007 20 DEC	£185,000	£181,558	2% above HPI
2001 18 MAY	£87,000	£74,035	18% above HPI
1996 22 MAR	£54,500	£54,307	Close to HPI

16 CASTLE AVENUE Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the Vale of Glamorgan local authority area over time, sourced from the HPI. The three 16 CASTLE AVENUE sales between March 1996 and December 2007 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 May 2001 sale was for 18% above the HPI. So the extrapolation line tracks at 18% above the HPI over time, until the December 2007 sale, where it falls to 2% above the HPI. The line then continues to track at 2% above the HPI.

What might 16 CASTLE AVENUE be worth now?

16 CASTLE AVENUE might now be worth an estimated £305,350.

This is based on house price inflation of 65.1%, between December 2007 and February 2025, for semi-detached houses, in the Vale of Glamorgan local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 65.1% inflationary increase is applied to the most recent sale price for 16 CASTLE AVENUE of £185,000 on 20th December 2007. For the value to have increased from £185,000 to £305,350 over the eighteen years and ten months to February 2025, the following assumptions must hold true:

• The value of 16 CASTLE AVENUE has moved in line with the HPI for semi-detached houses in the Vale of Glamorgan local authority area.
• The December 2007 sale price of £185,000 represented a fair market value for the property.
• The size, condition, and specification of 16 CASTLE AVENUE has not materially changed since December 2007.

How Large is 16 CASTLE AVENUE?

16 CASTLE AVENUE is 91m² according to the EPC inspection conducted in March 2024. This puts it in the smallest 20% of semi-detached houses houses in Penarth, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Penarth, and where 16 CASTLE AVENUE lies on this distribution: 14% of semi-detached houses houses are smaller than 16 CASTLE AVENUE, and 86% of houses are larger. Note that EPC data is not available for all properties in Penarth.

16 CASTLE AVENUE: Plot and Title Map

16 CASTLE AVENUE sits on a plot of roughly 0.080 of an acre, or 325m². The below map shows the location of 16 CASTLE AVENUE, 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 16 CASTLE AVENUE). 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.

Where is 16 CASTLE AVENUE?

16 CASTLE AVENUE is located in PENARTH, in the CF64 postcode district. The below map shows the position of No. 16 on CASTLE AVENUE.