12, LLANDDWYN ISLAND CLOSE, CAERPHILLY, CF83 2AS - £255,000

Based on the January 2025 Price Paid Data (released on 3rd March 2025), the December 2024 House Price Index (released on 19th February 2025), and the January 2025 Energy Performance of Buildings Data (released on 27th February 2025). Sources

12 LLANDDWYN ISLAND CLOSE is a large detached house of 120m², which could now be worth an estimated £442,313. It was last sold for £255,000 in July 2015, which was around 43% above the average July 2015 detached price in the Caerphilly local authority area. The most recent EPC inspection was November 2009, where the current energy rating was C, and the potential energy rating was B.

12 LLANDDWYN ISLAND CLOSE Sold Prices

Land registry data shows two sales for 12 LLANDDWYN ISLAND CLOSE since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Caerphilly local authority area for the corresponding sale date. Both of the two 12 LLANDDWYN ISLAND CLOSE sales were for above 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
2015 31 JUL	£255,000	£178,451	43% above HPI
2010 5 FEB	£227,500	£158,368	44% above HPI

12 LLANDDWYN ISLAND CLOSE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Caerphilly local authority area over time, sourced from the HPI. The two 12 LLANDDWYN ISLAND CLOSE sales from February 2010 and July 2015 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 February 2010 sale was for 44% above the HPI. So the extrapolation line tracks at 44% above the HPI over time, until the July 2015 sale, where it falls to 43% above the HPI. The line then continues to track at 43% above the HPI.

What might 12 LLANDDWYN ISLAND CLOSE be worth now?

12 LLANDDWYN ISLAND CLOSE might now be worth an estimated £442,313.

This is based on house price inflation of 73.5%, between July 2015 and December 2024, for detached houses, in the Caerphilly local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 73.5% inflationary increase is applied to the most recent sale price for 12 LLANDDWYN ISLAND CLOSE of £255,000 on 31st July 2015. For the value to have increased from £255,000 to £442,313 over the eight years and seven months to December 2024, the following assumptions must hold true:

• The value of 12 LLANDDWYN ISLAND CLOSE has moved in line with the HPI for detached houses in the Caerphilly local authority area.
• The July 2015 sale price of £255,000 represented a fair market value for the property.
• The size, condition, and specification of 12 LLANDDWYN ISLAND CLOSE has not materially changed since July 2015.

How Large is 12 LLANDDWYN ISLAND CLOSE?

12 LLANDDWYN ISLAND CLOSE is 120m² according to the EPC inspection conducted in November 2009. This puts it in the largest 40% of detached houses houses in Caerphilly, based on EPC data. The below chart shows the distribution of detached houses houses by size in Caerphilly, and where 12 LLANDDWYN ISLAND CLOSE lies on this distribution: 68% of detached houses houses are smaller than 12 LLANDDWYN ISLAND CLOSE, and 32% of houses are larger. Note that EPC data is not available for all properties in Caerphilly.

12 LLANDDWYN ISLAND CLOSE: Plot and Title Map

12 LLANDDWYN ISLAND CLOSE sits on a plot of roughly 0.070 of an acre, or 284m². The below map shows the location of 12 LLANDDWYN ISLAND 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 12 LLANDDWYN ISLAND 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.

Where is 12 LLANDDWYN ISLAND CLOSE?

12 LLANDDWYN ISLAND CLOSE is located in CAERPHILLY, in the CF83 postcode district. The below map shows the position of No. 12 on LLANDDWYN ISLAND CLOSE.