12, GELLI AVENUE, RISCA, NEWPORT, NP11 6QF - £185,000

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 GELLI AVENUE is a very large extended detached house of 136m², built sometime between 1930 and 1949, which could now be worth an estimated £353,290. It was last sold for £185,000 in July 2013, which was around 14% above the average July 2013 detached price in the Caerphilly local authority area. The most recent EPC inspection was May 2012, where the current energy rating was D, and the potential energy rating was C.

12 GELLI AVENUE Sold Prices

Land registry data shows two sales for 12 GELLI AVENUE 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 GELLI AVENUE 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
2013 23 JUL	£185,000	£162,087	14% above HPI
2003 19 DEC	£167,000	£126,920	32% above HPI

12 GELLI AVENUE 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 GELLI AVENUE sales from December 2003 and July 2013 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 December 2003 sale was for 32% above the HPI. So the extrapolation line tracks at 32% above the HPI over time, until the July 2013 sale, where it falls to 14% above the HPI. The line then continues to track at 14% above the HPI.

What might 12 GELLI AVENUE be worth now?

12 GELLI AVENUE might now be worth an estimated £353,290.

This is based on house price inflation of 91%, between July 2013 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 91% inflationary increase is applied to the most recent sale price for 12 GELLI AVENUE of £185,000 on 23rd July 2013. For the value to have increased from £185,000 to £353,290 over the ten years and seven months to December 2024, the following assumptions must hold true:

• The value of 12 GELLI AVENUE has moved in line with the HPI for detached houses in the Caerphilly local authority area.
• The July 2013 sale price of £185,000 represented a fair market value for the property.
• The size, condition, and specification of 12 GELLI AVENUE has not materially changed since July 2013.

How Large is 12 GELLI AVENUE?

12 GELLI AVENUE is 136m², which includes one extension, according to the EPC inspection conducted in May 2012. This puts it in the largest 20% of detached houses houses in Risca, based on EPC data. The below chart shows the distribution of detached houses houses by size in Risca, and where 12 GELLI AVENUE lies on this distribution: 84% of detached houses houses are smaller than 12 GELLI AVENUE, and 15% of houses are larger. Note that EPC data is not available for all properties in Risca.

12 GELLI AVENUE: Plot and Title Map

12 GELLI AVENUE sits on a plot of roughly 0.109 of an acre, or 441m². The below map shows the location of 12 GELLI 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 12 GELLI 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 12 GELLI AVENUE?

12 GELLI AVENUE is located in RISCA, in the NP11 postcode district. The below map shows the position of No. 12 on GELLI AVENUE.