ERINVALE, CHINNOR ROAD, ASTON ROWANT, WATLINGTON, OX49 5SH - £545,000

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.

ERINVALE is a very large extended detached house of 337m², built sometime between 1930 and 1949, which could now be worth an estimated £1,280,006. It was last sold for £545,000 in November 2002, which was around 62% above the average November 2002 detached price in the South Oxfordshire local authority area. The most recent EPC inspection was November 2014, where the current energy rating was D, and the potential energy rating was C.

ERINVALE Sold Prices

Land registry data shows two sales for ERINVALE since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the South Oxfordshire local authority area for the corresponding sale date. Both of the two ERINVALE 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
2002 29 NOV	£545,000	£336,010	62% above HPI
1998 14 MAY	£310,000	£177,007	75% above HPI

ERINVALE Price Paid vs. HPI Average

The below graph shows the average detached house price in the South Oxfordshire local authority area over time, sourced from the HPI. The two ERINVALE sales from May 1998 and November 2002 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 1998 sale was for 75% above the HPI. So the extrapolation line tracks at 75% above the HPI over time, until the November 2002 sale, where it falls to 62% above the HPI. The line then continues to track at 62% above the HPI.

What might ERINVALE be worth now?

ERINVALE might now be worth an estimated £1,280,006.

This is based on house price inflation of 134.9%, between November 2002 and February 2025, for detached houses, in the South Oxfordshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 134.9% inflationary increase is applied to the most recent sale price for ERINVALE of £545,000 on 29th November 2002. For the value to have increased from £545,000 to £1,280,006 over the 23 years and nine months to February 2025, the following assumptions must hold true:

• The value of ERINVALE has moved in line with the HPI for detached houses in the South Oxfordshire local authority area.
• The November 2002 sale price of £545,000 represented a fair market value for the property.
• The size, condition, and specification of ERINVALE has not materially changed since November 2002.

How Large is ERINVALE?

ERINVALE is 337m², which includes one extension, according to the EPC inspection conducted in November 2014. This puts it in the largest 10% of detached houses houses in Aston Rowant, based on EPC data. The below chart shows the distribution of detached houses houses by size in Aston Rowant, and where ERINVALE lies on this distribution: 91% of detached houses houses are smaller than ERINVALE, and 9% of houses are larger. Note that EPC data is not available for all properties in Aston Rowant.

ERINVALE: Plot and Title Map

ERINVALE sits on a plot of roughly 0.566 of an acre, or 2,290m². The below map shows the location of ERINVALE, 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 ERINVALE). 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 ERINVALE?

ERINVALE is located on CHINNOR ROAD in ASTON ROWANT, in the OX49 postcode district. The below map shows the position of ERINVALE on CHINNOR ROAD.