SIERRA, GRANGEWOOD AVENUE, GRAYS, RM16 2GJ - £390,000

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

SIERRA is a small extended detached house of 99m², built sometime between 1967 and 1975. It was last sold for £390,000 in February 2019, which was around 24% below the average February 2019 detached price in the Thurrock local authority area. The most recent EPC inspection was November 2015, where the current energy rating was E, and the potential energy rating was C.

SIERRA Sold Prices

Land registry data shows two sales for SIERRA since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Thurrock local authority area for the corresponding sale date. Both of the two SIERRA sales were for below 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
2019 20 FEB	£390,000	£510,253	24% below HPI
2016 29 JUL	£360,000	£465,211	23% below HPI

SIERRA Price Paid vs. HPI Average

The below graph shows the average detached house price in the Thurrock local authority area over time, sourced from the HPI. The two SIERRA sales from July 2016 and February 2019 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 July 2016 sale was for 23% below the HPI. So the extrapolation line tracks at 23% below the HPI over time, until the February 2019 sale, where it falls to 24% below the HPI. The line then continues to track at 24% below the HPI.

What might SIERRA be worth now?

SIERRA might now be worth an estimated £453,563.

This is based on house price inflation of 16.3%, between February 2019 and December 2024, for detached houses, in the Thurrock local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 16.3% inflationary increase is applied to the most recent sale price for SIERRA of £390,000 on 20th February 2019. For the value to have increased from £390,000 to £453,563 over the four years and two months to December 2024, the following assumptions must hold true:

• The value of SIERRA has moved in line with the HPI for detached houses in the Thurrock local authority area.
• The February 2019 sale price of £390,000 represented a fair market value for the property.
• The size, condition, and specification of SIERRA has not materially changed since February 2019.

How Large is SIERRA?

SIERRA is 99m², which includes one extension, according to the EPC inspection conducted in November 2015. This puts it in the smallest 40% of detached houses houses in Grays, based on EPC data. The below chart shows the distribution of detached houses houses by size in Grays, and where SIERRA lies on this distribution: 38% of detached houses houses are smaller than SIERRA, and 59% of houses are larger. Note that EPC data is not available for all properties in Grays.

SIERRA: Plot and Title Map

SIERRA sits on a plot of roughly 0.080 of an acre, or 324m². The below map shows the location of SIERRA, 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 SIERRA). 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 SIERRA?

SIERRA is located on GRANGEWOOD AVENUE in GRAYS, in the RM16 postcode district. The below map shows the position of SIERRA on GRANGEWOOD AVENUE.