9, BLACKLEY CLOSE, WATFORD, WD17 4TE - £995,000

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

9 BLACKLEY CLOSE is a midsized extended detached house of 135m², built sometime between 1967 and 1975. It was last sold for £995,000 in December 2018, which was around 26% above the average December 2018 detached price in the Watford local authority area. The most recent EPC inspection was March 2015, where the current energy rating was E, and the potential energy rating was C.

9 BLACKLEY CLOSE Sold Prices

Land registry data shows two sales for 9 BLACKLEY 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 Watford local authority area for the corresponding sale date. Both of the two 9 BLACKLEY 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
2018 7 DEC	£995,000	£791,952	26% above HPI
2015 2 JUN	£750,000	£669,234	12% above HPI

9 BLACKLEY CLOSE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Watford local authority area over time, sourced from the HPI. The two 9 BLACKLEY CLOSE sales from June 2015 and December 2018 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 June 2015 sale was for 12% above the HPI. So the extrapolation line tracks at 12% above the HPI over time, until the December 2018 sale, where it rises to 26% above the HPI. The line then continues to track at 26% above the HPI.

What might 9 BLACKLEY CLOSE be worth now?

9 BLACKLEY CLOSE might now be worth an estimated £1,114,596.

This is based on house price inflation of 12%, between December 2018 and December 2024, for detached houses, in the Watford local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 12% inflationary increase is applied to the most recent sale price for 9 BLACKLEY CLOSE of £995,000 on 7th December 2018. For the value to have increased from £995,000 to £1,114,596 over the six years to December 2024, the following assumptions must hold true:

• The value of 9 BLACKLEY CLOSE has moved in line with the HPI for detached houses in the Watford local authority area.
• The December 2018 sale price of £995,000 represented a fair market value for the property.
• The size, condition, and specification of 9 BLACKLEY CLOSE has not materially changed since December 2018.

How Large is 9 BLACKLEY CLOSE?

9 BLACKLEY CLOSE is 135m², which includes one extension, according to the EPC inspection conducted in March 2015. This puts it in the smallest 50% of detached houses houses in Watford, based on EPC data. The below chart shows the distribution of detached houses houses by size in Watford, and where 9 BLACKLEY CLOSE lies on this distribution: 49% of detached houses houses are smaller than 9 BLACKLEY CLOSE, and 50% of houses are larger. Note that EPC data is not available for all properties in Watford.

9 BLACKLEY CLOSE: Plot and Title Map

9 BLACKLEY CLOSE sits on a plot of roughly 0.155 of an acre, or 628m². The below map shows the location of 9 BLACKLEY 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 9 BLACKLEY 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 9 BLACKLEY CLOSE?

9 BLACKLEY CLOSE is located in WATFORD, in the WD17 postcode district. The below map shows the position of No. 9 on BLACKLEY CLOSE.