Property Data Search:

9, ASPEN AVENUE, BLACKWOOD, NP12 1WW - £377,500

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.

9 ASPEN AVENUE is a large extended detached house of 125m², built sometime between 1983 and 1990, which could now be worth an estimated £408,688. It was last sold for £377,500 in August 2022, which was around 31% above the average August 2022 detached price in the Caerphilly local authority area. The most recent EPC inspection was June 2022, where the current energy rating was D, and the potential energy rating was C.

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9 ASPEN AVENUE Sold Prices

Land registry data shows three sales for 9 ASPEN AVENUE since 1st January 1995. The below table shows the price paid for the three sales, along with the average detached price in the Caerphilly local authority area for the corresponding sale date. All of the three 9 ASPEN AVENUE sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2022
19 AUG
£377,500£287,127
up arrow
31% above HPI
2021
24 SEP
£255,000£250,511
up arrow
2% above HPI
2005
31 OCT
£210,000£168,819
up arrow
24% above HPI

9 ASPEN 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 three 9 ASPEN AVENUE sales between October 2005 and August 2022 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 September 2021 sale was for 2% above the HPI. So the extrapolation line tracks at 2% above the HPI over time, until the August 2022 sale, where it rises to 31% above the HPI. The line then continues to track at 31% above the HPI.

9, ASPEN AVENUE, BLACKWOOD, NP12 1WW: Price paid vs HM Land Registry's House Price Index

What might 9 ASPEN AVENUE be worth now?

9 ASPEN AVENUE might now be worth an estimated £408,688.

This is based on house price inflation of 8.3%, between August 2022 and February 2025, 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 8.3% inflationary increase is applied to the most recent sale price for 9 ASPEN AVENUE of £377,500 on 19th August 2022. For the value to have increased from £377,500 to £408,688 over the three years and six months to February 2025, the following assumptions must hold true:

  • The value of 9 ASPEN AVENUE has moved in line with the HPI for detached houses in the Caerphilly local authority area.
  • The August 2022 sale price of £377,500 represented a fair market value for the property.
  • The size, condition, and specification of 9 ASPEN AVENUE has not materially changed since August 2022.
Disclaimer: Please note that this is a theoretical estimate based on assumptions which may or may not be correct. It should not be relied on for any purpose.

How Large is 9 ASPEN AVENUE?

9 ASPEN AVENUE is 125m², which includes one extension, according to the EPC inspection conducted in June 2022. This puts it in the largest 30% of detached houses houses in Blackwood, based on EPC data. The below chart shows the distribution of detached houses houses by size in Blackwood, and where 9 ASPEN AVENUE lies on this distribution: 72% of detached houses houses are smaller than 9 ASPEN AVENUE, and 27% of houses are larger. Note that EPC data is not available for all properties in Blackwood.

9, ASPEN AVENUE, BLACKWOOD, NP12 1WW: Size of property relative to detached houses houses in Blackwood

9 ASPEN AVENUE: Plot and Title Map

9 ASPEN AVENUE sits on a plot of roughly 0.113 of an acre, or 458m². The below map shows the location of 9 ASPEN 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 9 ASPEN 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.

9, ASPEN AVENUE, BLACKWOOD, NP12 1WW: Plot and title map

Where is 9 ASPEN AVENUE?

9 ASPEN AVENUE is located in BLACKWOOD, in the NP12 postcode district. The below map shows the position of No. 9 on ASPEN AVENUE.

9, ASPEN AVENUE, BLACKWOOD, NP12 1WW: Location map and indicative extent of plot

All property sales on ASPEN AVENUE

Most recent sales first:

Full data available
2022
19 AUG
£377,500
Full data available
2021
24 SEP
£255,000
Limited data available
2021
2 JUN
£250,000
Limited data available
2015
6 MAY
£440,000
Full data available
2005
31 OCT
£210,000
Limited data available
2001
26 OCT
£86,000
Limited data available
2000
23 JUN
£86,500
Limited data available
1998
25 SEP
£78,000
Limited data available
1998
17 APR
£81,000
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Source: HM Land Registry UK House Price Index
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2025 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2025 Ordnance Survey 100026316. Conditions of use.