Property/Postcode Data Search:

15, TWYNYFFALD ROAD, BLACKWOOD, NP12 3HD - £139,950

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.

15 TWYNYFFALD ROAD is a small extended terraced house of 87m², built sometime between 1930 and 1949, which could now be worth an estimated £200,123. It was last sold for £139,950 in October 2019, which was around 24% above the average October 2019 terraced price in the Caerphilly local authority area. The most recent EPC inspection was July 2019, where the current energy rating was D, and the potential energy rating was B.

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15 TWYNYFFALD ROAD Sold Prices

Land registry data shows three sales for 15 TWYNYFFALD ROAD since 1st January 1995. The below table shows the price paid for the three sales, along with the average terraced price in the Caerphilly local authority area for the corresponding sale date. Two of the three 15 TWYNYFFALD ROAD sales were for above the average price, whilst one was for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2019
28 OCT
£139,950£112,929
up arrow
24% above HPI
2007
5 APR
£108,500£98,197
up arrow
10% above HPI
2004
25 FEB
£53,000£66,674
down arrow
21% below HPI

15 TWYNYFFALD ROAD Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Caerphilly local authority area over time, sourced from the HPI. The three 15 TWYNYFFALD ROAD sales between February 2004 and October 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 April 2007 sale was for 10% above the HPI. So the extrapolation line tracks at 10% above the HPI over time, until the October 2019 sale, where it rises to 24% above the HPI. The line then continues to track at 24% above the HPI.

15, TWYNYFFALD ROAD, BLACKWOOD, NP12 3HD: Price paid vs HM Land Registry's House Price Index

What might 15 TWYNYFFALD ROAD be worth now?

15 TWYNYFFALD ROAD might now be worth an estimated £200,123.

This is based on house price inflation of 43%, between October 2019 and July 2025, for terraced 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 43% inflationary increase is applied to the most recent sale price for 15 TWYNYFFALD ROAD of £139,950 on 28th October 2019. For the value to have increased from £139,950 to £200,123 over the six years and three months to July 2025, the following assumptions must hold true:

  • The value of 15 TWYNYFFALD ROAD has moved in line with the HPI for terraced houses in the Caerphilly local authority area.
  • The October 2019 sale price of £139,950 represented a fair market value for the property.
  • The size, condition, and specification of 15 TWYNYFFALD ROAD has not materially changed since October 2019.
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 15 TWYNYFFALD ROAD?

15 TWYNYFFALD ROAD is 87m², which includes one extension, according to the EPC inspection conducted in July 2019. This puts it in the smallest 30% of terraced houses houses in Blackwood, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Blackwood, and where 15 TWYNYFFALD ROAD lies on this distribution: 23% of terraced houses houses are smaller than 15 TWYNYFFALD ROAD, and 75% of houses are larger. Note that EPC data is not available for all properties in Blackwood.

15, TWYNYFFALD ROAD, BLACKWOOD, NP12 3HD: Size of property relative to terraced houses houses in Blackwood

15 TWYNYFFALD ROAD: Plot and Title Map

15 TWYNYFFALD ROAD sits on a plot of roughly 0.039 of an acre, or 159m². The below map shows the location of 15 TWYNYFFALD ROAD, 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 15 TWYNYFFALD ROAD). 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.

15, TWYNYFFALD ROAD, BLACKWOOD, NP12 3HD: Plot and title map

Where is 15 TWYNYFFALD ROAD?

15 TWYNYFFALD ROAD is located in BLACKWOOD, in the NP12 postcode district. The below map shows the position of No. 15 on TWYNYFFALD ROAD.

15, TWYNYFFALD ROAD, BLACKWOOD, NP12 3HD: Location map and indicative extent of plot

All property sales on TWYNYFFALD ROAD

Most recent sales first:

Full data available
2024
28 JUN
£140,000
Full data available
2022
1 APR
£200,000
Full data available
2021
30 APR
£225,000
Limited data available
2020
25 JUN
£168,000
Full data available
2019
28 OCT
£139,950
Full data available
2019
10 JUN
£125,000
Limited data available
2018
7 NOV
£113,000
Limited data available
2016
16 DEC
£117,000
Limited data available
2016
31 AUG
£130,000
Full data available
2015
2 OCT
£132,000
Limited data available
2015
27 AUG
£70,000
Full data available
2015
17 JUL
£145,000
Full data available
2015
20 MAR
£113,000
Full data available
2014
27 MAR
£65,000
Limited data available
2013
20 DEC
£69,000
Limited data available
2013
24 MAY
£138,000
Full data available
2012
21 JUN
£95,000
Limited data available
2011
7 OCT
£124,999
Limited data available
2011
26 SEP
£88,500
Full data available
2008
25 APR
£159,000
Full data available
2007
5 APR
£108,500
Full data available
2006
13 OCT
£90,000
Limited data available
2005
12 AUG
£71,000
Full data available
2004
25 FEB
£53,000
Limited data available
2002
7 MAY
£44,000
Limited data available
2001
18 MAY
£33,000
Full data available
1999
8 JAN
£36,950
Limited data available
1997
23 JUL
£16,500
Full data available
1995
13 DEC
£20,000
Full data available
1995
2 OCT
£37,000
Limited data available
1995
28 SEP
£44,000
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.
Source: Energy Performance of Buildings Data: England and Wales
Licence: Ordnance Survey and Royal Mail Copyright and Database Right Notice.
Licence: Open Government Licence v3.0.
Source: INSPIRE Polygons
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.
Licence: Open Government Licence v3.0.