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16, PENTWYN ISAF, CAERPHILLY, CF83 2NR - £87,100

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.

16 PENTWYN ISAF is a very large extended detached house of 172m², built sometime between 1967 and 1975, which could now be worth an estimated £387,561. It was last sold for £87,100 in June 1999, which was around 22% above the average June 1999 detached price in the Caerphilly local authority area. The most recent EPC inspection was November 2013, where the current energy rating was C, and the potential energy rating was B.

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16 PENTWYN ISAF Sold Prices

Land registry data shows one sale for 16 PENTWYN ISAF since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Caerphilly local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
1999
29 JUN
£87,100£71,201
up arrow
22% above HPI

What might 16 PENTWYN ISAF be worth now?

16 PENTWYN ISAF might now be worth an estimated £387,561.

This is based on house price inflation of 345%, between June 1999 and May 2026, 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 345% inflationary increase is applied to the most recent sale price for 16 PENTWYN ISAF of £87,100 on 29th June 1999. For the value to have increased from £87,100 to £387,561 over the 27 years and one month to May 2026, the following assumptions must hold true:

  • The value of 16 PENTWYN ISAF has moved in line with the HPI for detached houses in the Caerphilly local authority area.
  • The June 1999 sale price of £87,100 represented a fair market value for the property.
  • The size, condition, and specification of 16 PENTWYN ISAF has not materially changed since June 1999.
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 16 PENTWYN ISAF?

16 PENTWYN ISAF is 172m², which includes one extension, according to the EPC inspection conducted in November 2013. This puts it in the largest 10% of detached houses in Caerphilly, based on EPC data. The below chart shows the distribution of detached houses by size in Caerphilly, and where 16 PENTWYN ISAF lies on this distribution: 93% of detached houses are smaller than 16 PENTWYN ISAF, and 7% of detached houses are larger. Note that EPC data is not available for all properties in Caerphilly.

16, PENTWYN ISAF, CAERPHILLY, CF83 2NR: Size of property relative to detached houses in Caerphilly

16 PENTWYN ISAF: Plot

16 PENTWYN ISAF sits on a plot of roughly 0.135 of an acre, or 548m².

Where is 16 PENTWYN ISAF?

16 PENTWYN ISAF is located in CAERPHILLY, in the CF83 postcode district.

All property sales on PENTWYN ISAF

Most recent sales first:

Full data available
2026
10 APR
£440,000
Full data available
2026
6 FEB
£430,000
Full data available
2024
29 FEB
£440,000
Limited data available
2024
26 FEB
£389,000
Full data available
2020
27 NOV
£336,500
Full data available
2017
25 AUG
£290,000
Limited data available
2017
24 MAR
£150,000
Full data available
2014
5 DEC
£175,000
Limited data available
2014
6 OCT
£349,950
Full data available
2013
18 JUL
£240,000
Limited data available
2011
9 SEP
£330,000
Full data available
2011
12 AUG
£270,000
Full data available
2011
5 AUG
£217,000
Limited data available
2010
16 AUG
£224,400
Limited data available
2007
12 JUL
£300,000
Limited data available
2007
31 JAN
£169,950
Limited data available
2006
24 AUG
£271,500
Full data available
2003
24 OCT
£157,000
Limited data available
2003
9 SEP
£185,000
Full data available
2002
29 AUG
£155,000
Full data available
2002
9 AUG
£110,000
Full data available
2002
12 JUL
£142,000
Full data available
2002
3 MAY
£120,000
Limited data available
2002
29 APR
£120,000
Limited data available
2001
16 NOV
£130,000
Limited data available
2001
27 APR
£172,000
Limited data available
2001
12 APR
£30,000
Limited data available
2000
1 DEC
£158,000
Limited data available
2000
28 APR
£46,000
Full data available
2000
24 FEB
£88,000
Full data available
2000
28 JAN
£101,500
Limited data available
1999
3 SEP
£106,000
Limited data available
1999
29 JUN
£87,100
Limited data available
1999
19 JAN
£35,000
Limited data available
1997
30 APR
£84,000
Limited data available
1996
3 DEC
£80,000
Full data available
1996
19 SEP
£92,950
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. 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 2026. 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 2026 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 2026 Ordnance Survey 100026316. Conditions of use.
Licence: Open Government Licence v3.0.