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30, PENTWYN ISAF, CAERPHILLY, CF83 2NR - £150,000

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.

30 PENTWYN ISAF is a very large detached house of 193m², built sometime between 1950 and 1966, which could now be worth an estimated £246,732. It was last sold for £150,000 in March 2017, which was around 22% below the average March 2017 detached price in the Caerphilly local authority area. The most recent EPC inspection was July 2014, where the current energy rating was D, and the potential energy rating was B.

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30 PENTWYN ISAF Sold Prices

Land registry data shows one sale for 30 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
2017
24 MAR
£150,000£192,608
down arrow
22% below HPI

What might 30 PENTWYN ISAF be worth now?

30 PENTWYN ISAF might now be worth an estimated £246,732.

This is based on house price inflation of 64.5%, between March 2017 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 64.5% inflationary increase is applied to the most recent sale price for 30 PENTWYN ISAF of £150,000 on 24th March 2017. For the value to have increased from £150,000 to £246,732 over the eight years and ten months to May 2026, the following assumptions must hold true:

  • The value of 30 PENTWYN ISAF has moved in line with the HPI for detached houses in the Caerphilly local authority area.
  • The March 2017 sale price of £150,000 represented a fair market value for the property.
  • The size, condition, and specification of 30 PENTWYN ISAF has not materially changed since March 2017.
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 30 PENTWYN ISAF?

30 PENTWYN ISAF is 193m² according to the EPC inspection conducted in July 2014. 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 30 PENTWYN ISAF lies on this distribution: 96% of detached houses are smaller than 30 PENTWYN ISAF, and 4% of detached houses are larger. Note that EPC data is not available for all properties in Caerphilly.

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

30 PENTWYN ISAF: Plot

30 PENTWYN ISAF sits on a plot of roughly 0.171 of an acre, or 690m².

Where is 30 PENTWYN ISAF?

30 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.