HM Land Registry records the plot of land for 20, Pentwyn Terrace, Cardiff as measuring 551 m².

That makes it the 2nd largest plot in the postcode, where 36 of the 40 other houses have recorded plot data.

20, Pentwyn Terrace, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Sep 2024.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 20, Pentwyn Terrace, Cardiff completed on 10th April 2025 at £240,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 0.3% over the period since April 2025.

Since 2007 44 properties similar to 20, Pentwyn Terrace, Cardiff have sold within a radius of 2.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 18th December 2025, was 8, Pentwyn Terrace, Cardiff, CF3 2TW, a freehold house which sold for £233,000.

Read more about house prices in CF3.

• Sold Dec 2025£233,000 | 3 Bed House8, Pentwyn Terrace, Cardiff, CF3 2TW8, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Dec 2025£210,000 | 4 Bed House12, Saffron Drive, Cardiff, CF3 0NH12, Saffron Drive, Cardiff, CF3 0NH
• Sold Jun 2025£273,000 | 3 Bed House13, Brython Drive, Cardiff, CF3 0LR13, Brython Drive, Cardiff, CF3 0LR
• Sold Oct 2024£215,000 | 3 Bed House14, Pentwyn Terrace, Cardiff, CF3 2TW14, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Aug 2024£305,000 | 3 Bed House34, Glenrise Close, Cardiff, CF3 0AS34, Glenrise Close, Cardiff, CF3 0AS
• Sold Jan 2024£1,125,000 | 3 Bed HouseArcadis Cymru House, St. Mellons Business Park, Cardiff, CF3 0EYArcadis Cymru House, St. Mellons Business Park, Cardiff, CF3 0EY
• Sold Feb 2023£240,000 | 3 Bed House16, Marysfield Close, Cardiff, CF3 2TY16, Marysfield Close, Cardiff, CF3 2TY
• Sold Jan 2022£231,500 | 3 Bed HouseElmfield, Pentwyn Terrace, Cardiff, CF3 2TWElmfield, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Jan 2022£160,000 | 4 Bed House42, Pentwyn Terrace, Cardiff, CF3 2UL42, Pentwyn Terrace, Cardiff, CF3 2UL
• Sold Nov 2021£194,000 | 3 Bed House23, Marysfield Close, Cardiff, CF3 2TY23, Marysfield Close, Cardiff, CF3 2TY
• Sold Sep 2021£253,000 | 3 Bed House9, Marysfield Close, Cardiff, CF3 2TY9, Marysfield Close, Cardiff, CF3 2TY
• Sold Dec 2020£237,500 | 3 Bed House12, Marysfield Close, Cardiff, CF3 2TY12, Marysfield Close, Cardiff, CF3 2TY
• Sold Oct 2020£195,000 | 3 Bed House25, Marysfield Close, Cardiff, CF3 2TY25, Marysfield Close, Cardiff, CF3 2TY
• Sold Aug 2020£230,000 | 3 Bed HouseOakfield, Pentwyn Terrace, Cardiff, CF3 2TWOakfield, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Jul 2020£200,000 | 3 Bed House17, Marysfield Close, Cardiff, CF3 2TY17, Marysfield Close, Cardiff, CF3 2TY
• Sold Mar 2020£185,000 | 3 Bed House131, Marshfield Road, Cardiff, CF3 2TT131, Marshfield Road, Cardiff, CF3 2TT
• Sold Jan 2020£220,000 | 3 Bed HouseSandfield, Pentwyn Terrace, Cardiff, CF3 2TWSandfield, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Apr 2016£152,000 | 3 Bed House7, Marysfield Close, Cardiff, CF3 2TY7, Marysfield Close, Cardiff, CF3 2TY
• Sold Sep 2014£145,000 | 4 Bed House21, Pentwyn Terrace, Cardiff, CF3 2TW21, Pentwyn Terrace, Cardiff, CF3 2TW
• Sold Jul 2007£150,000 | 3 Bed House24, Marysfield Close, Cardiff, CF3 2TY24, Marysfield Close, Cardiff, CF3 2TY

Of the 81 addresses on Pentwyn Terrace, Marshfield, Cardiff, CF3, 20, Pentwyn Terrace, Cardiff comes out as the 13th largest and the 10th most expensive in our analysis of the public data.

It is also £10k less expensive than the average property across the CF3 district.

• Pye Corner

  |

  5.8 km away
• Rogerstone

  |

  7.2 km away
• Newport (South Wales)

  |

  7.9 km away

The flood risk here is rated Very Low, based on Environment Agency data.