HM Land Registry records the plot of land for 20, Lon Penllyn, Cardiff as measuring 333 m².

That makes it the 10th largest plot in the postcode, where 24 of the 25 other houses have recorded plot data.

20, Lon Penllyn, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Nov 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 20, Lon Penllyn, Cardiff completed on 22nd April 2016 at £280,000 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 37.4% over the period since April 2016.

• Sold Apr 2016£280,000
• Sold Mar 2008£225,000

Since 2013 248 properties similar to 20, Lon Penllyn, Cardiff have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 16th April 2026, was 18, Lon Penllyn, Cardiff, CF14 6BZ, a freehold house which sold for £407,500.

Read more about house prices in CF14.

• Sold Apr 2026£407,500 | 3 Bed House18, Lon Penllyn, Cardiff, CF14 6BZ18, Lon Penllyn, Cardiff, CF14 6BZ
• Sold Feb 2026£462,000 | 3 Bed House74, Kyle Avenue, Cardiff, CF14 1SS74, Kyle Avenue, Cardiff, CF14 1SS
• Sold Jan 2026£430,000 | 3 Bed House3, Porthamal Gardens, Cardiff, CF14 6AH3, Porthamal Gardens, Cardiff, CF14 6AH
• Sold Nov 2025£377,500 | 3 Bed House4, Heol Iestyn, Cardiff, CF14 1QE4, Heol Iestyn, Cardiff, CF14 1QE
• Sold Nov 2025£395,000 | 4 Bed House15, Lon Penllyn, Cardiff, CF14 6BZ15, Lon Penllyn, Cardiff, CF14 6BZ
• Sold Oct 2025£450,000 | 3 Bed House41, Manor Rise, Cardiff, CF14 1QH41, Manor Rise, Cardiff, CF14 1QH
• Sold Mar 2025£435,000 | 3 Bed House1, Thornbury Close, Cardiff, CF14 1UT1, Thornbury Close, Cardiff, CF14 1UT
• Sold Nov 2024£465,000 | 3 Bed House23, Homelands Road, Cardiff, CF14 1UH23, Homelands Road, Cardiff, CF14 1UH
• Sold Nov 2024£485,000 | 3 Bed House22, Heol Tyn Y Cae, Cardiff, CF14 6DJ22, Heol Tyn Y Cae, Cardiff, CF14 6DJ
• Sold Oct 2024£420,000 | 4 Bed House9, Heol Nest, Cardiff, CF14 1SY9, Heol Nest, Cardiff, CF14 1SY
• Sold Oct 2024£410,000 | 3 Bed House71, Heol Y Nant, Cardiff, CF14 6BT71, Heol Y Nant, Cardiff, CF14 6BT
• Sold Jul 2024£445,000 | 3 Bed House79, Heol Y Nant, Cardiff, CF14 6BT79, Heol Y Nant, Cardiff, CF14 6BT
• Sold Jun 2023£453,000 | 3 Bed House5, Kyle Avenue, Cardiff, CF14 1SR5, Kyle Avenue, Cardiff, CF14 1SR
• Sold Mar 2022£390,000 | 4 Bed House10, Ash Grove, Cardiff, CF14 1BE10, Ash Grove, Cardiff, CF14 1BE
• Sold Jun 2020£397,500 | 4 Bed House69, Heol Y Nant, Cardiff, CF14 6BT69, Heol Y Nant, Cardiff, CF14 6BT
• Sold Aug 2019£365,000 | 3 Bed House60, Kyle Avenue, Cardiff, CF14 1SS60, Kyle Avenue, Cardiff, CF14 1SS
• Sold Aug 2017£315,000 | 3 Bed House59, Heol Y Nant, Cardiff, CF14 6BT59, Heol Y Nant, Cardiff, CF14 6BT
• Sold Oct 2016£290,000 | 3 Bed House25, Heol Tyn Y Cae, Cardiff, CF14 6DJ25, Heol Tyn Y Cae, Cardiff, CF14 6DJ
• Sold May 2015£242,000 | 3 Bed House5, Leamington Road, Cardiff, CF14 6BX5, Leamington Road, Cardiff, CF14 6BX
• Sold May 2013£305,000 | 3 Bed House20, Leamington Road, Cardiff, CF14 6BX20, Leamington Road, Cardiff, CF14 6BX

Of the 25 addresses on Lon Penllyn, Cardiff, CF14, 20, Lon Penllyn, Cardiff comes out as the 9th largest and the 9th most expensive in our analysis of the public data.

It is also £69k more expensive than the average property across the CF14 district.

• Rhiwbina

  |

  300 m away
• Whitchurch (Cardiff)

  |

  700 m away
• Birchgrove

  |

  700 m away

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