HM Land Registry records the plot of land for 3, Knowbury Avenue, Penarth as measuring 586 m².

That makes it the 13th largest plot in the postcode, where all 24 other houses have recorded plot data.

3, Knowbury Avenue, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Mar 2009.

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

Since 2008 111 properties similar to 3, Knowbury Avenue, Penarth have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 30th April 2026, was 5, Caynham Avenue, Penarth, CF64 5RR, a freehold house which sold for £847,000.

Read more about house prices in CF64.

• Sold Apr 2026£847,000 | 4 Bed House5, Caynham Avenue, Penarth, CF64 5RR5, Caynham Avenue, Penarth, CF64 5RR
• Sold Dec 2025£725,000 | 4 Bed House23, Augusta Crescent, Penarth, CF64 5RL23, Augusta Crescent, Penarth, CF64 5RL
• Sold Aug 2025£785,000 | 4 Bed House23, Whitcliffe Drive, Penarth, CF64 5RY23, Whitcliffe Drive, Penarth, CF64 5RY
• Sold Aug 2025£850,000 | 4 Bed House15, Forrest Road, Penarth, CF64 5BT15, Forrest Road, Penarth, CF64 5BT
• Sold Aug 2025£680,000 | 4 Bed House5, Robinswood Close, Penarth, CF64 3JG5, Robinswood Close, Penarth, CF64 3JG
• Sold Jun 2025£707,000 | 4 Bed House177, Plymouth Road, Penarth, CF64 5DG177, Plymouth Road, Penarth, CF64 5DG
• Sold May 2025£750,000 | 4 Bed House3, Robinswood Close, Penarth, CF64 3JG3, Robinswood Close, Penarth, CF64 3JG
• Sold Oct 2022£728,000 | 4 Bed House24, Maillards Haven, Penarth, CF64 5RF24, Maillards Haven, Penarth, CF64 5RF
• Sold Jun 2022£840,000 | 4 Bed House3, Tudor Close, Penarth, CF64 5BR3, Tudor Close, Penarth, CF64 5BR
• Sold Mar 2022£678,950 | 4 Bed House1, Birch Lane, Penarth, CF64 5BY1, Birch Lane, Penarth, CF64 5BY
• Sold Jan 2022£625,000 | 4 Bed House1, Knowbury Avenue, Penarth, CF64 5RX1, Knowbury Avenue, Penarth, CF64 5RX
• Sold Jun 2021£800,000 | 4 Bed House18, Forrest Road, Penarth, CF64 5BT18, Forrest Road, Penarth, CF64 5BT
• Sold Mar 2021£650,000 | 4 Bed House8, Stanton Way, Penarth, CF64 5RQ8, Stanton Way, Penarth, CF64 5RQ
• Sold Aug 2018£510,000 | 4 Bed House7, Cherry Close, Penarth, CF64 5BX7, Cherry Close, Penarth, CF64 5BX
• Sold Aug 2017£520,000 | 4 Bed House25, Caynham Avenue, Penarth, CF64 5RR25, Caynham Avenue, Penarth, CF64 5RR
• Sold Jul 2017£687,500 | 4 Bed House6, Whitcliffe Drive, Penarth, CF64 5RY6, Whitcliffe Drive, Penarth, CF64 5RY
• Sold Apr 2014£450,000 | 4 Bed House2, Knowbury Avenue, Penarth, CF64 5RX2, Knowbury Avenue, Penarth, CF64 5RX
• Sold Aug 2013£460,000 | 4 Bed House20, Caynham Avenue, Penarth, CF64 5RR20, Caynham Avenue, Penarth, CF64 5RR
• Sold Nov 2012£425,000 | 4 Bed House19, Caynham Avenue, Penarth, CF64 5RR19, Caynham Avenue, Penarth, CF64 5RR
• Sold Mar 2008£460,000 | 4 Bed House13, Knowbury Avenue, Penarth, CF64 5RX13, Knowbury Avenue, Penarth, CF64 5RX

Of the 24 addresses on Knowbury Avenue, Penarth, CF64, 3, Knowbury Avenue, Penarth comes out as the 8th largest and the 7th most expensive in our analysis of the public data.

It is also £350k more expensive than the average property across the CF64 district.

• Penarth

  |

  1.7 km away
• Dingle Road

  |

  2.2 km away
• Eastbrook

  |

  2.9 km away

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