According to data from HM Land Registry, 7, Knowbury Avenue, Penarth sits on a plot of 593 m².

We have plot size data on 24 out of 24 other houses in the postcode and 7, Knowbury Avenue, Penarth sits on the 9th largest plot.

7, Knowbury Avenue, Penarth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 15 Jan 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 7, Knowbury Avenue, Penarth was last sold on 12th September 2014 for £467,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since September 2014, the market for similar properties has risen by 10.4%.

• Sold Sep 2014£467,500
• Sold Aug 1999£189,950

According to the Land Registry and our network of Estate Agents, there have been 92 sales of properties similar to 7, Knowbury Avenue, Penarth within a radius of 1.3 kilometres since 2007.

The most recent example is 10, Charteris Close, Penarth, CF64 5RT, a freehold house which sold for £630,000 on the 3rd October 2025.

Read more about house prices in CF64.

• Sold Oct 2025£630,000 | 3 Bed House10, Charteris Close, Penarth, CF64 5RT10, Charteris Close, Penarth, CF64 5RT
• Sold Jul 2025£570,000 | 4 Bed House11, Forrest Road, Penarth, CF64 5BT11, Forrest Road, Penarth, CF64 5BT
• Sold Jun 2025£707,000 | 4 Bed House177, Plymouth Road, Penarth, CF64 5DG177, Plymouth Road, Penarth, CF64 5DG
• Sold Feb 2024£785,000 | 4 Bed House16, Whitcliffe Drive, Penarth, CF64 5RY16, Whitcliffe Drive, Penarth, CF64 5RY
• Sold Oct 2023£581,000 | 4 Bed House7, Rowan Close, Penarth, CF64 5BU7, Rowan Close, Penarth, CF64 5BU
• Sold Jan 2022£625,000 | 4 Bed House1, Knowbury Avenue, Penarth, CF64 5RX1, Knowbury Avenue, Penarth, CF64 5RX
• Sold Jun 2021£515,000 | 4 Bed House14, Birch Lane, Penarth, CF64 5BY14, Birch Lane, Penarth, CF64 5BY
• Sold Mar 2021£592,500 | 4 Bed House15, Robinswood Crescent, Penarth, CF64 3JE15, Robinswood Crescent, Penarth, CF64 3JE
• Sold Aug 2019£515,000 | 4 Bed House1, Rowan Close, Penarth, CF64 5BU1, Rowan Close, Penarth, CF64 5BU
• Sold Aug 2018£510,000 | 4 Bed House7, Cherry Close, Penarth, CF64 5BX7, Cherry Close, Penarth, CF64 5BX
• Sold Jul 2018£550,000 | 4 Bed House2, Rowan Close, Penarth, CF64 5BU2, Rowan Close, Penarth, CF64 5BU
• Sold Oct 2017£430,000 | 4 Bed House4, Rowan Close, Penarth, CF64 5BU4, Rowan Close, Penarth, CF64 5BU
• Sold Aug 2017£520,000 | 4 Bed House25, Caynham Avenue, Penarth, CF64 5RR25, Caynham Avenue, Penarth, CF64 5RR
• Sold Jul 2017£585,000 | 4 Bed House19, Whitcliffe Drive, Penarth, CF64 5RY19, Whitcliffe Drive, Penarth, CF64 5RY
• Sold Oct 2015£457,000 | 4 Bed House122, Lavernock Road, Penarth, CF64 3RP122, Lavernock Road, Penarth, CF64 3RP
• Sold Oct 2015£410,000 | 4 Bed House8, Caynham Avenue, Penarth, CF64 5RR8, Caynham Avenue, Penarth, CF64 5RR
• Sold Aug 2013£460,000 | 4 Bed House20, Caynham Avenue, Penarth, CF64 5RR20, Caynham Avenue, Penarth, CF64 5RR
• Sold Mar 2012£338,000 | 4 Bed House18, Caynham Avenue, Penarth, CF64 5RR18, Caynham Avenue, Penarth, CF64 5RR
• Sold May 2009£395,000 | 4 Bed House3, Whitcliffe Drive, Penarth, CF64 5RY3, Whitcliffe Drive, Penarth, CF64 5RY
• Sold Sep 2007£382,000 | 4 Bed House24, Knowbury Avenue, Penarth, CF64 5RX24, Knowbury Avenue, Penarth, CF64 5RX

Knowbury Avenue, Penarth, CF64 has a total of 24 addresses. According to our analysis of all the public data, 7, Knowbury Avenue, Penarth is the 20th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £272k more expensive than the average property in CF64.

• Penarth

  |

  1.7 km away
• Dingle Road

  |

  2.2 km away
• Eastbrook

  |

  2.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.