According to data from HM Land Registry, 55, Mountjoy Avenue, Penarth sits on a plot of 258 m².

We have plot size data on 24 out of 25 other houses in the postcode and 55, Mountjoy Avenue, Penarth sits on the 18th largest plot.

55, Mountjoy Avenue, Penarth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 26 Oct 2009.

The property is 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, 55, Mountjoy Avenue, Penarth was last sold on 30th April 2010 for £240,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since April 2010, the market for similar properties has risen by 43.2%.

• Sold Apr 2010£240,000
• Sold Jul 1997£68,500

According to the Land Registry and our network of Estate Agents, there have been 128 sales of properties similar to 55, Mountjoy Avenue, Penarth within a radius of 580 metres since 2011.

The most recent example is 68, Wordsworth Avenue, Penarth, CF64 2RN, a freehold house which sold for £515,000 on the 12th January 2026.

Read more about house prices in CF64.

• Sold Jan 2026£515,000 | 3 Bed House68, Wordsworth Avenue, Penarth, CF64 2RN68, Wordsworth Avenue, Penarth, CF64 2RN
• Sold Oct 2025£357,500 | 3 Bed House123, Redlands Road, Penarth, CF64 2WG123, Redlands Road, Penarth, CF64 2WG
• Sold Feb 2025£425,000 | 3 Bed House45, Mountjoy Avenue, Penarth, CF64 2SY45, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Jul 2024£387,500 | 3 Bed House40, Coleridge Avenue, Penarth, CF64 2SP40, Coleridge Avenue, Penarth, CF64 2SP
• Sold Mar 2024£362,500 | 3 Bed House14, Hastings Place, Penarth, CF64 2TD14, Hastings Place, Penarth, CF64 2TD
• Sold Jun 2023£432,500 | 3 Bed House35, Mountjoy Avenue, Penarth, CF64 2SY35, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Dec 2022£460,000 | 3 Bed House118, Wordsworth Avenue, Penarth, CF64 2RQ118, Wordsworth Avenue, Penarth, CF64 2RQ
• Sold May 2022£399,950 | 3 Bed House5, Mountjoy Place, Penarth, CF64 2TB5, Mountjoy Place, Penarth, CF64 2TB
• Sold Oct 2021£310,000 | 3 Bed House110, Wordsworth Avenue, Penarth, CF64 2RP110, Wordsworth Avenue, Penarth, CF64 2RP
• Sold Jun 2021£367,500 | 3 Bed House23, Mountjoy Avenue, Penarth, CF64 2SY23, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Mar 2021£340,000 | 3 Bed House9, Hastings Place, Penarth, CF64 2TD9, Hastings Place, Penarth, CF64 2TD
• Sold Feb 2021£320,000 | 3 Bed House43, Mountjoy Avenue, Penarth, CF64 2SY43, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Jan 2021£305,000 | 3 Bed House58, Hastings Avenue, Penarth, CF64 2TG58, Hastings Avenue, Penarth, CF64 2TG
• Sold Sep 2018£330,000 | 3 Bed House6, Hastings Place, Penarth, CF64 2TD6, Hastings Place, Penarth, CF64 2TD
• Sold Nov 2017£270,000 | 3 Bed House13, Mountjoy Crescent, Penarth, CF64 2SZ13, Mountjoy Crescent, Penarth, CF64 2SZ
• Sold Jan 2016£285,000 | 3 Bed House25, Mountjoy Avenue, Penarth, CF64 2SY25, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Oct 2014£282,500 | 3 Bed House134, Redlands Road, Penarth, CF64 2WN134, Redlands Road, Penarth, CF64 2WN
• Sold Sep 2013£235,000 | 3 Bed House130, Redlands Road, Penarth, CF64 2WN130, Redlands Road, Penarth, CF64 2WN
• Sold Sep 2012£241,500 | 3 Bed House118, Redlands Road, Penarth, CF64 2WN118, Redlands Road, Penarth, CF64 2WN
• Sold Sep 2011£250,000 | 3 Bed House124, Redlands Road, Penarth, CF64 2WN124, Redlands Road, Penarth, CF64 2WN

Mountjoy Avenue, Penarth, CF64 has a total of 44 addresses. According to our analysis of all the public data, 55, Mountjoy Avenue, Penarth is the 27th largest and the 23rd most expensive property on the street.

When compared to the postcode district it is £16k more expensive than the average property in CF64.

• Dingle Road

  |

  700 m away
• Cogan

  |

  1.0 km away
• Penarth

  |

  1.0 km away

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