HM Land Registry records the plot of land for 39, Mountjoy Avenue, Penarth as measuring 254 m².

That makes it the 19th largest plot in the postcode, where 24 of the 25 other houses have recorded plot data.

39, Mountjoy Avenue, Penarth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Jul 2023.

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 39, Mountjoy Avenue, Penarth completed on 2nd June 2025 at £499,950 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 18.6% over the period since June 2025.

• Sold Jun 2025£499,950
• Sold Aug 2012£239,000
• Sold Mar 2004£199,000

Since 2021 211 properties similar to 39, Mountjoy Avenue, Penarth have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 16th January 2026, was 7, Hastings Place, Penarth, CF64 2TD, a freehold house which sold for £395,000.

Read more about house prices in CF64.

• Sold Jan 2026£395,000 | 3 Bed House7, Hastings Place, Penarth, CF64 2TD7, Hastings Place, Penarth, CF64 2TD
• Sold Jan 2026£515,000 | 3 Bed House68, Wordsworth Avenue, Penarth, CF64 2RN68, Wordsworth Avenue, Penarth, CF64 2RN
• Sold May 2025£470,000 | 3 Bed House20, Mountjoy Crescent, Penarth, CF64 2SZ20, Mountjoy Crescent, Penarth, CF64 2SZ
• Sold May 2025£459,000 | 4 Bed House84, Coleridge Avenue, Penarth, CF64 2SR84, Coleridge Avenue, Penarth, CF64 2SR
• Sold Feb 2025£425,000 | 3 Bed House45, Mountjoy Avenue, Penarth, CF64 2SY45, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Jan 2025£587,500 | 3 Bed House4, Countess Place, Penarth, CF64 3UJ4, Countess Place, Penarth, CF64 3UJ
• Sold Nov 2024£400,000 | 3 Bed House22, Countess Place, Penarth, CF64 3UJ22, Countess Place, Penarth, CF64 3UJ
• Sold Jul 2024£525,000 | 3 Bed House76, Wordsworth Avenue, Penarth, CF64 2RN76, Wordsworth Avenue, Penarth, CF64 2RN
• Sold Jul 2024£645,000 | 4 Bed House71, Coleridge Avenue, Penarth, CF64 2SR71, Coleridge Avenue, Penarth, CF64 2SR
• Sold Jul 2024£450,000 | 4 Bed House124, Wordsworth Avenue, Penarth, CF64 2RQ124, Wordsworth Avenue, Penarth, CF64 2RQ
• Sold Jun 2024£450,000 | 3 Bed House33, Mountjoy Avenue, Penarth, CF64 2SY33, Mountjoy Avenue, Penarth, CF64 2SY
• Sold Jun 2024£413,000 | 3 Bed House8, Milton Road, Penarth, CF64 2SW8, Milton Road, Penarth, CF64 2SW
• Sold Dec 2023£550,000 | 3 Bed House72, Wordsworth Avenue, Penarth, CF64 2RN72, Wordsworth Avenue, Penarth, CF64 2RN
• Sold Dec 2022£460,000 | 3 Bed House118, Wordsworth Avenue, Penarth, CF64 2RQ118, Wordsworth Avenue, Penarth, CF64 2RQ
• Sold Sep 2021£360,000 | 3 Bed House78, Wordsworth Avenue, Penarth, CF64 2RN78, Wordsworth Avenue, Penarth, CF64 2RN
• Sold Jun 2021£359,950 | 4 Bed House22, Mountjoy Place, Penarth, CF64 2TB22, Mountjoy Place, Penarth, CF64 2TB
• Sold Jun 2021£367,500 | 3 Bed House23, Mountjoy Avenue, Penarth, CF64 2SY23, Mountjoy Avenue, Penarth, CF64 2SY
• Sold May 2021£445,000 | 3 Bed House107, Wordsworth Avenue, Penarth, CF64 2RQ107, Wordsworth Avenue, Penarth, CF64 2RQ
• 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

Of the 44 addresses on Mountjoy Avenue, Penarth, CF64, 39, Mountjoy Avenue, Penarth comes out as the 7th largest and the 7th most expensive in our analysis of the public data.

It is also £58k more expensive than the average property across the CF64 district.

• Dingle Road

  |

  700 m away
• Cogan

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  1.0 km away
• Penarth

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  1.0 km away

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