Our Data Sources
31, Mountjoy Avenue, Penarth has no recent1 records in the Land Registry and a single entry in the EPC database dated May 2014.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 31, Mountjoy Avenue, Penarth would be worth £489,334, with a potential rental value of £2,173 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £433,410, with a rental value of £1,925 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
31, Mountjoy Avenue, Penarth occupies a 278 m2 plot as recorded by HM Land Registry.
Of the 25 other houses in this postcode, 24 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
31, Mountjoy Avenue, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 May 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).
Sold Prices
31, Mountjoy Avenue, Penarth last changed hands on 24th October 2000, selling for £116,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
- Sold Oct 2000£116,500
- Sold Feb 1997£57,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 208 sales of comparable properties within 560 metres of 31, Mountjoy Avenue, Penarth since 2021.
Most recently, 7, Hastings Place, Penarth, CF64 2TD, a freehold house, sold at £395,000 on the 16th January 2026.
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 Jun 2025£499,950 | 3 Bed House39, Mountjoy Avenue, Penarth, CF64 2SY39, Mountjoy Avenue, Penarth, CF64 2SY
- 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
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £439,510, ranging from £390,171 to £492,875.
- 33 Mountjoy Avenue
3 Bed House | 6 m | Est. Value: £463,473
- 35 Mountjoy Avenue
3 Bed House | 17 m | Est. Value: £411,436
- 25 Mountjoy Avenue
3 Bed House | 27 m | Est. Value: £413,856
- 23 Mountjoy Avenue
3 Bed House | 33 m | Est. Value: £432,722
- 39 Mountjoy Avenue
3 Bed House | 35 m | Est. Value: £459,564
Location Comparison
Our analysis of the public data ranks 31, Mountjoy Avenue, Penarth as the 5th largest and the 5th most expensive of the 44 addresses on Mountjoy Avenue, Penarth, CF64.
Against the CF64 postcode district average, it is £65k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Dingle Road|700 m away
- Cogan|1.0 km away
- Penarth|1.0 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












