Our Data Sources
12, Mariners Heights, Penarth has 31 entries in the Land Registry, most recently in March 2025 and a single entry in the EPC database dated November 2023.
We combine this information with that 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 12, Mariners Heights, Penarth, we estimate a market value of £158,418 and a rental value of £1,093 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £140,313 and £968 per month respectively.
Energy Efficiency
12, Mariners Heights, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2023.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
The most recent sale of 12, Mariners Heights, Penarth completed on 31st March 2025 at £142,500 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 6.2% over the period since March 2025.
- Sold Mar 2025£142,500
- Sold May 2016£108,500
- Sold Aug 2000£59,950
Similar Properties Sold Nearby
Since 2007 34 properties similar to 12, Mariners Heights, Penarth have sold within a radius of 590 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th January 2026, was 29, Plas St. Pol De Leon, Penarth, CF64 1TR, a leasehold flat which sold for £174,075.
Read more about house prices in CF64.
- Sold Jan 2026£174,075 | 2 Bed Flat29, Plas St. Pol De Leon, Penarth, CF64 1TR29, Plas St. Pol De Leon, Penarth, CF64 1TR
- Sold Jul 2025£166,000 | 2 Bed Flat39, Llwyn Passat, Penarth, CF64 1SE39, Llwyn Passat, Penarth, CF64 1SE
- Sold May 2025£140,000 | 2 Bed Flat5, Mariners Heights, Penarth, CF64 1QJ5, Mariners Heights, Penarth, CF64 1QJ
- Sold Mar 2025£168,000 | 2 Bed Flat54, Llwyn Passat, Penarth, CF64 1SE54, Llwyn Passat, Penarth, CF64 1SE
- Sold Feb 2025£160,000 | 2 Bed FlatFlat 5, The Royal, Queens Road, Penarth, CF64 1BQFlat 5, The Royal, Queens Road, Penarth, CF64 1BQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £156,966, ranging from £132,099 to £172,478.
- 4 Mariners Heights
2 Bed Flat | 0 m | Est. Value: £159,573
- 8 Mariners Heights
2 Bed Flat | 0 m | Est. Value: £153,881
- 7 Mariners Heights
2 Bed Flat | 6 m | Est. Value: £157,895
- 11 Mariners Heights
2 Bed Flat | 6 m | Est. Value: £162,141
- 3 Mariners Heights
2 Bed Flat | 6 m | Est. Value: £152,386
Location Comparison
Of the 36 addresses on Mariners Heights, Penarth, CF64, 12, Mariners Heights, Penarth comes out as the 33rd largest and the 32nd most expensive in our analysis of the public data.
It is also £251k less expensive than the average property across the CF64 district.
More reading links
Schools Nearby
Public Transport Nearby
- Dingle Road|900 m away
- Penarth|1.0 km away
- Cogan|1.4 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
