Our Data Sources
30, Cliff Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated February 2022.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 30, Cliff Street, Mountain Ash is in very good condition we estimate a sale value of £116,582 and a rental value of £770 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £103,259 and a rental value of £682 per month.
Plot Size
According to data from HM Land Registry, 30, Cliff Street, Mountain Ash sits on a plot of 86 m2.
We have plot size data on 35 out of 42 other houses in the postcode and 30, Cliff Street, Mountain Ash sits on the 10th largest plot.
Energy Efficiency
30, Cliff Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Feb 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 151 sales of properties similar to 30, Cliff Street, Mountain Ash within a radius of 600 metres since 2019.
The most recent example is 16, Lyle Street, Mountain Ash, CF45 3RG, a freehold house which sold for £95,000 on the 24th April 2026.
Read more about house prices in CF45.
- Sold Apr 2026£95,000 | 3 Bed House16, Lyle Street, Mountain Ash, CF45 3RG16, Lyle Street, Mountain Ash, CF45 3RG
- Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
- Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
- Sold Aug 2025£85,000 | 3 Bed House13, Victor Street, Mountain Ash, CF45 3LG13, Victor Street, Mountain Ash, CF45 3LG
- Sold Jul 2025£49,000 | 3 Bed House49, Commercial Street, Mountain Ash, CF45 3PS49, Commercial Street, Mountain Ash, CF45 3PS
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 £116,820, ranging from £94,907 to £145,635.
- 28 Cliff Street
3 Bed House | 6 m | Est. Value: £121,845
- 24 Cliff Street
3 Bed House | 16 m | Est. Value: £97,623
- 36 Cliff Street
4 Bed House | 19 m | Est. Value: £139,118
- 29 Cliff Street
3 Bed House | 22 m | Est. Value: £103,439
- 6 Eva Street
3 Bed House | 23 m | Est. Value: £145,635
Location Comparison
Cliff Street, Mountain Ash, CF45 has a total of 42 addresses. According to our analysis of all the public data, 30, Cliff Street, Mountain Ash is the 9th largest and the 18th most expensive property on the street.
When compared to the postcode district it is £49k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|300 m away
- Fernhill|1.2 km away
- Penrhiwceiber|1.9 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












