Our Data Sources
3, York Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated September 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 3, York Street, Mountain Ash would be worth £149,454, with a potential rental value of £883 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £132,374, with a rental value of £782 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, York Street, Mountain Ash occupies a 455 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
3, York Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Sep 2023.
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
Land Registry records and our Estate Agent network show 53 sales of comparable properties within 690 metres of 3, York Street, Mountain Ash since 2017.
Most recently, 9, Clarence Street, Mountain Ash, CF45 3BB, a freehold house, sold at £130,000 on the 17th April 2026.
Read more about house prices in CF45.
- Sold Apr 2026£130,000 | 4 Bed House9, Clarence Street, Mountain Ash, CF45 3BB9, Clarence Street, Mountain Ash, CF45 3BB
- Sold Dec 2025£130,000 | 4 Bed House76, Consort Street, Mountain Ash, CF45 3AU76, Consort Street, Mountain Ash, CF45 3AU
- Sold Dec 2025£130,000 | 3 Bed House11, Clarence Street, Mountain Ash, CF45 3BB11, Clarence Street, Mountain Ash, CF45 3BB
- Sold Nov 2025£157,000 | 4 Bed House38, Aberpennar Street, Mountain Ash, CF45 3LS38, Aberpennar Street, Mountain Ash, CF45 3LS
- Sold Sep 2025£142,000 | 4 Bed House33, Kingcraft Street, Mountain Ash, CF45 3LT33, Kingcraft Street, Mountain Ash, CF45 3LT
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 £254,732, ranging from £107,030 to £625,599.
- The Vicarage
5 Bed House | 36 m | Est. Value: £508,119
- 5 York Street
3 Bed House | 45 m | Est. Value: £110,035
- St. Gwynno House
4 Bed House | 46 m | Est. Value: £377,705
- 6 York Street
3 Bed House | 51 m | Est. Value: £107,030
- 35 Cilhaul Terrace
3 Bed House | 56 m | Est. Value: £127,469
Location Comparison
Our analysis of the public data ranks 3, York Street, Mountain Ash as the 2nd largest and the 3rd most expensive of the 18 addresses on York Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £21k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|700 m away
- Penrhiwceiber|1.3 km away
- Fernhill|1.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





