Our Data Sources
13, Trem Y Mynydd, Mountain Ash has a single entry in the Land Registry from December 2018 and a single entry in the EPC database dated December 2018.
We combine this information with that 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
In very good condition, we estimate 13, Trem Y Mynydd, Mountain Ash would be worth £296,551, with a potential rental value of £1,311 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £262,660, with a rental value of £1,161 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
13, Trem Y Mynydd, Mountain Ash occupies a 346 m2 plot as recorded by HM Land Registry.
All 13 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
13, Trem Y Mynydd, Mountain Ash has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 14 Dec 2018.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
13, Trem Y Mynydd, Mountain Ash last changed hands on 19th December 2018, selling for £218,995. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 52.8% since December 2018.
- Sold Dec 2018£218,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 23 sales of comparable properties within 620 metres of 13, Trem Y Mynydd, Mountain Ash since 2008.
Most recently, 2, Ffordd Y Glowyr, Mountain Ash, CF45 4FD, a freehold house, sold at £309,500 on the 6th March 2026.
Read more about house prices in CF45.
- Sold Mar 2026£309,500 | 4 Bed House2, Ffordd Y Glowyr, Mountain Ash, CF45 4FD2, Ffordd Y Glowyr, Mountain Ash, CF45 4FD
- Sold Nov 2024£262,000 | 4 Bed House42, Ffordd Y Glowyr, Mountain Ash, CF45 4FD42, Ffordd Y Glowyr, Mountain Ash, CF45 4FD
- Sold Sep 2024£267,500 | 4 Bed House8, Trem Y Mynydd, Mountain Ash, CF45 4FF8, Trem Y Mynydd, Mountain Ash, CF45 4FF
- Sold Dec 2022£292,000 | 4 Bed House13, Darran Road, Mountain Ash, CF45 3HT13, Darran Road, Mountain Ash, CF45 3HT
- Sold Aug 2022£266,000 | 4 Bed House48, Ffordd Y Glowyr, Mountain Ash, CF45 4FD48, Ffordd Y Glowyr, Mountain Ash, CF45 4FD
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 £218,646, ranging from £176,536 to £274,298.
- 11 Trem Y Mynydd
3 Bed House | 10 m | Est. Value: £232,919
- 15 Trem Y Mynydd
4 Bed House | 11 m | Est. Value: £274,298
- 9 Trem Y Mynydd
3 Bed House | 17 m | Est. Value: £232,919
- 12 Ger Yr Afon
3 Bed House | 23 m | Est. Value: £232,486
- 7 Trem Y Mynydd
3 Bed House | 25 m | Est. Value: £233,269
Location Comparison
Our analysis of the public data ranks 13, Trem Y Mynydd, Mountain Ash as the largest and the most expensive of the 13 addresses on Trem Y Mynydd, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £122k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|400 m away
- Penrhiwceiber|1.3 km away
- Fernhill|1.8 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












