Our Data Sources
80, Glanlay Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated April 2025.
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
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 80, Glanlay Street, Mountain Ash, we estimate a market value of £97,570 and a rental value of £708 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £86,419 and £627 per month respectively.
Plot Size
HM Land Registry records the plot of land for 80, Glanlay Street, Mountain Ash as measuring 105 m2.
That makes it the 11th largest plot in the postcode, where 29 of the 38 other houses have recorded plot data.
Energy Efficiency
80, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Apr 2025.
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
Since 2016 39 properties similar to 80, Glanlay Street, Mountain Ash have sold within a radius of 990 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th April 2026, was 74, Church Street, Mountain Ash, CF45 3YB, a freehold house which sold for £72,000.
Read more about house prices in CF45.
- Sold Apr 2026£72,000 | 3 Bed House74, Church Street, Mountain Ash, CF45 3YB74, Church Street, Mountain Ash, CF45 3YB
- Sold Nov 2025£130,000 | 3 Bed House22, Station Terrace, Mountain Ash, CF45 3SS22, Station Terrace, Mountain Ash, CF45 3SS
- Sold Nov 2025£80,000 | 3 Bed House14, Monmouth Street, Mountain Ash, CF45 3NJ14, Monmouth Street, Mountain Ash, CF45 3NJ
- Sold May 2025£56,500 | 3 Bed House13, Dilwyn Street, Mountain Ash, CF45 3YG13, Dilwyn Street, Mountain Ash, CF45 3YG
- Sold Mar 2025£90,000 | 3 Bed House59, Morris Avenue, Mountain Ash, CF45 3TW59, Morris Avenue, Mountain Ash, CF45 3TW
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 £105,221, ranging from £99,774 to £130,389.
- 84 Glanlay Street
3 Bed House | 11 m | Est. Value: £101,234
- 86 Glanlay Street
4 Bed House | 17 m | Est. Value: £130,389
- 72 Glanlay Street
3 Bed House | 19 m | Est. Value: £100,507
- 77 Glanlay Street
3 Bed House | 19 m | Est. Value: £99,774
- 70 Glanlay Street
3 Bed House | 24 m | Est. Value: £99,774
Location Comparison
Of the 87 addresses on Glanlay Street, Mountain Ash, CF45, 80, Glanlay Street, Mountain Ash comes out as the 84th largest and the 87th most expensive in our analysis of the public data.
It is also £70k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|200 m away
- Mountain Ash|1.8 km away
- Merthyr Vale|2.6 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












