Our Data Sources
30, Glanlay Street, Mountain Ash has a single entry in the Land Registry from October 2017 and a single entry in the EPC database dated February 2017.
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.
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 30, Glanlay Street, Mountain Ash, we estimate a market value of £116,472 and a rental value of £797 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £103,161 and £706 per month respectively.
Plot Size
HM Land Registry records the plot of land for 30, Glanlay Street, Mountain Ash as measuring 103 m2.
That makes it the 22nd largest plot in the postcode, where 44 of the 49 other houses have recorded plot data.
Energy Efficiency
30, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Feb 2017.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 30, Glanlay Street, Mountain Ash completed on 30th October 2017 at £60,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 115.6% over the period since October 2017.
- Sold Oct 2017£60,000
Similar Properties Sold Nearby
Since 2018 145 properties similar to 30, Glanlay Street, Mountain Ash have sold within a radius of 1.0 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th March 2026, was 3, Glanlay Street, Mountain Ash, CF45 3TL, a freehold house which sold for £127,500.
Read more about house prices in CF45.
- Sold Mar 2026£127,500 | 3 Bed House3, Glanlay Street, Mountain Ash, CF45 3TL3, Glanlay Street, Mountain Ash, CF45 3TL
- Sold Nov 2025£155,000 | 3 Bed House60, Morris Avenue, Mountain Ash, CF45 3TW60, Morris Avenue, Mountain Ash, CF45 3TW
- Sold Apr 2025£48,000 | 3 Bed House75, Morris Avenue, Mountain Ash, CF45 3TW75, Morris Avenue, Mountain Ash, CF45 3TW
- Sold Mar 2025£90,000 | 3 Bed House59, Morris Avenue, Mountain Ash, CF45 3TW59, Morris Avenue, Mountain Ash, CF45 3TW
- Sold Mar 2025£82,500 | 3 Bed House3, Morris Avenue, Mountain Ash, CF45 3TW3, Morris Avenue, Mountain Ash, CF45 3TW
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 £118,477, ranging from £105,320 to £131,997.
- 28 Glanlay Street
3 Bed House | 6 m | Est. Value: £123,338
- 34 Glanlay Street
3 Bed House | 10 m | Est. Value: £120,549
- 26 Glanlay Street
3 Bed House | 11 m | Est. Value: £113,231
- 24 Glanlay Street
3 Bed House | 16 m | Est. Value: £127,863
- 27 Glanlay Street
3 Bed House | 20 m | Est. Value: £124,705
Location Comparison
Of the 87 addresses on Glanlay Street, Mountain Ash, CF45, 30, Glanlay Street, Mountain Ash comes out as the 76th largest and the 46th most expensive in our analysis of the public data.
It is also £49k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|300 m away
- Mountain Ash|1.9 km away
- Merthyr Vale|2.7 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.












