Our Data Sources
43, Glanlay Street, Mountain Ash has 21 entries in the Land Registry, most recently in July 2015 and a single entry in the EPC database dated June 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 43, Glanlay Street, Mountain Ash would be worth £135,146, with a potential rental value of £852 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £119,700, with a rental value of £755 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
43, Glanlay Street, Mountain Ash occupies a 102 m2 plot as recorded by HM Land Registry.
Of the 49 other houses in this postcode, 44 have recorded plot sizes, and this one ranks as the 29th largest.
Energy Efficiency
43, Glanlay Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jun 2025.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
43, Glanlay Street, Mountain Ash last changed hands on 24th July 2015, selling for £80,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 134.0% since July 2015.
- Sold Jul 2015£80,000
- Sold Oct 2005£55,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 220 sales of comparable properties within 1.0 kilometres of 43, Glanlay Street, Mountain Ash since 2020.
Most recently, 32, Rheola Street, Mountain Ash, CF45 3TB, a freehold house, sold at £150,000 on the 27th March 2026.
Read more about house prices in CF45.
- Sold Mar 2026£150,000 | 3 Bed House32, Rheola Street, Mountain Ash, CF45 3TB32, Rheola Street, Mountain Ash, CF45 3TB
- Sold Feb 2026£95,000 | 3 Bed House11, Glanlay Street, Mountain Ash, CF45 3TL11, Glanlay Street, Mountain Ash, CF45 3TL
- Sold Nov 2025£135,000 | 3 Bed House9, Cynon Terrace, Mountain Ash, CF45 3SU9, Cynon Terrace, Mountain Ash, CF45 3SU
- Sold May 2025£69,000 | 3 Bed House11, Morris Avenue, Mountain Ash, CF45 3TW11, Morris Avenue, Mountain Ash, CF45 3TW
- Sold May 2025£98,000 | 3 Bed House1, Morris Avenue, Mountain Ash, CF45 3TW1, 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 £122,623, ranging from £106,890 to £142,923.
- 41 Glanlay Street
3 Bed House | 5 m | Est. Value: £112,222
- 39 Glanlay Street
3 Bed House | 11 m | Est. Value: £117,527
- 49 Glanlay Street
4 Bed House | 15 m | Est. Value: £142,923
- 37 Glanlay Street
3 Bed House | 16 m | Est. Value: £116,041
- 42 Glanlay Street
3 Bed House | 20 m | Est. Value: £114,531
Location Comparison
Our analysis of the public data ranks 43, Glanlay Street, Mountain Ash as the 13th largest and the 12th most expensive of the 87 addresses on Glanlay Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £34k less expensive than the typical property.
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
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.












