Our Data Sources
17, Glyngwyn Street, Mountain Ash has 21 entries in the Land Registry , most recently in April 2008 and a single entry in the EPC database dated March 2020.
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
In very good condition, we estimate 17, Glyngwyn Street, Mountain Ash would be worth £98,763, with a potential rental value of £715 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £87,476, with a rental value of £633 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Glyngwyn Street, Mountain Ash occupies a 93 m2 plot as recorded by HM Land Registry.
Of the 48 other houses in this postcode, 44 have recorded plot sizes, and this one ranks as the 43rd largest.
Energy Efficiency
17, Glyngwyn Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Mar 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
17, Glyngwyn Street, Mountain Ash last changed hands on 30th April 2008, selling for £42,000. 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 97.3% since April 2008.
- Sold Apr 2008£42,000
- Sold May 2002£18,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 58 sales of comparable properties within 550 metres of 17, Glyngwyn Street, Mountain Ash across the last 2 years.
Most recently, 47, Victoria Street, Mountain Ash, CF45 3AP, a freehold house, sold at £50,000 on the 27th August 2025.
Read more about house prices in CF45.
- Sold Aug 2025£50,000 | 3 Bed House47, Victoria Street, Mountain Ash, CF45 3AP47, Victoria Street, Mountain Ash, CF45 3AP
- Sold May 2025£119,000 | 3 Bed House74, Victoria Street, Mountain Ash, CF45 3AP74, Victoria Street, Mountain Ash, CF45 3AP
- Sold Oct 2022£95,000 | 3 Bed House11, Glyngwyn Street, Mountain Ash, CF45 3AF11, Glyngwyn Street, Mountain Ash, CF45 3AF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 17, Glyngwyn Street, Mountain Ash as the 46th largest and the 46th most expensive of the 48 addresses on Glyngwyn Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £66k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|500 m away
- Penrhiwceiber|1.2 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 is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












