Our Data Sources
81, Herbert Street, Mountain Ash has no recent1 records in the the Land Registry and a single entry in the EPC database dated June 2018.
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
In very good condition, we estimate 81, Herbert Street, Mountain Ash would be worth £159,261, with a potential rental value of £916 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £141,060, with a rental value of £811 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
81, Herbert Street, Mountain Ash occupies a 90 m2 plot as recorded by HM Land Registry.
Of the 34 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 27th largest.
Energy Efficiency
81, Herbert Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Jun 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
81, Herbert Street, Mountain Ash last changed hands on 16th April 1998, selling for £25,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Apr 1998£25,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 150 sales of comparable properties within 1.1 kilometres of 81, Herbert Street, Mountain Ash across the last 2 years.
Most recently, 3, Ann Street, Mountain Ash, CF45 4NW, a freehold house, sold at £170,000 on the 13th March 2026.
Read more about house prices in CF45.
- Sold Mar 2026£170,000 | 3 Bed House3, Ann Street, Mountain Ash, CF45 4NW3, Ann Street, Mountain Ash, CF45 4NW
- Sold Mar 2026£120,000 | 3 Bed House14, New Street, Mountain Ash, CF45 4NR14, New Street, Mountain Ash, CF45 4NR
- Sold Aug 2025£179,950 | 3 Bed House13, New Street, Mountain Ash, CF45 4NR13, New Street, Mountain Ash, CF45 4NR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 81, Herbert Street, Mountain Ash as the largest and the 2nd most expensive of the 83 addresses on Herbert Street, Abercynon, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £9k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Abercynon|200 m away
- Quakers Yard|1.8 km away
- Penrhiwceiber|3.4 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.












