Our Data Sources
17, Herbert Street, Mountain Ash has no recent1 records in the the Land Registry and a single entry in the EPC database dated March 2026.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 17, Herbert Street, Mountain Ash is in very good condition we estimate a sale value of £141,034 and a rental value of £848 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £124,916 and a rental value of £751 per month.
Plot Size
According to data from HM Land Registry, 17, Herbert Street, Mountain Ash sits on a plot of 106 m2.
We have plot size data on 39 out of 47 other houses in the postcode and 17, Herbert Street, Mountain Ash sits on the 14th largest plot.
Energy Efficiency
17, Herbert Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Mar 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 17, Herbert Street, Mountain Ash was last sold on 30th April 2003 for £40,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Apr 2003£40,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 17, Herbert Street, Mountain Ash within a radius of 1.3 kilometres over the last 2 years.
The most recent example is 1, Upper Gertrude Street, Mountain Ash, CF45 4RN, a freehold house which sold for £135,000 on the 14th August 2025.
Read more about house prices in CF45.
- Sold Aug 2025£135,000 | 3 Bed House1, Upper Gertrude Street, Mountain Ash, CF45 4RN1, Upper Gertrude Street, Mountain Ash, CF45 4RN
- Sold Jul 2024£120,000 | 3 Bed House6, Herbert Street, Mountain Ash, CF45 4RH6, Herbert Street, Mountain Ash, CF45 4RH
- Sold Apr 2024£75,000 | 3 Bed House45, Herbert Street, Mountain Ash, CF45 4RH45, Herbert Street, Mountain Ash, CF45 4RH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Herbert Street, Abercynon, Mountain Ash, CF45 has a total of 83 addresses. According to our analysis of all the public data, 17, Herbert Street, Mountain Ash is the 25th largest and the 25th most expensive property on the street.
When compared to the postcode district it is £23k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- 100mAbercynon
- 1.8kmQuakers Yard
- 3.5kmPenrhiwceiber
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












