Our Data Sources
21, Martins Terrace, Mountain Ash has no records in the the Land Registry and a single entry in the EPC database dated October 2011.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 21, Martins Terrace, Mountain Ash, we estimate a market value of £126,360 and a rental value of £825 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £111,919 and £731 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Martins Terrace, Mountain Ash as measuring 90 m2.
That makes it the 14th largest plot in the postcode, where 28 of the 30 other houses have recorded plot data.
Energy Efficiency
21, Martins Terrace, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 12 Oct 2011.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 200 properties similar to 21, Martins Terrace, Mountain Ash have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 24th April 2026, was 12, Herbert Street, Mountain Ash, CF45 4RH, a freehold house which sold for £163,000.
Read more about house prices in CF45.
- Sold Apr 2026£163,000 | 3 Bed House12, Herbert Street, Mountain Ash, CF45 4RH12, Herbert Street, Mountain Ash, CF45 4RH
- Sold Oct 2025£120,000 | 3 Bed House24, Herbert Street, Mountain Ash, CF45 4RH24, Herbert Street, Mountain Ash, CF45 4RH
- Sold Jul 2022£128,000 | 3 Bed House19, Martins Terrace, Mountain Ash, CF45 4SB19, Martins Terrace, Mountain Ash, CF45 4SB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 30 addresses on Martins Terrace, Abercynon, Mountain Ash, CF45, 21, Martins Terrace, Mountain Ash comes out as the 17th largest and the 17th most expensive in our analysis of the public data.
It is also £40k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Abercynon|100 m away
- Quakers Yard|1.9 km away
- Penrhiwceiber|3.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
