Our Data Sources
14, Lock Street, Mountain Ash has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
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 14, Lock Street, Mountain Ash, we estimate a market value of £160,347 and a rental value of £914 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £142,022 and £810 per month respectively.
Plot Size
HM Land Registry records the plot of land for 14, Lock Street, Mountain Ash as measuring 104 m2.
That makes it the 40th largest plot in the postcode, where 41 of the 49 other houses have recorded plot data.
Energy Efficiency
14, Lock Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Feb 2026.
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 226 properties similar to 14, Lock Street, Mountain Ash have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th September 2025, was 24, Fife Street, Mountain Ash, CF45 4TU, a freehold house which sold for £143,000.
Read more about house prices in CF45.
- Sold Sep 2025£143,000 | 3 Bed House24, Fife Street, Mountain Ash, CF45 4TU24, Fife Street, Mountain Ash, CF45 4TU
- Sold Jul 2024£133,500 | 3 Bed House28, Jenkin Street, Mountain Ash, CF45 4UL28, Jenkin Street, Mountain Ash, CF45 4UL
- Sold Sep 2023£125,000 | 3 Bed House41, Jenkin Street, Mountain Ash, CF45 4UL41, Jenkin Street, Mountain Ash, CF45 4UL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 82 addresses on Lock Street, Abercynon, Mountain Ash, CF45, 14, Lock Street, Mountain Ash comes out as the 76th largest and the 77th most expensive in our analysis of the public data.
It is also £8k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Abercynon|700 m away
- Quakers Yard|1.3 km away
- Penrhiwceiber|3.5 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.
