Our Data Sources
12, Lock Street, Mountain Ash has 2 entries in the Land Registry , most recently in January 2016 and a single entry in the EPC database dated October 2015.
We combine this information with that 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 12, Lock Street, Mountain Ash, we estimate a market value of £167,159 and a rental value of £929 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £148,055 and £823 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Lock Street, Mountain Ash as measuring 119 m2.
That makes it the 37th largest plot in the postcode, where 41 of the 49 other houses have recorded plot data.
Energy Efficiency
12, Lock Street, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Oct 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 12, Lock Street, Mountain Ash completed on 20th January 2016 at £129,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 57.6% over the period since January 2016.
- Sold Jan 2016£129,000
- Sold Apr 2015£60,000
Similar Properties Sold Nearby
Over the past 2 years 257 properties similar to 12, 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 20th October 2025, was 15, Greenfield Terrace, Mountain Ash, CF45 4TL, a freehold house which sold for £105,000.
Read more about house prices in CF45.
- Sold Oct 2025£105,000 | 3 Bed House15, Greenfield Terrace, Mountain Ash, CF45 4TL15, Greenfield Terrace, Mountain Ash, CF45 4TL
- Sold Sep 2025£143,000 | 3 Bed House24, Fife Street, Mountain Ash, CF45 4TU24, Fife Street, Mountain Ash, CF45 4TU
- Sold May 2024£143,000 | 3 Bed House1, Greenfield Terrace, Mountain Ash, CF45 4TL1, Greenfield Terrace, Mountain Ash, CF45 4TL
•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, 12, Lock Street, Mountain Ash comes out as the 42nd largest and the 65th most expensive in our analysis of the public data.
It is also £1k 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.
