Our Data Sources
40, Lock Street, Mountain Ash has a single entry in the Land Registry from January 2009 and a single entry in the EPC database dated January 2009.
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
In very good condition, we estimate 40, Lock Street, Mountain Ash would be worth £163,957, with a potential rental value of £922 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £145,219, with a rental value of £817 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Lock Street, Mountain Ash occupies a 135 m2 plot as recorded by HM Land Registry.
Of the 49 other houses in this postcode, 41 have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
40, Lock Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Jan 2009.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
40, Lock Street, Mountain Ash last changed hands on 30th January 2009, selling for £32,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 61.1% since January 2009.
- Sold Jan 2009£32,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 251 sales of comparable properties within 1.3 kilometres of 40, Lock Street, Mountain Ash across the last 2 years.
Most recently, 24, Fife Street, Mountain Ash, CF45 4TU, a freehold house, sold at £143,000 on the 11th September 2025.
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
Our analysis of the public data ranks 40, Lock Street, Mountain Ash as the 60th largest and the 72nd most expensive of the 82 addresses on Lock Street, Abercynon, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £4k less expensive than the typical property.
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
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.
