According to data from HM Land Registry, 3, King Street, Mountain Ash sits on a plot of 97 m².

We have plot size data on 11 out of 13 other houses in the postcode and 3, King Street, Mountain Ash sits on the 5th largest plot.

3, King Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Dec 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 3, King Street, Mountain Ash was last sold on 13th August 2014 for £55,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since August 2014, the market for similar properties has risen by 62.6%.

• Sold Aug 2014£55,000

According to the Land Registry and our network of Estate Agents, there have been 94 sales of properties similar to 3, King Street, Mountain Ash within a radius of 1.2 kilometres since 2012.

The most recent example is 24, Fife Street, Mountain Ash, CF45 4TU, a freehold house which sold for £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 Jun 2025£134,000 | 3 Bed House21, Jenkin Street, Mountain Ash, CF45 4UL21, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Mar 2025£145,000 | 3 Bed House1, Incline Top, Mountain Ash, CF45 4EH1, Incline Top, Mountain Ash, CF45 4EH
• Sold Dec 2024£70,000 | 3 Bed House17, Jenkin Street, Mountain Ash, CF45 4UL17, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Jul 2024£135,000 | 3 Bed House16, Lock Street, Mountain Ash, CF45 4UH16, Lock Street, Mountain Ash, CF45 4UH
• Sold Jul 2024£133,500 | 3 Bed House28, Jenkin Street, Mountain Ash, CF45 4UL28, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Nov 2023£95,000 | 3 Bed House12, King Street, Mountain Ash, CF45 4UW12, King Street, Mountain Ash, CF45 4UW
• Sold Sep 2023£125,000 | 3 Bed House41, Jenkin Street, Mountain Ash, CF45 4UL41, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Sep 2021£93,000 | 3 Bed House1, King Street, Mountain Ash, CF45 4UW1, King Street, Mountain Ash, CF45 4UW
• Sold Feb 2020£107,500 | 3 Bed House10, King Street, Mountain Ash, CF45 4UW10, King Street, Mountain Ash, CF45 4UW
• Sold Sep 2019£125,000 | 3 Bed House9, King Street, Mountain Ash, CF45 4UW9, King Street, Mountain Ash, CF45 4UW
• Sold Nov 2018£115,000 | 3 Bed House30, Lock Street, Mountain Ash, CF45 4UH30, Lock Street, Mountain Ash, CF45 4UH
• Sold Oct 2018£93,000 | 3 Bed House21, Fife Street, Mountain Ash, CF45 4TU21, Fife Street, Mountain Ash, CF45 4TU
• Sold Jul 2018£67,000 | 3 Bed House4, Jenkin Street, Mountain Ash, CF45 4UL4, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Jul 2017£78,000 | 3 Bed House4, Fife Street, Mountain Ash, CF45 4TU4, Fife Street, Mountain Ash, CF45 4TU
• Sold Aug 2015£65,000 | 3 Bed House16, Jenkin Street, Mountain Ash, CF45 4UL16, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Jul 2014£45,000 | 3 Bed House19, Jenkin Street, Mountain Ash, CF45 4UL19, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Nov 2013£90,000 | 3 Bed House40, Jenkin Street, Mountain Ash, CF45 4UL40, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Aug 2012£47,000 | 3 Bed House36, Jenkin Street, Mountain Ash, CF45 4UL36, Jenkin Street, Mountain Ash, CF45 4UL
• Sold Apr 2012£87,500 | 3 Bed House2, Jenkin Street, Mountain Ash, CF45 4UL2, Jenkin Street, Mountain Ash, CF45 4UL

King Street, Abercynon, Mountain Ash, CF45 has a total of 13 addresses. According to our analysis of all the public data, 3, King Street, Mountain Ash is the 10th largest and the 11th most expensive property on the street.

When compared to the postcode district it is £11k less expensive than the average property in CF45.

• Abercynon

  |

  800 m away
• Quakers Yard

  |

  1.1 km away
• Penrhiwceiber

  |

  3.5 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.