According to data from HM Land Registry, 28, Thomas Street, Mountain Ash sits on a plot of 144 m².

We have plot size data on 24 out of 41 other houses in the postcode and 28, Thomas Street, Mountain Ash sits on the 14th largest plot.

28, Thomas Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Oct 2021.

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, 28, Thomas Street, Mountain Ash was last sold on 18th February 2022 for £95,000 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since February 2022, the market for similar properties has risen by 38.4%.

• Sold Feb 2022£95,000
• Sold Apr 2020£56,000
• Sold Jan 2016£66,500

According to the Land Registry and our network of Estate Agents, there have been 107 sales of properties similar to 28, Thomas Street, Mountain Ash within a radius of 620 metres since 2018.

The most recent example is 38, Harcourt Terrace, Mountain Ash, CF45 3SD, a freehold house which sold for £97,000 on the 12th January 2026.

Read more about house prices in CF45.

• Sold Jan 2026£97,000 | 3 Bed House38, Harcourt Terrace, Mountain Ash, CF45 3SD38, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold Jul 2025£95,000 | 3 Bed House38, Albert Street, Mountain Ash, CF45 3BA38, Albert Street, Mountain Ash, CF45 3BA
• Sold May 2025£103,000 | 3 Bed House15, Albany Street, Mountain Ash, CF45 3BE15, Albany Street, Mountain Ash, CF45 3BE
• Sold Apr 2025£72,000 | 3 Bed House16, Albert Street, Mountain Ash, CF45 3BA16, Albert Street, Mountain Ash, CF45 3BA
• Sold Feb 2025£92,750 | 3 Bed House19, Harcourt Terrace, Mountain Ash, CF45 3SD19, Harcourt Terrace, Mountain Ash, CF45 3SD
• Sold Dec 2024£130,000 | 3 Bed House30, Cilhaul Terrace, Mountain Ash, CF45 3ND30, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Jul 2024£75,000 | 3 Bed House12, Hughes Street, Mountain Ash, CF45 3UG12, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jul 2024£105,000 | 3 Bed House14, Clarence Street, Mountain Ash, CF45 3BB14, Clarence Street, Mountain Ash, CF45 3BB
• Sold Sep 2023£120,000 | 3 Bed House9, Albert Street, Mountain Ash, CF45 3BA9, Albert Street, Mountain Ash, CF45 3BA
• Sold Jun 2023£67,000 | 3 Bed House6, Morgan Street, Mountain Ash, CF45 3YN6, Morgan Street, Mountain Ash, CF45 3YN
• Sold May 2023£96,950 | 3 Bed House22, Oakland Street, Mountain Ash, CF45 3AL22, Oakland Street, Mountain Ash, CF45 3AL
• Sold Mar 2023£150,000 | 3 Bed House35, Cilhaul Terrace, Mountain Ash, CF45 3ND35, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Sep 2022£105,000 | 3 Bed House3, Hughes Street, Mountain Ash, CF45 3UG3, Hughes Street, Mountain Ash, CF45 3UG
• Sold Jul 2022£115,000 | 3 Bed House24, Edward Street, Mountain Ash, CF45 3AJ24, Edward Street, Mountain Ash, CF45 3AJ
• Sold Jul 2022£93,000 | 3 Bed House18, Oakland Street, Mountain Ash, CF45 3AL18, Oakland Street, Mountain Ash, CF45 3AL
• Sold Jul 2021£114,000 | 3 Bed House9, Consort Street, Mountain Ash, CF45 3AY9, Consort Street, Mountain Ash, CF45 3AY
• Sold Jun 2021£70,000 | 3 Bed House2, Consort Street, Mountain Ash, CF45 3AY2, Consort Street, Mountain Ash, CF45 3AY
• Sold May 2021£87,000 | 3 Bed House8, Thomas Street, Mountain Ash, CF45 3BU8, Thomas Street, Mountain Ash, CF45 3BU
• Sold Apr 2021£77,000 | 3 Bed House27, Glancynon Street, Mountain Ash, CF45 3YU27, Glancynon Street, Mountain Ash, CF45 3YU
• Sold Oct 2018£45,000 | 3 Bed House35, Oakland Street, Mountain Ash, CF45 3AL35, Oakland Street, Mountain Ash, CF45 3AL

Thomas Street, Mountain Ash, CF45 has a total of 73 addresses. According to our analysis of all the public data, 28, Thomas Street, Mountain Ash is the 64th largest and the 60th most expensive property on the street.

When compared to the postcode district it is £38k less expensive than the average property in CF45.

• Mountain Ash

  |

  800 m away
• Penrhiwceiber

  |

  1.0 km away
• Fernhill

  |

  2.1 km away

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