HM Land Registry records the plot of land for 25, Cilhaul Terrace, Mountain Ash as measuring 159 m².

That makes it the 12th largest plot in the postcode, where 50 of the 58 other houses have recorded plot data.

25, Cilhaul Terrace, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 May 2022.

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

The most recent sale of 25, Cilhaul Terrace, Mountain Ash completed on 19th July 2022 at £90,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 36.5% over the period since July 2022.

Since 2020 147 properties similar to 25, Cilhaul Terrace, Mountain Ash have sold within a radius of 700 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th February 2026, was 12, Thomas Street, Mountain Ash, CF45 3BU, a freehold house which sold for £145,000.

Read more about house prices in CF45.

• Sold Feb 2026£145,000 | 3 Bed House12, Thomas Street, Mountain Ash, CF45 3BU12, Thomas Street, Mountain Ash, CF45 3BU
• Sold Feb 2026£157,000 | 3 Bed House43, Cilhaul Terrace, Mountain Ash, CF45 3ND43, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Feb 2026£150,000 | 3 Bed House3, Gwernifor Street, Mountain Ash, CF45 3NA3, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Nov 2025£150,000 | 3 Bed House29, Coplestone Street, Mountain Ash, CF45 3LY29, Coplestone Street, Mountain Ash, CF45 3LY
• Sold Sep 2025£130,000 | 3 Bed House14, Oakland Street, Mountain Ash, CF45 3AL14, Oakland Street, Mountain Ash, CF45 3AL
• Sold Aug 2025£110,000 | 3 Bed House10, Cilhaul Terrace, Mountain Ash, CF45 3ND10, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold May 2025£165,000 | 3 Bed House26, Cilhaul Terrace, Mountain Ash, CF45 3ND26, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Nov 2024£165,000 | 3 Bed House16, Gwernifor Street, Mountain Ash, CF45 3NA16, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Sep 2024£170,000 | 3 Bed House24, Gwernifor Street, Mountain Ash, CF45 3NA24, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Aug 2024£137,250 | 3 Bed House41, Cilhaul Terrace, Mountain Ash, CF45 3ND41, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Aug 2024£111,500 | 3 Bed House50, Cilhaul Terrace, Mountain Ash, CF45 3ND50, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Aug 2024£93,500 | 3 Bed House7, Cilhaul Terrace, Mountain Ash, CF45 3ND7, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold May 2023£115,000 | 3 Bed House40, Oakland Street, Mountain Ash, CF45 3AL40, Oakland Street, Mountain Ash, CF45 3AL
• Sold Apr 2023£150,000 | 3 Bed House8, Cilhaul Terrace, Mountain Ash, CF45 3ND8, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Mar 2023£120,000 | 3 Bed House4, Gwernifor Street, Mountain Ash, CF45 3NA4, Gwernifor Street, Mountain Ash, CF45 3NA
• Sold Feb 2023£80,000 | 3 Bed House58, Cilhaul Terrace, Mountain Ash, CF45 3ND58, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Jan 2022£85,000 | 3 Bed House39, Thomas Street, Mountain Ash, CF45 3BU39, Thomas Street, Mountain Ash, CF45 3BU
• Sold Jul 2021£110,000 | 3 Bed House24, Cilhaul Terrace, Mountain Ash, CF45 3ND24, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Mar 2021£97,000 | 3 Bed House18, Cilhaul Terrace, Mountain Ash, CF45 3ND18, Cilhaul Terrace, Mountain Ash, CF45 3ND
• Sold Dec 2020£90,000 | 3 Bed House9, Cilhaul Terrace, Mountain Ash, CF45 3ND9, Cilhaul Terrace, Mountain Ash, CF45 3ND

Of the 58 addresses on Cilhaul Terrace, Mountain Ash, CF45, 25, Cilhaul Terrace, Mountain Ash comes out as the 15th largest and the 16th most expensive in our analysis of the public data.

It is also £11k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  700 m away
• Penrhiwceiber

  |

  1.4 km away
• Fernhill

  |

  1.8 km away

The flood risk here is rated Very Low, based on Environment Agency data.