HM Land Registry records the plot of land for 18, Toncoch Terrace, Mountain Ash as measuring 149 m².

That makes it the 10th largest plot in the postcode, where 17 of the 34 other houses have recorded plot data.

18, Toncoch Terrace, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Dec 2025.

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 18, Toncoch Terrace, Mountain Ash completed on 15th March 2012 at £83,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have risen by 90.2% over the period since March 2012.

• Sold Mar 2012£83,000
• Sold Dec 2004£68,000
• Sold Jan 2004£48,995

Since 2012 93 properties similar to 18, Toncoch Terrace, Mountain Ash have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 7th July 2025, was 9, Cadwaladr Street, Mountain Ash, CF45 3RD, a freehold house which sold for £115,000.

Read more about house prices in CF45.

• Sold Jul 2025£115,000 | 3 Bed House9, Cadwaladr Street, Mountain Ash, CF45 3RD9, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Oct 2024£165,000 | 3 Bed House5, High Row, Mountain Ash, CF45 4DW5, High Row, Mountain Ash, CF45 4DW
• Sold Sep 2024£80,000 | 3 Bed House16, Cadwaladr Street, Mountain Ash, CF45 3RD16, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Sep 2024£145,500 | 3 Bed House10, Rose Row, Aberdare, CF44 0BN10, Rose Row, Aberdare, CF44 0BN
• Sold May 2023£85,000 | 3 Bed House12, Toncoch Terrace, Mountain Ash, CF45 4DY12, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Jan 2023£99,900 | 3 Bed House19, Greenfield Terrace, Mountain Ash, CF45 4EB19, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Dec 2022£150,000 | 3 Bed House33, The Avenue, Mountain Ash, CF45 4DT33, The Avenue, Mountain Ash, CF45 4DT
• Sold Dec 2022£88,000 | 3 Bed House28, Toncoch Terrace, Mountain Ash, CF45 4DY28, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Oct 2022£58,000 | 3 Bed House24, Greenfield Terrace, Mountain Ash, CF45 4EB24, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Sep 2022£150,000 | 3 Bed House23, Toncoch Terrace, Mountain Ash, CF45 4DY23, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Apr 2022£120,000 | 3 Bed House11, Greenfield Terrace, Mountain Ash, CF45 4EB11, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Apr 2022£131,000 | 3 Bed House23, Greenfield Terrace, Mountain Ash, CF45 4EB23, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Oct 2021£104,950 | 3 Bed House21, Toncoch Terrace, Mountain Ash, CF45 4DY21, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Dec 2019£64,000 | 3 Bed House16, Greenfield Terrace, Mountain Ash, CF45 4EB16, Greenfield Terrace, Mountain Ash, CF45 4EB
• Sold Jan 2019£63,000 | 3 Bed House25, The Avenue, Mountain Ash, CF45 4DT25, The Avenue, Mountain Ash, CF45 4DT
• Sold Apr 2018£92,000 | 3 Bed House27, Toncoch Terrace, Mountain Ash, CF45 4DY27, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Sep 2017£75,000 | 3 Bed House3, Toncoch Terrace, Mountain Ash, CF45 4DY3, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Dec 2016£70,000 | 3 Bed House2, Toncoch Terrace, Mountain Ash, CF45 4DY2, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Oct 2013£70,000 | 3 Bed House26, Toncoch Terrace, Mountain Ash, CF45 4DY26, Toncoch Terrace, Mountain Ash, CF45 4DY
• Sold Apr 2012£85,000 | 3 Bed House16, Toncoch Terrace, Mountain Ash, CF45 4DY16, Toncoch Terrace, Mountain Ash, CF45 4DY

Of the 34 addresses on Toncoch Terrace, Mountain Ash, CF45, 18, Toncoch Terrace, Mountain Ash comes out as the 22nd largest and the 22nd most expensive in our analysis of the public data.

It is also £20k less expensive than the average property across the CF45 district.

• Fernhill

  |

  1.1 km away
• Cwmbach

  |

  1.5 km away
• Mountain Ash

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  2.0 km away

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