19, Navigation Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Apr 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 19, Navigation Street, Mountain Ash completed on 4th August 2023 at £99,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 11.6% over the period since August 2023.

• Sold Aug 2023£99,000
• Sold Jul 2007£71,000

Since 2020 168 properties similar to 19, Navigation Street, Mountain Ash have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th July 2025, was 50, Phillip Street, Mountain Ash, CF45 4BG, a freehold house which sold for £125,000.

Read more about house prices in CF45.

• Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
• Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
• Sold Apr 2025£82,600 | 3 Bed House54, Arnold Street, Mountain Ash, CF45 4LF54, Arnold Street, Mountain Ash, CF45 4LF
• Sold Oct 2024£80,000 | 3 Bed House18, Phillip Street, Mountain Ash, CF45 4BE18, Phillip Street, Mountain Ash, CF45 4BE
• Sold Jul 2024£140,000 | 3 Bed House26, Phillip Street, Mountain Ash, CF45 4BE26, Phillip Street, Mountain Ash, CF45 4BE
• Sold May 2024£138,500 | 3 Bed House42, Phillip Street, Mountain Ash, CF45 4BG42, Phillip Street, Mountain Ash, CF45 4BG
• Sold Oct 2023£125,100 | 3 Bed House21, Phillip Street, Mountain Ash, CF45 4BE21, Phillip Street, Mountain Ash, CF45 4BE
• Sold Jun 2023£117,500 | 3 Bed House21, Copley Street, Mountain Ash, CF45 4AS21, Copley Street, Mountain Ash, CF45 4AS
• Sold Apr 2023£116,000 | 3 Bed House33, Arnold Street, Mountain Ash, CF45 4LF33, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2022£135,000 | 3 Bed House15, Arnold Street, Mountain Ash, CF45 4LF15, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2022£135,000 | 3 Bed House17, Allen Street, Mountain Ash, CF45 4BD17, Allen Street, Mountain Ash, CF45 4BD
• Sold Jun 2022£125,000 | 3 Bed House45, Allen Street, Mountain Ash, CF45 4BB45, Allen Street, Mountain Ash, CF45 4BB
• Sold Mar 2022£68,000 | 3 Bed House75, Phillip Street, Mountain Ash, CF45 4BG75, Phillip Street, Mountain Ash, CF45 4BG
• Sold Feb 2022£127,000 | 3 Bed House14, Copley Street, Mountain Ash, CF45 4AS14, Copley Street, Mountain Ash, CF45 4AS
• Sold Oct 2021£99,000 | 3 Bed House41, Phillip Street, Mountain Ash, CF45 4BG41, Phillip Street, Mountain Ash, CF45 4BG
• Sold Jun 2021£80,000 | 3 Bed House24, Arnold Street, Mountain Ash, CF45 4LF24, Arnold Street, Mountain Ash, CF45 4LF
• Sold Nov 2020£65,000 | 3 Bed House23, Arnold Street, Mountain Ash, CF45 4LF23, Arnold Street, Mountain Ash, CF45 4LF
• Sold Sep 2020£55,000 | 3 Bed House32, Arnold Street, Mountain Ash, CF45 4LF32, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2020£67,000 | 3 Bed House26, Arnold Street, Mountain Ash, CF45 4LF26, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2020£86,000 | 3 Bed House21, Arnold Street, Mountain Ash, CF45 4LF21, Arnold Street, Mountain Ash, CF45 4LF

Of the 28 addresses on Navigation Street, Mountain Ash, CF45, 19, Navigation Street, Mountain Ash comes out as the 20th largest and the 21st most expensive in our analysis of the public data.

It is also £30k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.4 km away
• Penrhiwceiber

  |

  1.9 km away

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