3, Navigation Street, Mountain Ash occupies a 90 m² plot as recorded by HM Land Registry.

Of the 24 other houses in this postcode, 18 have recorded plot sizes, and this one ranks as the 16th largest.

3, Navigation Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Jan 2012.

The property is connected to mains gas and has mostly triple glazing. It is heated using a boiler and radiators (mains gas).

3, Navigation Street, Mountain Ash last changed hands on 11th May 2012, selling for £87,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 88.5% since May 2012.

• Sold May 2012£87,000

Land Registry records and our Estate Agent network show 212 sales of comparable properties within 570 metres of 3, Navigation Street, Mountain Ash since 2020.

Most recently, 13, London Street, Mountain Ash, CF45 4BN, a freehold house, sold at £115,000 on the 14th July 2025.

Read more about house prices in CF45.

• Sold Jul 2025£115,000 | 3 Bed House13, London Street, Mountain Ash, CF45 4BN13, London Street, Mountain Ash, CF45 4BN
• Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
• 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 Oct 2024£85,000 | 3 Bed House3, London Street, Mountain Ash, CF45 4BN3, London Street, Mountain Ash, CF45 4BN
• Sold Sep 2024£85,000 | 3 Bed House42, Allen Street, Mountain Ash, CF45 4BB42, Allen Street, Mountain Ash, CF45 4BB
• 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 Jan 2024£105,000 | 3 Bed House12, Phillip Street, Mountain Ash, CF45 4BE12, Phillip Street, Mountain Ash, CF45 4BE
• Sold Aug 2023£115,000 | 3 Bed House47, Allen Street, Mountain Ash, CF45 4BB47, Allen Street, Mountain Ash, CF45 4BB
• Sold Jun 2023£117,500 | 3 Bed House21, Copley Street, Mountain Ash, CF45 4AS21, Copley Street, Mountain Ash, CF45 4AS
• Sold Dec 2022£130,000 | 3 Bed House6, London Street, Mountain Ash, CF45 4BN6, London Street, Mountain Ash, CF45 4BN
• Sold Aug 2022£135,000 | 3 Bed House15, Arnold Street, Mountain Ash, CF45 4LF15, Arnold Street, Mountain Ash, CF45 4LF
• Sold Aug 2022£90,000 | 3 Bed House37, Allen Street, Mountain Ash, CF45 4BB37, Allen Street, Mountain Ash, CF45 4BB
• Sold Jul 2022£135,000 | 3 Bed House17, Allen Street, Mountain Ash, CF45 4BD17, Allen Street, Mountain Ash, CF45 4BD
• Sold Mar 2022£115,000 | 3 Bed House56, Phillip Street, Mountain Ash, CF45 4BG56, Phillip Street, Mountain Ash, CF45 4BG
• Sold Jun 2021£120,000 | 3 Bed House4, Phillip Street, Mountain Ash, CF45 4BE4, Phillip Street, Mountain Ash, CF45 4BE
• Sold Jun 2021£80,000 | 3 Bed House24, Arnold Street, Mountain Ash, CF45 4LF24, Arnold Street, Mountain Ash, CF45 4LF
• Sold Mar 2021£65,000 | 3 Bed House23, Phillip Street, Mountain Ash, CF45 4BE23, Phillip Street, Mountain Ash, CF45 4BE
• Sold Aug 2020£72,000 | 3 Bed House58, Phillip Street, Mountain Ash, CF45 4BG58, Phillip Street, Mountain Ash, CF45 4BG

Our analysis of the public data ranks 3, Navigation Street, Mountain Ash as the 15th largest and the 11th most expensive of the 28 addresses on Navigation Street, Mountain Ash, CF45.

Against the CF45 postcode district average, it is £24k less expensive than the typical property.

• Mountain Ash

  |

  300 m away
• Fernhill

  |

  1.4 km away
• Penrhiwceiber

  |

  1.9 km away

Environment Agency data suggests this area has a Very Low risk of flooding.