32, Napier Street, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 May 2025.

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

According to HM Land Registry, 32, Napier Street, Mountain Ash was last sold on 3rd November 2025 for £60,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since November 2025, the market for similar properties has risen by 8.1%.

• Sold Nov 2025£60,000

According to the Land Registry and our network of Estate Agents, there have been 43 sales of properties similar to 32, Napier Street, Mountain Ash within a radius of 510 metres since 2008.

The most recent example is 15, Cliff Street, Mountain Ash, CF45 3LE, a freehold house which sold for £103,000 on the 10th June 2026.

Read more about house prices in CF45.

• Sold Jun 2026£103,000 | 3 Bed House15, Cliff Street, Mountain Ash, CF45 3LE15, Cliff Street, Mountain Ash, CF45 3LE
• Sold Dec 2024£115,000 | 3 Bed House19, Pryce Street, Mountain Ash, CF45 3NT19, Pryce Street, Mountain Ash, CF45 3NT
• Sold Jul 2024£63,000 | 3 Bed House28, Napier Street, Mountain Ash, CF45 3HW28, Napier Street, Mountain Ash, CF45 3HW
• Sold Jun 2024£75,000 | 3 Bed House16, Stream Street, Mountain Ash, CF45 3LL16, Stream Street, Mountain Ash, CF45 3LL
• Sold Feb 2024£89,000 | 3 Bed House24, Napier Street, Mountain Ash, CF45 3HW24, Napier Street, Mountain Ash, CF45 3HW
• Sold Oct 2023£78,500 | 3 Bed House30, Napier Street, Mountain Ash, CF45 3HW30, Napier Street, Mountain Ash, CF45 3HW
• Sold Jul 2023£85,000 | 3 Bed House4, Commercial Street, Mountain Ash, CF45 3PS4, Commercial Street, Mountain Ash, CF45 3PS
• Sold Aug 2022£72,500 | 3 Bed House30, Duffryn Street, Mountain Ash, CF45 3NU30, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Apr 2022£60,000 | 3 Bed House2, Commercial Street, Mountain Ash, CF45 3PS2, Commercial Street, Mountain Ash, CF45 3PS
• Sold Jun 2021£78,000 | 3 Bed House26, Duffryn Street, Mountain Ash, CF45 3NU26, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Apr 2021£70,000 | 3 Bed House96, High Street, Mountain Ash, CF45 3LN96, High Street, Mountain Ash, CF45 3LN
• Sold Mar 2021£72,500 | 3 Bed House36, Napier Street, Mountain Ash, CF45 3HW36, Napier Street, Mountain Ash, CF45 3HW
• Sold Nov 2020£54,000 | 3 Bed House15, Stream Street, Mountain Ash, CF45 3LL15, Stream Street, Mountain Ash, CF45 3LL
• Sold Nov 2019£62,000 | 3 Bed House32, Duffryn Street, Mountain Ash, CF45 3NU32, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Feb 2018£58,000 | 3 Bed House4, Napier Street, Mountain Ash, CF45 3HW4, Napier Street, Mountain Ash, CF45 3HW
• Sold Dec 2017£35,000 | 3 Bed House9, Cliff Street, Mountain Ash, CF45 3LE9, Cliff Street, Mountain Ash, CF45 3LE
• Sold Aug 2016£59,000 | 3 Bed House8, Napier Street, Mountain Ash, CF45 3HW8, Napier Street, Mountain Ash, CF45 3HW
• Sold Apr 2016£59,000 | 3 Bed House14, Napier Street, Mountain Ash, CF45 3HW14, Napier Street, Mountain Ash, CF45 3HW
• Sold Jun 2015£31,000 | 3 Bed House32, Oxford Street, Mountain Ash, CF45 3HB32, Oxford Street, Mountain Ash, CF45 3HB
• Sold Feb 2008£60,000 | 3 Bed House21, Napier Street, Mountain Ash, CF45 3HW21, Napier Street, Mountain Ash, CF45 3HW

Napier Street, Mountain Ash, CF45 has a total of 50 addresses. According to our analysis of all the public data, 32, Napier Street, Mountain Ash is the 47th largest and the 47th most expensive property on the street.

When compared to the postcode district it is £72k less expensive than the average property in CF45.

• Mountain Ash

  |

  200 m away
• Fernhill

  |

  1.3 km away
• Penrhiwceiber

  |

  1.8 km away

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