According to data from HM Land Registry, 35, Napier Street, Mountain Ash sits on a plot of 102 m².

We have plot size data on 43 out of 50 other houses in the postcode and 35, Napier Street, Mountain Ash sits on the 17th largest plot.

35, Napier Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Aug 2017.

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

According to HM Land Registry, 35, Napier Street, Mountain Ash was last sold on 27th July 2022 for £87,500 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since July 2022, the market for similar properties has risen by 16.2%.

According to the Land Registry and our network of Estate Agents, there have been 154 sales of properties similar to 35, Napier Street, Mountain Ash within a radius of 500 metres since 2017.

The most recent example is 33, Dover Street, Mountain Ash, CF45 3HU, a freehold house which sold for £115,000 on the 22nd May 2026.

Read more about house prices in CF45.

• Sold May 2026£115,000 | 3 Bed House33, Dover Street, Mountain Ash, CF45 3HU33, Dover Street, Mountain Ash, CF45 3HU
• Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
• Sold Dec 2024£85,000 | 3 Bed House55, Napier Street, Mountain Ash, CF45 3HW55, Napier Street, Mountain Ash, CF45 3HW
• Sold Oct 2024£127,500 | 3 Bed House74, Duffryn Street, Mountain Ash, CF45 3HR74, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Oct 2024£55,000 | 3 Bed House39, Dover Street, Mountain Ash, CF45 3HU39, Dover Street, Mountain Ash, CF45 3HU
• Sold Mar 2024£119,000 | 3 Bed House45, Napier Street, Mountain Ash, CF45 3HW45, Napier Street, Mountain Ash, CF45 3HW
• Sold Oct 2023£88,500 | 3 Bed House54, Napier Street, Mountain Ash, CF45 3HW54, Napier Street, Mountain Ash, CF45 3HW
• Sold Aug 2023£60,000 | 3 Bed House7, Cliff Street, Mountain Ash, CF45 3LE7, Cliff Street, Mountain Ash, CF45 3LE
• Sold Jul 2023£85,000 | 3 Bed House82, Duffryn Street, Mountain Ash, CF45 3HR82, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Apr 2023£80,000 | 3 Bed House12, Stream Street, Mountain Ash, CF45 3LL12, Stream Street, Mountain Ash, CF45 3LL
• Sold Feb 2023£95,000 | 3 Bed House14, Cliff Street, Mountain Ash, CF45 3LE14, Cliff Street, Mountain Ash, CF45 3LE
• Sold Nov 2021£85,000 | 3 Bed House82, High Street, Mountain Ash, CF45 3LN82, High Street, Mountain Ash, CF45 3LN
• Sold Mar 2021£78,000 | 3 Bed House73, Duffryn Street, Mountain Ash, CF45 3HR73, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Feb 2021£68,000 | 3 Bed House58, Duffryn Street, Mountain Ash, CF45 3HR58, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Dec 2019£40,600 | 3 Bed House79, Duffryn Street, Mountain Ash, CF45 3HR79, Duffryn Street, Mountain Ash, CF45 3HR
• Sold Nov 2019£40,600 | 3 Bed House11, Napier Street, Mountain Ash, CF45 3HW11, Napier Street, Mountain Ash, CF45 3HW
• Sold Feb 2019£66,000 | 3 Bed House15, Dover Street, Mountain Ash, CF45 3HU15, Dover Street, Mountain Ash, CF45 3HU
• Sold Sep 2017£37,000 | 3 Bed House33, Napier Street, Mountain Ash, CF45 3HW33, Napier Street, Mountain Ash, CF45 3HW
• Sold Jul 2017£55,000 | 3 Bed House23, Napier Street, Mountain Ash, CF45 3HW23, 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, 35, Napier Street, Mountain Ash is the 8th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £54k 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.