According to data from HM Land Registry, 4, Sierra Pines, Mountain Ash sits on a plot of 118 m².

We have plot size data on 40 out of 42 other houses in the postcode and 4, Sierra Pines, Mountain Ash sits on the 38th largest plot.

4, Sierra Pines, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jul 2013.

The property is not 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, 4, Sierra Pines, Mountain Ash was last sold on 8th July 2016 for £114,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since July 2016, the market for similar properties has risen by 174.7%.

• Sold Jul 2016£114,500
• Sold Jan 2015£112,000

According to the Land Registry and our network of Estate Agents, there have been 30 sales of properties similar to 4, Sierra Pines, Mountain Ash within a radius of 1.3 kilometres since 2007.

The most recent example is 22, Forest View, Mountain Ash, CF45 3DU, a freehold house which sold for £124,000 on the 27th February 2026.

Read more about house prices in CF45.

• Sold Feb 2026£124,000 | 3 Bed House22, Forest View, Mountain Ash, CF45 3DU22, Forest View, Mountain Ash, CF45 3DU
• Sold Jul 2025£115,000 | 3 Bed House9, Cadwaladr Street, Mountain Ash, CF45 3RD9, Cadwaladr Street, Mountain Ash, CF45 3RD
• Sold Feb 2025£173,500 | 3 Bed House6, Forest View, Mountain Ash, CF45 3DU6, Forest View, Mountain Ash, CF45 3DU
• Sold Feb 2025£150,000 | 3 Bed House6, Glenboi, Mountain Ash, CF45 3DG6, Glenboi, Mountain Ash, CF45 3DG
• Sold Aug 2024£123,000 | 3 Bed House18, Forest View, Mountain Ash, CF45 3DU18, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2024£160,000 | 3 Bed House65, Forest View, Mountain Ash, CF45 3DU65, Forest View, Mountain Ash, CF45 3DU
• Sold Jan 2024£140,000 | 3 Bed House13, Sierra Pines, Mountain Ash, CF45 3DS13, Sierra Pines, Mountain Ash, CF45 3DS
• Sold Apr 2023£116,000 | 3 Bed House24, Woodland Terrace, Mountain Ash, CF45 3RF24, Woodland Terrace, Mountain Ash, CF45 3RF
• Sold Dec 2021£120,000 | 3 Bed House2, Sierra Pines, Mountain Ash, CF45 3DS2, Sierra Pines, Mountain Ash, CF45 3DS
• Sold Jun 2020£120,000 | 3 Bed House8, Sierra Pines, Mountain Ash, CF45 3DS8, Sierra Pines, Mountain Ash, CF45 3DS
• Sold Feb 2020£140,000 | 3 Bed House40, Forest View, Mountain Ash, CF45 3DU40, Forest View, Mountain Ash, CF45 3DU
• Sold Mar 2018£125,000 | 3 Bed House77, Forest View, Mountain Ash, CF45 3DU77, Forest View, Mountain Ash, CF45 3DU
• Sold Apr 2016£104,000 | 3 Bed House7, Meadow Close, Mountain Ash, CF45 3DN7, Meadow Close, Mountain Ash, CF45 3DN
• Sold Mar 2016£64,000 | 3 Bed House3, Sierra Pines, Mountain Ash, CF45 3DS3, Sierra Pines, Mountain Ash, CF45 3DS
• Sold Feb 2016£96,000 | 3 Bed House8, Boi Close, Mountain Ash, CF45 3DP8, Boi Close, Mountain Ash, CF45 3DP
• Sold Aug 2015£95,000 | 3 Bed House71, Forest View, Mountain Ash, CF45 3DU71, Forest View, Mountain Ash, CF45 3DU
• Sold Jan 2015£118,000 | 3 Bed House9, Sierra Pines, Mountain Ash, CF45 3DS9, Sierra Pines, Mountain Ash, CF45 3DS
• Sold Oct 2009£90,000 | 3 Bed House13, Cwm Alarch, Mountain Ash, CF45 3DR13, Cwm Alarch, Mountain Ash, CF45 3DR
• Sold Aug 2007£100,000 | 3 Bed House24, Forest View, Mountain Ash, CF45 3DU24, Forest View, Mountain Ash, CF45 3DU
• Sold Jan 2007£85,000 | 3 Bed House16, Cwm Alarch, Mountain Ash, CF45 3DR16, Cwm Alarch, Mountain Ash, CF45 3DR

Sierra Pines, Mountain Ash, CF45 has a total of 42 addresses. According to our analysis of all the public data, 4, Sierra Pines, Mountain Ash is the 26th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £8k less expensive than the average property in CF45.

• Fernhill

  |

  400 m away
• Mountain Ash

  |

  1.5 km away
• Cwmbach

  |

  2.4 km away

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