According to data from HM Land Registry, 6, Graig Street, Mountain Ash sits on a plot of 79 m².

We have plot size data on 11 out of 11 other houses in the postcode and 6, Graig Street, Mountain Ash sits on the 8th largest plot.

6, Graig Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Feb 2019.

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, 6, Graig Street, Mountain Ash was last sold on 11th March 2004 for £29,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Mar 2004£29,950

According to the Land Registry and our network of Estate Agents, there have been 60 sales of properties similar to 6, Graig Street, Mountain Ash within a radius of 560 metres since 2017.

The most recent example is 29, Cliff Street, Mountain Ash, CF45 3LE, a freehold house which sold for £120,000 on the 14th November 2025.

Read more about house prices in CF45.

• Sold Nov 2025£120,000 | 3 Bed House29, Cliff Street, Mountain Ash, CF45 3LE29, Cliff Street, Mountain Ash, CF45 3LE
• Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Mar 2025£75,000 | 3 Bed House57, High Street, Mountain Ash, CF45 3PE57, High Street, Mountain Ash, CF45 3PE
• Sold Feb 2025£84,000 | 3 Bed House110, High Street, Mountain Ash, CF45 3LN110, High Street, Mountain Ash, CF45 3LN
• Sold Jan 2025£80,000 | 3 Bed House3, Graig Street, Mountain Ash, CF45 3PD3, Graig Street, Mountain Ash, CF45 3PD
• Sold Dec 2024£70,000 | 3 Bed House22, Chancery Lane, Mountain Ash, CF45 3NW22, Chancery Lane, Mountain Ash, CF45 3NW
• Sold Dec 2024£68,000 | 3 Bed House5, Fountain Street, Mountain Ash, CF45 3PA5, Fountain Street, Mountain Ash, CF45 3PA
• Sold Jul 2024£72,000 | 3 Bed House20, Stream Street, Mountain Ash, CF45 3LL20, Stream Street, Mountain Ash, CF45 3LL
• Sold Apr 2024£81,000 | 3 Bed House28, Duffryn Street, Mountain Ash, CF45 3NU28, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Mar 2024£75,000 | 3 Bed House119, High Street, Mountain Ash, CF45 3LN119, High Street, Mountain Ash, CF45 3LN
• Sold Apr 2023£92,000 | 3 Bed House6, Commercial Street, Mountain Ash, CF45 3PS6, Commercial Street, Mountain Ash, CF45 3PS
• Sold Apr 2023£108,000 | 3 Bed House13, Stream Street, Mountain Ash, CF45 3LL13, Stream Street, Mountain Ash, CF45 3LL
• Sold Mar 2022£69,000 | 3 Bed House12, Graig Street, Mountain Ash, CF45 3PD12, Graig Street, Mountain Ash, CF45 3PD
• Sold Mar 2022£80,000 | 3 Bed House26, Stream Street, Mountain Ash, CF45 3LL26, Stream Street, Mountain Ash, CF45 3LL
• Sold Nov 2021£85,000 | 3 Bed House82, High Street, Mountain Ash, CF45 3LN82, High Street, Mountain Ash, CF45 3LN
• Sold Jul 2021£72,000 | 3 Bed House18, High Street, Mountain Ash, CF45 3PE18, High Street, Mountain Ash, CF45 3PE
• Sold Jul 2019£55,500 | 3 Bed House18, Commercial Street, Mountain Ash, CF45 3PS18, Commercial Street, Mountain Ash, CF45 3PS
• Sold Dec 2018£52,000 | 3 Bed House18, Duffryn Street, Mountain Ash, CF45 3NU18, Duffryn Street, Mountain Ash, CF45 3NU
• Sold Sep 2018£54,000 | 3 Bed House37, High Street, Mountain Ash, CF45 3PE37, High Street, Mountain Ash, CF45 3PE
• Sold Nov 2017£64,500 | 3 Bed House35, High Street, Mountain Ash, CF45 3PE35, High Street, Mountain Ash, CF45 3PE

Graig Street, Mountain Ash, CF45 has a total of 11 addresses. According to our analysis of all the public data, 6, Graig Street, Mountain Ash is the 7th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £70k less expensive than the average property in CF45.

• Mountain Ash

  |

  500 m away
• Fernhill

  |

  1.0 km away
• Penrhiwceiber

  |

  2.2 km away

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