HM Land Registry records the plot of land for 21, Phillip Street, Mountain Ash as measuring 125 m².

That makes it the 21st largest plot in the postcode, where 36 of the 38 other houses have recorded plot data.

21, Phillip Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Jun 2023.

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

The most recent sale of 21, Phillip Street, Mountain Ash completed on 12th November 2009 at £80,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 85.0% over the period since November 2009.

• Sold Nov 2009£80,000
• Sold Sep 2008£66,500

Since 2015 145 properties similar to 21, Phillip Street, Mountain Ash have sold within a radius of 590 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th July 2025, was 50, Phillip Street, Mountain Ash, CF45 4BG, a freehold house which sold for £125,000.

Read more about house prices in CF45.

• Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
• Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
• Sold Apr 2025£82,600 | 3 Bed House54, Arnold Street, Mountain Ash, CF45 4LF54, Arnold Street, Mountain Ash, CF45 4LF
• Sold Oct 2024£125,000 | 3 Bed House2, Navigation Street, Mountain Ash, CF45 4BW2, Navigation Street, Mountain Ash, CF45 4BW
• 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 Jun 2023£117,500 | 3 Bed House21, Copley Street, Mountain Ash, CF45 4AS21, Copley Street, Mountain Ash, CF45 4AS
• Sold Apr 2023£116,000 | 3 Bed House33, Arnold Street, Mountain Ash, CF45 4LF33, Arnold Street, Mountain Ash, CF45 4LF
• Sold Jul 2022£75,000 | 3 Bed House24A, Allen Street, Mountain Ash, CF45 4BD24A, Allen Street, Mountain Ash, CF45 4BD
• Sold Jul 2022£135,000 | 3 Bed House17, Allen Street, Mountain Ash, CF45 4BD17, Allen Street, Mountain Ash, CF45 4BD
• Sold Jun 2022£125,000 | 3 Bed House45, Allen Street, Mountain Ash, CF45 4BB45, Allen Street, Mountain Ash, CF45 4BB
• Sold May 2022£92,500 | 3 Bed House16, Copley Street, Mountain Ash, CF45 4AS16, Copley Street, Mountain Ash, CF45 4AS
• Sold Apr 2022£106,000 | 3 Bed House16, Allen Street, Mountain Ash, CF45 4BD16, Allen Street, Mountain Ash, CF45 4BD
• Sold Mar 2022£68,000 | 3 Bed House75, Phillip Street, Mountain Ash, CF45 4BG75, Phillip Street, Mountain Ash, CF45 4BG
• Sold Oct 2021£99,000 | 3 Bed House41, Phillip Street, Mountain Ash, CF45 4BG41, Phillip Street, Mountain Ash, CF45 4BG
• Sold Mar 2021£57,500 | 3 Bed House43, Phillip Street, Mountain Ash, CF45 4BG43, Phillip Street, Mountain Ash, CF45 4BG
• Sold Apr 2020£58,000 | 3 Bed House4, Allen Street, Mountain Ash, CF45 4BD4, Allen Street, Mountain Ash, CF45 4BD
• Sold Aug 2019£44,000 | 3 Bed House5, Allen Street, Mountain Ash, CF45 4BD5, Allen Street, Mountain Ash, CF45 4BD
• Sold May 2018£70,000 | 3 Bed House12, Allen Street, Mountain Ash, CF45 4BD12, Allen Street, Mountain Ash, CF45 4BD
• Sold Nov 2015£45,000 | 3 Bed House6, Phillip Street, Mountain Ash, CF45 4BE6, Phillip Street, Mountain Ash, CF45 4BE

Of the 93 addresses on Phillip Street, Mountain Ash, CF45, 21, Phillip Street, Mountain Ash comes out as the 81st largest and the 55th most expensive in our analysis of the public data.

It is also £34k less expensive than the average property across the CF45 district.

• Mountain Ash

  |

  400 m away
• Fernhill

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  1.3 km away
• Penrhiwceiber

  |

  2.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.