11, John Street, Porth occupies a 105 m² plot as recorded by HM Land Registry.

Of the 25 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 16th largest.

11, John Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Sep 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.

11, John Street, Porth last changed hands on 7th November 2014, selling for £61,500. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 71.0% since November 2014.

• Sold Nov 2014£61,500

Land Registry records and our Estate Agent network show 164 sales of comparable properties within 640 metres of 11, John Street, Porth across the last 2 years.

Most recently, 21, John Street, Porth, CF39 9SD, a freehold house, sold at £100,000 on the 17th December 2025.

Read more about house prices in CF39.

• Sold Dec 2025£100,000 | 3 Bed House21, John Street, Porth, CF39 9SD21, John Street, Porth, CF39 9SD
• Sold Aug 2024£82,500 | 3 Bed House20, John Street, Porth, CF39 9SD20, John Street, Porth, CF39 9SD
• Sold Jun 2022£83,000 | 3 Bed House25, John Street, Porth, CF39 9SD25, John Street, Porth, CF39 9SD

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks 11, John Street, Porth as the 28th largest and the 20th most expensive of the 35 addresses on John Street, Ynyshir, Porth, CF39.

Against the CF39 postcode district average, it is £36k less expensive than the typical property.

• Porth

  |

  100 m away
• Trehafod

  |

  1.9 km away
• Dinas (Rhondda)

  |

  2.1 km away

Environment Agency data suggests this area has a Very Low risk of flooding.