36, William Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Nov 2025.

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

Land Registry records and our Estate Agent network show 260 sales of comparable properties within 1.2 kilometres of 36, William Street, Porth since 2013.

Most recently, 2, Llanwonno Road, Porth, CF39 0HU, a freehold house, sold at £135,000 on the 2nd April 2026.

Read more about house prices in CF39.

• Sold Apr 2026£135,000 | 3 Bed House2, Llanwonno Road, Porth, CF39 0HU2, Llanwonno Road, Porth, CF39 0HU
• Sold Dec 2025£128,000 | 3 Bed House38, Church Terrace, Porth, CF39 0ET38, Church Terrace, Porth, CF39 0ET
• Sold Sep 2025£156,500 | 3 Bed House12, Station Road, Porth, CF39 0HA12, Station Road, Porth, CF39 0HA
• Sold Mar 2025£90,000 | 3 Bed House13, Graig Road, Porth, CF39 0NS13, Graig Road, Porth, CF39 0NS
• Sold Jan 2025£120,000 | 3 Bed House3, Weston Terrace, Porth, CF39 0ER3, Weston Terrace, Porth, CF39 0ER
• Sold Jul 2024£112,000 | 3 Bed House22, Graig Road, Porth, CF39 0NS22, Graig Road, Porth, CF39 0NS
• Sold Jun 2024£110,000 | 3 Bed House31, William Street, Porth, CF39 0EU31, William Street, Porth, CF39 0EU
• Sold Apr 2024£130,000 | 3 Bed House48, Ynys Street, Porth, CF39 0HL48, Ynys Street, Porth, CF39 0HL
• Sold Jun 2023£145,000 | 3 Bed House8, Station Road, Porth, CF39 0HB8, Station Road, Porth, CF39 0HB
• Sold Apr 2023£75,000 | 3 Bed House47, William Street, Porth, CF39 0EY47, William Street, Porth, CF39 0EY
• Sold Mar 2023£145,000 | 3 Bed House6, Graig Road, Porth, CF39 0NS6, Graig Road, Porth, CF39 0NS
• Sold Nov 2022£100,000 | 3 Bed House45, Ynys Street, Porth, CF39 0HL45, Ynys Street, Porth, CF39 0HL
• Sold Jul 2022£123,000 | 3 Bed House60, William Street, Porth, CF39 0EY60, William Street, Porth, CF39 0EY
• Sold Apr 2022£105,000 | 3 Bed House20, Weston Terrace, Porth, CF39 0ER20, Weston Terrace, Porth, CF39 0ER
• Sold Oct 2019£95,000 | 3 Bed House42, William Street, Porth, CF39 0EY42, William Street, Porth, CF39 0EY
• Sold Oct 2018£78,000 | 3 Bed House52, William Street, Porth, CF39 0EY52, William Street, Porth, CF39 0EY
• Sold Aug 2017£69,000 | 3 Bed House30, Church Terrace, Porth, CF39 0ET30, Church Terrace, Porth, CF39 0ET
• Sold Aug 2015£102,000 | 3 Bed House14, Station Road, Porth, CF39 0HA14, Station Road, Porth, CF39 0HA
• Sold Aug 2015£65,000 | 3 Bed House50, William Street, Porth, CF39 0EY50, William Street, Porth, CF39 0EY
• Sold Feb 2013£59,950 | 3 Bed House41, William Street, Porth, CF39 0EY41, William Street, Porth, CF39 0EY

Our analysis of the public data ranks 36, William Street, Porth as the 36th largest and the 16th most expensive of the 68 addresses on William Street, Porth, CF39.

Against the CF39 postcode district average, it is £183 less expensive than the typical property.

• Porth

  |

  1.4 km away
• Dinas (Rhondda)

  |

  2.2 km away
• Trehafod

  |

  2.6 km away

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