According to data from HM Land Registry, 63, William Street, Porth sits on a plot of 102 m².

We have plot size data on 29 out of 35 other houses in the postcode and 63, William Street, Porth sits on the 24th largest plot.

63, William Street, Porth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 May 2017.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 63, William Street, Porth was last sold on 19th January 2018 for £65,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2018, the market for similar properties has risen by 63.8%.

• Sold Jan 2018£65,000
• Sold Apr 2007£75,000

According to the Land Registry and our network of Estate Agents, there have been 198 sales of properties similar to 63, William Street, Porth within a radius of 1.1 kilometres since 2013.

The most recent example is 38, Church Terrace, Porth, CF39 0ET, a freehold house which sold for £128,000 on the 9th December 2025.

Read more about house prices in CF39.

• Sold Dec 2025£128,000 | 3 Bed House38, Church Terrace, Porth, CF39 0ET38, Church Terrace, Porth, CF39 0ET
• Sold Nov 2025£105,000 | 3 Bed House54, Heath Terrace, Porth, CF39 0HS54, Heath Terrace, Porth, CF39 0HS
• Sold Oct 2025£135,000 | 3 Bed House10, Church Terrace, Porth, CF39 0HE10, Church Terrace, Porth, CF39 0HE
• Sold Sep 2025£156,500 | 3 Bed House12, Station Road, Porth, CF39 0HA12, Station Road, Porth, CF39 0HA
• Sold Mar 2025£147,000 | 3 Bed House67, William Street, Porth, CF39 0EY67, William Street, Porth, CF39 0EY
• Sold Jan 2025£120,000 | 3 Bed House3, Weston Terrace, Porth, CF39 0ER3, Weston Terrace, Porth, CF39 0ER
• Sold Sep 2024£126,000 | 3 Bed House19, Gynor Avenue, Porth, CF39 0NH19, Gynor Avenue, Porth, CF39 0NH
• 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 Feb 2023£110,000 | 3 Bed House32, Ynys Street, Porth, CF39 0HL32, Ynys Street, Porth, CF39 0HL
• Sold Jan 2023£130,000 | 3 Bed House6, Gynor Avenue, Porth, CF39 0NH6, Gynor Avenue, Porth, CF39 0NH
• 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 Feb 2022£81,000 | 3 Bed House12, Weston Terrace, Porth, CF39 0ER12, Weston Terrace, Porth, CF39 0ER
• Sold Mar 2021£125,000 | 3 Bed House15, Weston Terrace, Porth, CF39 0ER15, 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£65,000 | 3 Bed House50, William Street, Porth, CF39 0EY50, William Street, Porth, CF39 0EY
• Sold Nov 2013£57,500 | 3 Bed House24, Church Terrace, Porth, CF39 0ET24, Church Terrace, Porth, CF39 0ET

William Street, Porth, CF39 has a total of 68 addresses. According to our analysis of all the public data, 63, William Street, Porth is the 60th largest and the 31st most expensive property on the street.

When compared to the postcode district it is £8k less expensive than the average property in CF39.

• Porth

  |

  1.4 km away
• Dinas (Rhondda)

  |

  2.2 km away
• Trehafod

  |

  2.6 km away

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