According to data from HM Land Registry, 41, William Street, Porth sits on a plot of 115 m².

We have plot size data on 29 out of 35 other houses in the postcode and 41, William Street, Porth sits on the 9th largest plot.

41, William Street, Porth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 08 Nov 2012.

The property is not connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 41, William Street, Porth was last sold on 4th February 2013 for £59,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2013, the market for similar properties has risen by 84.6%.

• Sold Feb 2013£59,950

According to the Land Registry and our network of Estate Agents, there have been 255 sales of properties similar to 41, William Street, Porth within a radius of 1.2 kilometres since 2015.

The most recent example is 2, Llanwonno Road, Porth, CF39 0HU, a freehold house which sold for £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 Nov 2024£170,000 | 3 Bed House26, Church Terrace, Porth, CF39 0ET26, Church Terrace, Porth, CF39 0ET
• Sold Nov 2024£117,000 | 3 Bed House15, Station Road, Porth, CF39 0HA15, Station Road, Porth, CF39 0HA
• 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 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£65,000 | 3 Bed House50, William Street, Porth, CF39 0EY50, William Street, Porth, CF39 0EY
• Sold Aug 2015£102,000 | 3 Bed House14, Station Road, Porth, CF39 0HA14, Station Road, Porth, CF39 0HA

William Street, Porth, CF39 has a total of 68 addresses. According to our analysis of all the public data, 41, William Street, Porth is the 30th largest and the 14th most expensive property on the street.

When compared to the postcode district it is £678 more 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.