Our Data Sources
31, William Street, Porth has a single entry in the Land Registry from June 2024 and a single entry in the EPC database dated January 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 31, William Street, Porth, we estimate a market value of £136,358 and a rental value of £844 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £120,775 and £747 per month respectively.
Energy Efficiency
31, William Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Jan 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 31, William Street, Porth completed on 20th June 2024 at £110,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 9.1% over the period since June 2024.
- Sold Jun 2024£110,000
Similar Properties Sold Nearby
Since 2019 310 properties similar to 31, William Street, Porth have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 2nd April 2026, was 2, Llanwonno Road, Porth, CF39 0HU, a freehold house which sold for £135,000.
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 Jan 2026£142,000 | 3 Bed House23, Standard Terrace, Porth, CF39 0HG23, Standard Terrace, Porth, CF39 0HG
- Sold Jul 2025£125,000 | 3 Bed House62, Ynyshir Road, Porth, CF39 0EN62, Ynyshir Road, Porth, CF39 0EN
- Sold Mar 2025£90,000 | 3 Bed House13, Graig Road, Porth, CF39 0NS13, Graig Road, Porth, CF39 0NS
- Sold Mar 2025£140,000 | 3 Bed House29, Standard View, Porth, CF39 0HR29, Standard View, Porth, CF39 0HR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £142,367, ranging from £120,963 to £161,612.
- 29 William Street
3 Bed House | 11 m | Est. Value: £129,141
- 36 William Street
3 Bed House | 21 m | Est. Value: £146,541
- 27 William Street
3 Bed House | 21 m | Est. Value: £134,815
- 34 William Street
3 Bed House | 25 m | Est. Value: £144,173
- 26 William Street
3 Bed House | 27 m | Est. Value: £120,963
Location Comparison
Of the 68 addresses on William Street, Porth, CF39, 31, William Street, Porth comes out as the 22nd largest and the 47th most expensive in our analysis of the public data.
It is also £17k less expensive than the average property across the CF39 district.
More reading links
Schools Nearby
Public Transport Nearby
- Porth|1.4 km away
- Dinas (Rhondda)|2.1 km away
- Trehafod|2.6 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












