Our Data Sources
27, William Street, Porth has 2 entries in the Land Registry, most recently in December 2022 and a single entry in the EPC database dated November 2016.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 27, William Street, Porth is in very good condition we estimate a sale value of £141,556 and a rental value of £853 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £125,378 and a rental value of £755 per month.
Plot Size
According to data from HM Land Registry, 27, William Street, Porth sits on a plot of 122 m2.
We have plot size data on 30 out of 33 other houses in the postcode and 27, William Street, Porth sits on the 24th largest plot.
Energy Efficiency
27, William Street, Porth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Nov 2016.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 27, William Street, Porth was last sold on 20th December 2022 for £178,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since December 2022, the market for similar properties has risen by 10.2%.
- Sold Dec 2022£178,000
- Sold Mar 2017£49,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 264 sales of properties similar to 27, William Street, Porth within a radius of 1.1 kilometres since 2019.
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 Jan 2026£142,000 | 3 Bed House23, Standard Terrace, Porth, CF39 0HG23, Standard Terrace, Porth, CF39 0HG
- Sold Sep 2025£156,500 | 3 Bed House12, Station Road, Porth, CF39 0HA12, Station Road, Porth, CF39 0HA
- 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
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 £138,471, ranging from £120,963 to £158,931.
- 26 William Street
3 Bed House | 6 m | Est. Value: £120,963
- 29 William Street
3 Bed House | 10 m | Est. Value: £129,141
- 25 William Street
3 Bed House | 10 m | Est. Value: £134,310
- 24 William Street
3 Bed House | 16 m | Est. Value: £133,421
- 41 William Street
3 Bed House | 21 m | Est. Value: £147,402
Location Comparison
William Street, Porth, CF39 has a total of 68 addresses. According to our analysis of all the public data, 27, William Street, Porth is the 14th largest and the 34th most expensive property on the street.
When compared to the postcode district it is £12k less expensive than the average property in CF39.
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
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












