11, Syphon Street
11, Syphon Street
Description & Estimates
Public records show 11, Syphon Street, Porth to be a period freehold house with 807 ft2 of internal area, sitting on a 73 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
11, Syphon Street, Porth has an estimated sale value of £104,737 and an estimated rental value of £703 per month, assuming reasonable condition and based on the information available.
Syphon Street, Porth, CF39 lies within the CF39 postal district.
Our Data Sources
11, Syphon Street, Porth has a single entry in the Land Registry from January 2026 and a single entry in the EPC database dated April 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 11, Syphon Street, Porth would be worth £109,974, with a potential rental value of £738 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £97,405, with a rental value of £654 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 11, Syphon Street, Porth has risen by £2,162 (2.1%) over the last year. During the same period, its estimated monthly rental value has moved up by £27 (3.9%). The property's estimated gross yield is currently 8.1%.
Plot Size
11, Syphon Street, Porth occupies a 73 m2 plot as recorded by HM Land Registry.
Of the 50 other houses in this postcode, 46 have recorded plot sizes, and this one ranks as the 41st largest.
Energy Efficiency
11, Syphon Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Apr 2025.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
11, Syphon Street, Porth last changed hands on 5th January 2026, selling for £132,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 6.2% since January 2026.
- Sold Jan 2026£132,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 560 metres of 11, Syphon Street, Porth across the last 2 years.
Most recently, 36, Syphon Street, Porth, CF39 9SE, a freehold house, sold at £88,000 on the 4th March 2026.
Read more about house prices in CF39.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 11, Syphon Street, Porth as the 26th largest and the 26th most expensive of the 50 addresses on Syphon Street, Porth, CF39.
Against the CF39 postcode district average, it is £41k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
Porth station is the nearest stop to 11, Syphon Street, Porth at 100 metres away.
- 100mPorth
- 1.7kmTrehafod
- 2.3kmDinas (Rhondda)
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
