Our Data Sources
30, Castle Street, Port Talbot has a single entry in the Land Registry from February 2025 and a single entry in the EPC database dated May 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 30, Castle Street, Port Talbot would be worth £126,350, with a potential rental value of £799 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £111,910, with a rental value of £708 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
30, Castle Street, Port Talbot occupies a 135 m2 plot as recorded by HM Land Registry.
All 20 other houses in this postcode have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
30, Castle Street, Port Talbot has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
30, Castle Street, Port Talbot last changed hands on 21st February 2025, selling for £95,000. 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 58.5% since February 2025.
- Sold Feb 2025£95,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 580 metres of 30, Castle Street, Port Talbot across the last 2 years.
Most recently, 26, Castle Street, Port Talbot, SA12 6DS, a freehold house, sold at £110,000 on the 21st November 2025.
Read more about house prices in SA12.
- Sold Nov 2025£110,000 | 4 Bed House26, Castle Street, Port Talbot, SA12 6DS26, Castle Street, Port Talbot, SA12 6DS
- Sold Nov 2025£112,500 | 4 Bed House7, Mount View Terrace, Port Talbot, SA12 6HH7, Mount View Terrace, Port Talbot, SA12 6HH
- Sold Jul 2022£129,000 | 4 Bed House32, Castle Street, Port Talbot, SA12 6DS32, Castle Street, Port Talbot, SA12 6DS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 30, Castle Street, Port Talbot as the 26th largest and the 40th most expensive of the 45 addresses on Castle Street, Port Talbot, SA12.
Against the SA12 postcode district average, it is £55k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 800mPort Talbot Parkway
- 2.4kmBaglan
- 5.0kmBriton Ferry
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.












