Our Data Sources
12, St. Helens Crescent, Swansea has 21 entries in the Land Registry , most recently in January 2020 and a single entry in the EPC database dated August 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 12, St. Helens Crescent, Swansea would be worth £257,093, with a potential rental value of £948 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £227,711, with a rental value of £839 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, St. Helens Crescent, Swansea occupies a 146 m2 plot as recorded by HM Land Registry.
Of the 22 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 17th largest.
Energy Efficiency
12, St. Helens Crescent, Swansea has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Aug 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
12, St. Helens Crescent, Swansea last changed hands on 17th January 2020, selling for £200,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 14.5% since January 2020.
- Sold Jan 2020£200,000
- Sold May 2002£88,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 70 sales of comparable properties within 400 metres of 12, St. Helens Crescent, Swansea across the last 2 years.
Most recently, 58, St. Helens Avenue, Swansea, SA1 4NF, a freehold house, sold at £235,000 on the 10th April 2026.
Read more about house prices in SA1.
- Sold Apr 2026£235,000 | 4 Bed House58, St. Helens Avenue, Swansea, SA1 4NF58, St. Helens Avenue, Swansea, SA1 4NF
- Sold Jul 2025£285,000 | 4 Bed House5, St. Helens Avenue, Swansea, SA1 4ND5, St. Helens Avenue, Swansea, SA1 4ND
- Sold Apr 2024£158,000 | 4 Bed House55, St. Helens Avenue, Swansea, SA1 4NF55, St. Helens Avenue, Swansea, SA1 4NF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 12, St. Helens Crescent, Swansea as the 9th largest and the 8th most expensive of the 44 addresses on St. Helens Crescent, Swansea, SA1.
Against the SA1 postcode district average, it is £93k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Swansea|1.7 km away
- Gowerton|6.5 km away
- Llansamlet|7.3 km away
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.












