25b, St Helens Avenue, Swansea, SA1 4ND
About 25b
25b is a mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 91 m² (around 980 sq ft) and construction records dating it to 1900-1929. At 91 m² this is the 2nd smallest of 29 units on EPC record in the building, where floor areas span 76–173 m². The building's EPC ratings span G to C across 29 units on file. The latest certificate (November 2021) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
At 91 m² it sits well below the postcode median (154 m² across 28 EPCs), making it one of the more compact homes locally.
Everything you need to know about 25b
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Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
25b has no planning applications on record.
But the area is active
44 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£144,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2020).
Nearby sales in SA1 4ND
Everything you need to know about 25b
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee
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Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Helens Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.