1b, St Helens Crescent, Swansea, SA1 4NA
About 1b
1b is an end-of-terrace house in Swansea (SA1 4NA). It has a recorded floor area of 93 m² (around 1001 sq ft) and construction records dating it to 1900-1929. At 93 m² this is the 13th smallest of 21 units on EPC record in the building, where floor areas span 23–172 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2026) shows a C (score 71). When first surveyed in November 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Poor to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 93 m² the property is well over the postcode median (70 m² across 20 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs).
Everything you need to know about 1b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 17 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1b 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
1b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£155,000
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 4NA: £175,000 (2022–2020).
Nearby sales in SA1 4NA
9 St Helens Crescent, Swansea, SA1 4NA
Sold Aug 2022
£234,00013 St Helens Crescent, Swansea, SA1 4NA
Sold Jul 2021
£175,00010 St Helens Crescent, Swansea, SA1 4NA
Sold Jul 2021
£170,00020 St Helens Crescent, Swansea, SA1 4NA
Sold Sept 2020
£130,00012 St Helens Crescent, Swansea, SA1 4NA
Sold Jan 2020
£200,000
Versus other St Helens Crescent homes
On epc rating, 1b stands well clear of the street.
EPC Rating
71 (C)
Street avg 57 (D)
Floor Area
93 m²
Street avg 42 m²
CO₂ Emissions
2.2 t/year
Street avg 2.7 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 1b
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 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.