1 Bay Street, Port Tennant, Swansea, SA1 8LB
About 1 Bay Street
1 Bay Street is an end-of-terrace house in Port Tennant, Swansea, Swansea (SA1 8LB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2023) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2010. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to C (score 78), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).
Everything you need to know about 1 Bay Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
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
1 Bay Street has no planning applications on record.
But the area is active
53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1 Bay Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£143,000
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 8LB: £112,000 (2024–2021).
Nearby sales in SA1 8LB
11 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Jul 2024
£166,00019 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Mar 2022
£105,00016 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Nov 2021
£112,0007 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Aug 2021
£115,00022 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Mar 2021
£90,000
Versus other Bay Street homes
1 Bay Street is notably below the street on epc rating.
EPC Rating
54 (E)
Street avg 64 (D)
Floor Area
89 m²
Street avg 94 m²
CO₂ Emissions
4.4 t/year
Street avg 3.7 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Everything you need to know about 1 Bay Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Port Tennant Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






