16 Bay Street, Port Tennant, Swansea, SA1 8LB
About 16 Bay Street
16 Bay Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8LB). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (May 2021) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in April 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Most recent transfer: November 2021 at £112,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1998–2021, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £158,000 is 41.1% above the 2021 sale price.
Everything you need to know about 16 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
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
16 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
Price for 16 Bay Street has grown more than fourfold since the 1998 starting point.
£158,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 24 years.
£112,000
Growth on file: 6.5% per year over 24 years.
Sales timeline
19 November 2021Most recent
£112,000
+28.7%over 10 years4 October 2011
£87,000
+117.8%over 8 years8 July 2003
£39,950
+58.1%over 5 years30 April 1998
£25,265
Median price across the last 5 sales in SA1 8LB: £105,000 (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
£105,0007 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Aug 2021
£115,00022 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Mar 2021
£90,0009 Bay Street, Port Tennant, Swansea, SA1 8LB
Sold Mar 2021
£132,000
Versus other Bay Street homes
On floor area, 16 Bay Street stands well clear of the street.
Price per m²
£1,077
Street avg £982
Floor Area
104 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.8 t/year
Everything you need to know about 16 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.






