17 Upton Terrace, St Thomas, Swansea, SA1 8HL
About 17 Upton Terrace
17 Upton Terrace is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HL). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (June 2023) shows a C (score 69), just inside the C band. When first surveyed in January 2022 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 88).
At 86 m² it's 15.3% smaller than the typical home in the postcode (102 m² median across 14 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £144,000 is 38.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£112/sq ft) was about 16.8% above the typical sold price in the postcode. Most recent transfer: October 2022 at £104,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 17 Upton Terrace
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
17 Upton Terrace ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Replaced storage heaters with gas boiler
Connected to mains gas supply
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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
17 Upton Terrace 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£144,000
Modelled from EPC, postcode comparables.
£104,000
Recorded with HM Land Registry.
Sales timeline
20 October 2022Most recent
£104,000
Median price across the last 5 sales in SA1 8HL: £147,500 (2024–2023).
Nearby sales in SA1 8HL
3 Upton Terrace, St Thomas, Swansea, SA1 8HL
Sold Nov 2024
£170,0005 Upton Terrace, St Thomas, Swansea, SA1 8HL
Sold Nov 2024
£150,00014 Upton Terrace, St Thomas, Swansea, SA1 8HL
Sold Dec 2023
£147,50013 Upton Terrace, St Thomas, Swansea, SA1 8HL
Sold Oct 2023
£112,64515 Upton Terrace, St Thomas, Swansea, SA1 8HL
Sold Mar 2023
£144,000
Versus other Upton Terrace homes
17 Upton Terrace outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,209
Street avg £1,166
Floor Area
86 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.8 t/year
Everything you need to know about 17 Upton Terrace
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
Jersey Park — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






