17 Spring Terrace, Swansea, SA1 3TD
About 17 Spring Terrace
17 Spring Terrace is a four-bedroom end-of-terrace house in Swansea (SA1 3TD). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2019) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Average to Very Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
At 94 m² it's 20.5% larger than the typical home in the postcode (78 m² median across 25 EPCs). Across 1997–2021, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £201,000 is 41.5% above the 2021 sale price. Most recent transfer: March 2021 at £142,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Everything you need to know about 17 Spring Terrace
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
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
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 £885 · Includes VAT
Planning history
17 Spring Terrace has no planning applications on record.
But the area is active
29 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17 Spring Terrace has more than tripled in price since its earliest registered sale in 1997.
£201,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 24 years.
£142,000
Growth on file: 5.3% per year over 24 years.
Sales timeline
23 March 2021Most recent
£142,000
+238.1%over 23 years31 July 1997
£42,000
Median price across the last 5 sales in SA1 3TD: £158,000 (2025–2023).
Nearby sales in SA1 3TD
Versus other Spring Terrace homes
On habitable rooms, 17 Spring Terrace stands well clear of the street.
Price per m²
£1,511
Street avg £1,556
Floor Area
94 m²
Street avg 79 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.5 t/year
Everything you need to know about 17 Spring 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
The data behind every report
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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
Argyle Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.