21 Spring Terrace, Swansea, SA1 3TD
About 21 Spring Terrace
21 Spring Terrace is a mid-terrace house in Swansea (SA1 3TD). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2021) shows a C (score 70). The recommended improvements would push it to B (score 84).
Today's modelled estimate of £155,000 sits 93.8% above the 2016 sale of £80,000. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 40.2% below the postcode norm. At 100 m² it's 28.2% larger than the typical home in the postcode (78 m² median across 25 EPCs). Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). 10 years since the last transfer (March 2016).
Everything you need to know about 21 Spring Terrace
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
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
21 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
21 Spring Terrace valuation sits well clear of the typical sold price in this postcode.
£155,000
Modelled from EPC, postcode comparables.
£80,000
Recorded with HM Land Registry.
Sales timeline
18 March 2016Most recent
£80,000
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 floor area, 21 Spring Terrace stands well clear of the street.
Price per m²
£800
Street avg £1,590
Floor Area
100 m²
Street avg 79 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.6 t/year
Everything you need to know about 21 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
Similar properties nearby
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.