12 Spring Terrace, Swansea, SA1 3TD
About 12 Spring Terrace
12 Spring Terrace is a three-bedroom mid-terrace house in Swansea (SA1 3TD). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (April 2026) shows a C (score 73). When first surveyed in February 2016 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 87). This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since March 2006, a hold of 20 years that's notably long for the area. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 2005–2006, sale prices on this property compounded at 33.3% per year. Today's modelled estimate of £146,000 is 21.7% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 30% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Everything you need to know about 12 Spring Terrace
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 7 April 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12 Spring Terrace has no planning applications on record.
But the area is active
28 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Spring Terrace changed hands twice within eighteen months — unusual for the area.
£146,000
Modelled from EPC, postcode comparables and a sale-price growth of 33.3% per year over 1 year.
£119,995
Growth on file: 33.3% per year over 1 year.
Sales timeline
1 March 2006Most recent
£119,995
+33.3%over 9 months28 May 2005
£89,995
Median price across the last 5 sales in SA1 3TD: £158,000 (2026–2023).
Nearby sales in SA1 3TD
Versus other Spring Terrace homes
CO₂ Emissions for 12 Spring Terrace runs comfortably ahead of the street norm.
Price per m²
£1,739
Street avg £1,572
Floor Area
69 m²
Street avg 81 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
1.6 t/year
Street avg 3.5 t/year
Everything you need to know about 12 Spring Terrace
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
580/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.