12 Caswell Street, Swansea, SA1 4HT
About 12 Caswell Street
12 Caswell Street is a two-bedroom mid-terrace house in Swansea (SA1 4HT). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (July 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump.
It hasn't traded since May 2003, a hold of 23 years that's notably long for the area. Across 1998–2003, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £143,000 sits 113.4% above the 2003 sale of £67,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
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, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12 Caswell Street has no planning applications on record.
But the area is active
44 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Caswell Street's estimated value is more than triple its earliest registered sale price (1998).
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 5 years.
£67,000
Growth on file: 7.8% per year over 5 years.
Sales timeline
11 May 2003Most recent
£67,000
+47.3%over 5 years27 March 1998
£45,500
Median price across the last 5 sales in SA1 4HT: £122,500 (2022–2014).
Nearby sales in SA1 4HT
Versus other Caswell Street homes
On co₂ emissions, 12 Caswell Street stands well clear of the street.
Price per m²
£944
Street avg £1,371
Floor Area
71 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.1 t/year
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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
St George Hotel 2 — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







