9 Caswell Street, Swansea, SA1 4HT
About 9 Caswell Street
9 Caswell Street is a semi-detached house in Swansea (SA1 4HT). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (March 2020) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 87).
At 87 m² it's 22.5% larger than the typical home in the postcode (71 m² median across 13 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 2005–2022, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £188,000 is 17.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 87.3% above the typical sold price in the postcode. Most recent transfer: December 2022 at £160,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
9 Caswell Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
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Planning history
9 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
Price for 9 Caswell Street has grown more than fourfold since the 2005 starting point.
£188,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 17 years.
£160,000
Growth on file: 8.9% per year over 17 years.
Sales timeline
9 December 2022Most recent
£160,000
+326.7%over 16 years19 December 2005
£37,500
Median price across the last 5 sales in SA1 4HT: £109,950 (2022–2013).
Nearby sales in SA1 4HT
Versus other Caswell Street homes
9 Caswell Street is notably below the street on years held.
Price per m²
£1,839
Street avg £1,290
Floor Area
87 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.1 t/year
Similar properties nearby
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.







