20 Catherine Street, Swansea, SA1 4JT
About 20 Catherine Street
20 Catherine Street is a mid-terrace house in Swansea (SA1 4JT). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2024) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79).
Last sale on file: £155,000 in February 2024. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2024, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £174,000 is 12.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 73% above the typical sold price in the postcode.
Everything you need to know about 20 Catherine Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
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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
20 Catherine 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
20 Catherine Street has more than doubled in price since the earliest registered sale in 2001.
£174,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 23 years.
£155,000
Growth on file: 4.4% per year over 23 years.
Sales timeline
29 February 2024Most recent
£155,000
+28.1%over 9 years20 August 2014
£121,000
-1.6%over 5 years23 October 2008
£123,000
+112.1%over 7 years26 February 2001
£58,000
Median price across the last 5 sales in SA1 4JT: £158,000 (2025–2021).
Nearby sales in SA1 4JT
Versus other Catherine Street homes
Years Held for 20 Catherine Street lags the street by a wide margin.
Price per m²
£1,802
Street avg £1,454
Floor Area
86 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.6 t/year
Everything you need to know about 20 Catherine Street
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
St Helens Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.