4 Sebastopol Street, St Thomas, Swansea, SA1 8BN
About 4 Sebastopol Street
4 Sebastopol Street is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (June 2014) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from June 2014, so improvements made since then won't be reflected.
Held since November 2010 — that's 16 years off the open market, well above the local norm. Today's modelled estimate of £146,000 sits 53.7% above the 2010 sale of £95,000.
Everything you need to know about 4 Sebastopol Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Jun 2024
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
4 Sebastopol Street has no planning applications on record.
But the area is active
53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
4 Sebastopol Street valuation sits well clear of the typical sold price in this postcode.
£146,000
Modelled from EPC, postcode comparables.
£95,000
Recorded with HM Land Registry.
Sales timeline
30 November 2010Most recent
£95,000
Median price across the last 5 sales in SA1 8BN: £128,000 (2022–2018).
Nearby sales in SA1 8BN
12 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Sept 2022
£130,00027 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Jun 2022
£150,00031 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Jul 2021
£122,00021 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Nov 2020
£125,00036 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Dec 2018
£128,000
Versus other Sebastopol Street homes
Price per m²
£1,080
Street avg £1,144
Floor Area
88 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.3 t/year
Everything you need to know about 4 Sebastopol 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

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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 Thomas Church — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






