6 Sebastopol Street, St Thomas, Swansea, SA1 8BN
About 6 Sebastopol Street
6 Sebastopol Street is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (May 2013) shows a C (score 73). The recommended improvements would push it to B (score 87). The latest certificate is from May 2013, so improvements made since then won't be reflected.
At 92 m² it's 15.7% larger than the typical home in the postcode (80 m² median across 22 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 1998–2018, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £143,000 sits 104.3% above the 2018 sale of £70,000. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 26% below the postcode norm. Last sold in May 2018, so it's been off the market for around 8 years. Across the public record there are 4 sales, relatively high churn for a single property.
Everything you need to know about 6 Sebastopol Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
6 Sebastopol Street ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 May 2023
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
6 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
6 Sebastopol Street has more than doubled in price since the earliest registered sale in 1998.
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 20 years.
£70,000
Growth on file: 4.2% per year over 20 years.
Sales timeline
17 May 2018Most recent
£70,000
-6.7%over 4 years9 June 2013
£75,000
+120.6%over 11 years25 October 2001
£34,000
+9.9%over 3 years18 June 1998
£30,950
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
6 Sebastopol Street outperforms the street on epc rating by a wide margin.
Price per m²
£761
Street avg £1,165
Floor Area
92 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 4.4 t/year
Everything you need to know about 6 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.






