18 Sebastopol Street, St Thomas, Swansea, SA1 8BN
About 18 Sebastopol Street
18 Sebastopol Street is a two-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (January 2013) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from January 2013, so improvements made since then won't be reflected.
Last changed hands 13 years ago, in July 2013. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2013, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £124,000 is 48.5% above the 2013 sale price.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- StudyYes
Outside
- Private gardenRear
Building
- Heating systemGas
Everything you need to know about 18 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This certificate is over 10 years old and is no longer valid.Expired 23 Jan 2023
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
18 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
Sale price has grown by over 3x since 1997.
£124,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 16 years.
£83,500
Growth on file: 7.4% per year over 16 years.
Sales timeline
9 July 2013Most recent
£83,500
-23.4%over 5 years7 December 2007
£109,000
+13.0%over 2 years18 August 2005
£96,500
+257.4%over 7 years16 October 1997
£27,000
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
£1,057
Street avg £1,146
Floor Area
79 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.3 t/year
Everything you need to know about 18 Sebastopol Street
The true value, the hidden risks and the full sale history, in one report.
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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.






