27 Sebastopol Street, St Thomas, Swansea, SA1 8BN
About 27 Sebastopol Street
27 Sebastopol Street is a three-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (July 2017) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 77).
One planning record on file: HMO conversion approved in 2018. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 103 m² it's 29.6% larger than the typical home in the postcode (80 m² median across 22 EPCs). Across 2017–2022, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £168,000 is 12% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 49.7% above the typical sold price in the postcode. Most recent transfer: June 2022 at £150,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
Everything you need to know about 27 Sebastopol Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
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
1 application on record at 27 Sebastopol Street, St Thomas, Swansea, SA1 8BN
- Mar 2018HMOFullOutcome in report
Change of use from residential (Class C3) to 3 bedroom HMO for 3 people (Class C4)
- Documents
- 14 docs on file
- Reference
- 2018/0212/FUL
Unlock 27 Sebastopol Street, St Thomas, Swansea, SA1 8BN's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 53 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 27 Sebastopol Street was the highest on Land Registry record across the postcode.
£168,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.2% per year over 5 years.
£150,000
Growth on file: 10.2% per year over 5 years.
Sales timeline
30 June 2022Most recent
£150,000
+56.3%over 4 years24 November 2017
£96,000
Median price across the last 5 sales in SA1 8BN: £125,000 (2022–2018).
Nearby sales in SA1 8BN
12 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Sept 2022
£130,00031 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
£128,0005 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Sold Sept 2018
£114,000
Versus other Sebastopol Street homes
27 Sebastopol Street is notably below the street on years held.
Price per m²
£1,456
Street avg £1,119
Floor Area
103 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.2 t/year
Everything you need to know about 27 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.






