Model valuation£417,0008 Busby Close
Local market context
20 Sebastopol Street, St Thomas, Swansea, SA1 8BN
Property type
Mid terrace
Bedrooms
2
Floor area
70 m²
753 sq ft
Energy rating
D
Score 65
Council tax
Band B
Tenure
Private Rental
About 20 Sebastopol Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Sebastopol Street is a two-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (October 2024) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in May 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
It hasn't traded since August 2002, a hold of 24 years that's notably long for the area. Across 1998–2002, sale prices on this property compounded at 15.1% per year. Today's modelled estimate of £118,000 sits 153.8% above the 2002 sale of £46,500. On a £-per-square-foot basis, the last sale (£62/sq ft) was about 33.6% below the postcode norm.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms2
Before you decide
Everything you need to know about 20 Sebastopol Street
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaLarger development activity nearby
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
Current Certificate(1 of 5)
Oct 2024
EPC Rating
A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.9 t/year
Occupancy
Rented
Certificate validity
Valid until 9 October 2034
Property Improvements
Changes detected from historical EPC data
Jan 2014from May 2009
Low Energy Lighting
37%63%
More low energy lighting installed
May 2014from Feb 2014
Low Energy Lighting
63%100%
More low energy lighting installed
Oct 2024from May 2014
EPC improved fromE39toD65
Heating Controls
Prog + StatFull
Heating controls upgraded for better temperature management
Windows
Partial DoubleFull Double
Windows upgraded, improving insulation
Roof Insulation
UninsulatedInsulated
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Victorian-eraMid-Terrace HouseEPC DPre-1919 build
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Applications and permits filed against 20 Sebastopol Street, St Thomas, Swansea, SA1 8BN, sourced from the PlanIt planning register.
20 Sebastopol Street has no planning applications on record.
47
But the area is active
47 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
20 Sebastopol Street's modelled value sits at over four times its earliest registered sale price (1998).
Current estimate
See how we calculated this£118,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.1% per year over 4 years.
Last sold (2002)
£46,500
Growth on file: 15.1% per year over 4 years.
Sales timeline
14 August 2002Most recent
£46,500
+72.2%over 3 years29 September 1998
£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
Four headline reads against 21 similar houses on this street, drawn from the latest EPC and Land Registry data.
On floor area, 20 Sebastopol Street runs well behind the street norm.
Price per m²
£664
Street avg £1,172
Floor Area
70 m²
Street avg 89 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.4 t/year
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£174k
1 Kilvey Terrace, St Thomas
SA1 8BA
2 bed
£174k
1 Danygraig Road, Port Tennant
SA1 8LY
1 bed
£189k
1 Kinley Street, St Thomas
SA1 8HE
1 bed1 bath
£207k
1 Elmhurst Crescent, St Thomas
SA1 8EA
3 bed1 bath
£147k
1 Balaclava Street, St Thomas
SA1 8BS
4 bed1 bath
£121k
1 Dupre Road, St Thomas
SA1 8HB
£124k
1 Ivy Bush Court, St Thomas
SA1 8DQ
£125k
1 Canaan Row, St Thomas
SA1 8EQ
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Crime
580/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.
Common questions
The questions buyers, sellers and homeowners most often ask about 20 Sebastopol Street, St Thomas, Swansea, SA1 8BN. Each answer is also embedded as structured data for search engines.