5 Osterley Street, St Thomas, Swansea, SA1 8HJ
About 5 Osterley Street
5 Osterley Street is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HJ). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2022) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2013. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Poor. The recommended improvements would lift it to C (score 80), a 2-band jump.
At 108 m² it's 22.7% larger than the typical home in the postcode (88 m² median across 20 EPCs). Today's modelled estimate of £155,000 is 14.8% above the 2022 sale price. Sold January 2022 for £135,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 5 Osterley 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 Rating
Certificate validity
Valid until 3 November 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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
5 Osterley Street has no planning applications on record.
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£155,000
Modelled from EPC, postcode comparables.
£135,000
Recorded with HM Land Registry.
Sales timeline
24 January 2022Most recent
£135,000
Median price across the last 5 sales in SA1 8HJ: £120,000 (2025–2024).
Nearby sales in SA1 8HJ
29 Osterley Street, St Thomas, Swansea, SA1 8HJ
Sold Aug 2025
£160,00023 Osterley Street, St Thomas, Swansea, SA1 8HJ
Sold Jun 2025
£160,00038 Osterley Street, St Thomas, Swansea, SA1 8HJ
Sold May 2025
£81,00020 Osterley Street, St Thomas, Swansea, SA1 8HJ
Sold Oct 2024
£120,00025 Osterley Street, St Thomas, Swansea, SA1 8HJ
Sold Sept 2024
£134,000
Versus other Osterley Street homes
On floor area, 5 Osterley Street stands well clear of the street.
Price per m²
£1,250
Street avg £1,190
Floor Area
108 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.8 t/year
Street avg 5.4 t/year
Everything you need to know about 5 Osterley Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Jersey Park — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






