6 Osterley Street, St Thomas, Swansea, SA1 8HJ
About 6 Osterley Street
6 Osterley Street is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HJ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2024) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2013. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 3-band jump.
Today's modelled estimate of £139,000 sits 51.1% above the 2024 sale of £92,000. Last sale on file: £92,000 in May 2024.
Everything you need to know about 6 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
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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
6 Osterley 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 Osterley Street valuation sits well clear of the typical sold price in this postcode.
£139,000
Modelled from EPC, postcode comparables.
£92,000
Recorded with HM Land Registry.
Sales timeline
9 May 2024Most recent
£92,000
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 price per m², 6 Osterley Street runs well behind the street norm.
Price per m²
£989
Street avg £1,204
Floor Area
93 m²
Street avg 91 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.8 t/year
Street avg 5.4 t/year
Everything you need to know about 6 Osterley 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
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.






