9 Osterley Street, St Thomas, Swansea, SA1 8HJ
About 9 Osterley Street
9 Osterley Street is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HJ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (November 2013) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.
On the market in February 2014 and unlisted since — roughly 12 years. Today's modelled estimate of £150,000 is 36.4% above the 2014 sale price.
Everything you need to know about 9 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 Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Nov 2023
EPC Rating
Certificate validity
Expired on 13 November 2023
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
9 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
9 Osterley Street valuation sits well clear of the typical sold price in this postcode.
£150,000
Modelled from EPC, postcode comparables.
£109,950
Recorded with HM Land Registry.
Sales timeline
28 February 2014Most recent
£109,950
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
Habitable Rooms for 9 Osterley Street runs comfortably ahead of the street norm.
Price per m²
£1,100
Street avg £1,198
Floor Area
100 m²
Street avg 91 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.4 t/year
Everything you need to know about 9 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.






