15 Middleton Street, St Thomas, Swansea, SA1 8HH
About 15 Middleton Street
15 Middleton Street is a three-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HH). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2015) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £142,000 sits 57.8% above the 2018 sale of £90,000. On a £-per-square-foot basis, the last sale (£109/sq ft) was about 20% above the typical sold price in the postcode. One planning record on file: HMO conversion approved in 2019. Past consents include HMO conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Most recent transfer: December 2018 at £90,000.
What this property has
Inside
- Bedrooms3
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- ParkingYes
Everything you need to know about 15 Middleton 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This certificate is over 10 years old and is no longer valid.Expired 03 Mar 2025
EPC Rating
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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
1 application on record at 15 Middleton Street, St Thomas, Swansea, SA1 8HH
- Aug 2019HMOFullOutcome in report
Change of use from residential (Class C3) to 3 bed HMO for 3 people (Class C4)
- Documents
- 21 docs on file
- Reference
- 2019/0500/FUL
Unlock 15 Middleton Street, St Thomas, Swansea, SA1 8HH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 53 notable nearby
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
15 Middleton Street valuation sits well clear of the typical sold price in this postcode.
£142,000
Modelled from EPC, postcode comparables.
£90,000
Recorded with HM Land Registry.
Sales timeline
11 December 2018Most recent
£90,000
Median price across the last 5 sales in SA1 8HH: £130,000 (2025–2023).
Nearby sales in SA1 8HH
4 Middleton Street, St Thomas, Swansea, SA1 8HH
Sold Feb 2025
£135,0006 Middleton Street, St Thomas, Swansea, SA1 8HH
Sold Dec 2024
£130,0008 Middleton Street, St Thomas, Swansea, SA1 8HH
Sold Oct 2024
£130,00023 Middleton Street, St Thomas, Swansea, SA1 8HH
Sold Aug 2023
£128,00027 Middleton Street, St Thomas, Swansea, SA1 8HH
Sold Aug 2023
£130,000
Versus other Middleton Street homes
CO₂ Emissions for 15 Middleton Street lags the street by a wide margin.
Price per m²
£1,169
Street avg £1,065
Floor Area
77 m²
Street avg 83 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 4.3 t/year
Everything you need to know about 15 Middleton 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
Wallace Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






