35 Balaclava Street, St Thomas, Swansea, SA1 8BR
About 35 Balaclava Street
35 Balaclava Street is a three-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BR). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Today's modelled estimate of £145,000 sits 70.6% above the 2017 sale of £85,000. On a £-per-square-foot basis, the last sale (£95/sq ft) was about 26.4% above the typical sold price in the postcode. One planning record on file: an extension approved in 2018. Past consents include an extension, HMO conversion and change of use to residential, meaningful when judging how the property has evolved. 9 years since the last transfer (June 2017).
What this property has
Inside
- Bedrooms3
- Bathrooms1
Everything you need to know about 35 Balaclava 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
Window efficiency improved
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
1 application on record at 35 Balaclava Street, St Thomas, Swansea, SA1 8BR
- Oct 2018HMOFullOutcome in report
Extension: Rear of property
Change of use from dwellinghouse (Class C3) to HMO for 4 persons (Class C4) and single storey rear extension
ExtensionChange of Use- Documents
- 16 docs on file
- Reference
- 2018/1771/FUL
Unlock 35 Balaclava Street, St Thomas, Swansea, SA1 8BR'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- Every decision — granted, refused or withdrawn (1 on record)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 16 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
35 Balaclava Street valuation sits well clear of the typical sold price in this postcode.
£145,000
Modelled from EPC, postcode comparables.
£85,000
Recorded with HM Land Registry.
Sales timeline
18 June 2017Most recent
£85,000
Median price across the last 5 sales in SA1 8BR: £155,000 (2025–2021).
Nearby sales in SA1 8BR
36 Balaclava Street, St Thomas, Swansea, SA1 8BR
Sold Aug 2025
£165,00039a, Balaclava Street, St Thomas, Swansea, SA1 8BR
Sold Feb 2025
£155,00048 Balaclava Street, St Thomas, Swansea, SA1 8BR
Sold Jun 2021
£127,00040 Balaclava Street, St Thomas, Swansea, SA1 8BR
Sold Mar 2021
£140,00041 Balaclava Street, St Thomas, Swansea, SA1 8BR
Sold Dec 2020
£125,000
Versus other Balaclava Street homes
Price per m²
£1,024
Street avg £1,086
Floor Area
83 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.0 t/year
Everything you need to know about 35 Balaclava 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
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.






