16 St Helens Avenue, Swansea, SA1 4ND
About 16 St Helens Avenue
16 St Helens Avenue is a four-bedroom mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2020) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2009. Between certificates, hot-water efficiency dropped from Good to Average and lighting dropped from Very Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump.
Across 1999–2016, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £236,000 sits 52.3% above the 2016 sale of £155,000. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 33.5% above the typical sold price in the postcode. One planning record on file: a loft conversion approved in 2012. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 119 m² it's 22.5% smaller than the typical home in the postcode (154 m² median across 28 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). On the market in February 2016 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Everything you need to know about 16 St Helens Avenue
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Energy performance
16 St Helens Avenue's carbon output runs well above what efficient homes in the postcode produce.
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.
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Planning history
1 application on record at 16 St Helens Avenue, Swansea, SA1 4ND
- Oct 2012Loft ConversionFullOutcome in report
Rear dormer
- Documents
- 7 docs on file
- Reference
- 2012/1016
Unlock 16 St Helens Avenue, Swansea, SA1 4ND's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 44 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
16 St Helens Avenue has more than doubled in price since the earliest registered sale in 1999.
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 17 years.
£155,000
Growth on file: 5.6% per year over 17 years.
Sales timeline
12 February 2016Most recent
£155,000
-8.8%over 11 years8 July 2004
£170,000
+172.0%over 5 years10 June 1999
£62,500
Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2020).
Nearby sales in SA1 4ND
Versus other St Helens Avenue homes
Habitable Rooms for 16 St Helens Avenue lags the street by a wide margin.
Price per m²
£1,303
Street avg £1,119
Floor Area
119 m²
Street avg 151 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
7.8 t/year
Street avg 6.9 t/year
Everything you need to know about 16 St Helens Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Helens Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.