13 St Helens Avenue, Swansea, SA1 4ND
About 13 St Helens Avenue
13 St Helens Avenue is a mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 164 m² (around 1765 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2021) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 76).
Across 2004–2020, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £274,000 is 31.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 35.8% above the typical sold price in the postcode. Sold April 2020 for £209,000.
Energy performance
13 St Helens Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 23 September 2031
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 £885 · Includes VAT
Planning history
13 St Helens Avenue has no planning applications on record.
But the area is active
44 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£274,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 15 years.
£209,000
Growth on file: 1.5% per year over 15 years.
Sales timeline
22 April 2020Most recent
£209,000
+26.7%over 15 years26 November 2004
£165,000
Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2019).
Nearby sales in SA1 4ND
Versus other St Helens Avenue homes
On years held, 13 St Helens Avenue runs well behind the street norm.
Price per m²
£1,274
Street avg £1,107
Floor Area
164 m²
Street avg 151 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.9 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
580/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.







