4 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
About 4 Bryntirion Road
4 Bryntirion Road is a semi-detached house in Pontlliw, Swansea, Swansea (SA4 9EB). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2025) shows a C (score 76), near the top of the C band. When first surveyed in December 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and lighting went from Good to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 82).
It changed hands recently, sold January 2026 for £300,000. At 130 m² it's 26.2% larger than the typical home in the postcode (103 m² median across 26 EPCs). Across 2016–2026, sale prices on this property compounded at 14.4% per year. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 69.1% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 31 July 2035
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
4 Bryntirion Road has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 2016.
£315,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.4% per year over 10 years.
£300,000
Growth on file: 14.4% per year over 10 years.
Sales timeline
30 January 2026Most recent
£300,000
+284.6%over 10 years15 January 2016
£78,000
Median price across the last 5 sales in SA4 9EB: £274,995 (2026–2024).
Nearby sales in SA4 9EB
46 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
Sold Jan 2026
£444,00044 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
Sold Aug 2025
£239,00054 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
Sold Apr 2025
£255,00068 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
Sold Jul 2024
£460,0002 Bryntirion Road, Pontlliw, Swansea, SA4 9EB
Sold Feb 2024
£274,995
Versus other Bryntirion Road homes
On years held, 4 Bryntirion Road runs well behind the street norm.
Price per m²
£2,308
Street avg £1,826
Floor Area
130 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Y Llanerch — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







