55 Gwyn Street, Pontardawe, Swansea, SA8 3AL
About 55 Gwyn Street
55 Gwyn Street is a mid-terrace house in Pontardawe, Swansea, Swansea (SA8 3AL). It has a recorded floor area of 66 m² (around 710 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2019) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2002–2020, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £153,000 sits 61.1% above the 2020 sale of £94,950. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 17.8% above the typical sold price in the postcode. At 66 m² it's 21.9% smaller than the typical home in the postcode (85 m² median across 14 EPCs). Most recent transfer: January 2020 at £94,950.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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
55 Gwyn Street has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has grown by over 3x since 2002.
£153,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 18 years.
£94,950
Growth on file: 7.1% per year over 18 years.
Sales timeline
15 January 2020Most recent
£94,950
+245.3%over 17 years15 January 2002
£27,500
Median price across the last 5 sales in SA8 3AL: £195,000 (2025–2023).
Nearby sales in SA8 3AL
Allt Y Grug, Gwyn Street, Pontardawe, Swansea, SA8 3AL
Sold Jul 2025
£300,00046 Gwyn Street, Pontardawe, Swansea, SA8 3AL
Sold Nov 2024
£195,0003 Gwyn Street, Pontardawe, Swansea, SA8 3AL
Sold Nov 2024
£235,00057 Gwyn Street, Pontardawe, Swansea, SA8 3AL
Sold Mar 2024
£178,70035 Gwyn Street, Pontardawe, Swansea, SA8 3AL
Sold Jun 2023
£150,000
Versus other Gwyn Street homes
Habitable Rooms for 55 Gwyn Street lags the street by a wide margin.
Price per m²
£1,439
Street avg £1,596
Floor Area
66 m²
Street avg 97 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.6 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gwyn Arms — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







