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Get started17 Nant Y Wiwer is a mid-terrace house in Margam, Port Talbot, Port Talbot (SA13 2XX). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (April 2019) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2008); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Average. The recommended improvements would lift it to B (score 91), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
17 Nant Y Wiwer sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
17 Nant Y Wiwer has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£153,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On epc rating, 17 Nant Y Wiwer runs well behind the street norm.
EPC Rating
68 (D)
Street avg 72 (C)
Floor Area
55 m²
Street avg 66 m²
CO₂ Emissions
2.4 t/year
Street avg 2.3 t/year
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Coed Hirwaun Primary School — bus stop.
Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SA13 2XX: £165,000 (2025–2021).
Habitable Rooms
3 rooms
Street avg 4 rooms