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Get started14 Nant Y Wiwer is a two-bedroom 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 2003-2006 and council tax band C. The latest certificate (July 2015) shows a C (score 75), near the top of the C band. The rating has held steady at C across 3 certificates since June 2010. Between certificates, roof efficiency went from Good to Very Good and lighting went from Very Poor to Average. The recommended improvements would lift it to A (score 94), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5.5% per year against 0% for the wider region. Today's modelled estimate of £156,000 sits 62.1% above the 2012 sale of £96,250. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 20.4% above the typical sold price in the postcode. 14 years since the last transfer (February 2012). Across the public record there are 6 sales, relatively high churn for a single property.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 22 Jul 2025
14 Nant Y Wiwer changed hands twice within eighteen months — unusual for the area.
£156,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 10 years.
£96,250
Growth on file: 5.5% per year over 10 years.
CO₂ Emissions for 14 Nant Y Wiwer runs comfortably ahead of the street norm.
Price per m²
£1,750
Street avg £2,062
Floor Area
55 m²
Street avg 66 m²
Habitable Rooms
3 rooms
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
Heating controls changed
More low energy lighting installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
16 February 2012Most recent
£96,250
-1.3%over 1 year20 December 2010
£97,500
-9.7%over 4 years3 November 2006
£108,000
+5.4%over 1 year7 October 2005
£102,500
+9.0%over 1 year21 May 2004
£94,000
+70.9%over 2 years31 August 2001
£54,995
Median price across the last 5 sales in SA13 2XX: £165,000 (2025–2021).
Street avg 4 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.3 t/year
SA13 2TT
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