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Get started11 Heol Syr William is a semi-detached house in Cymmer, Port Talbot, Port Talbot (SA13 3SW). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (February 2026) returns a high B (score 89), putting the home a stone's throw from an A rating. When first surveyed in August 2011 the rating was D, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
11 Heol Syr William's carbon output is low for the local stock.
11 Heol Syr William has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£122,000
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, 11 Heol Syr William stands well clear of the street.
EPC Rating
89 (B)
Street avg 73 (C)
Floor Area
77 m²
Street avg 78 m²
CO₂ Emissions
1.5 t/year
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Nant-y-Fedw Road — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Mechanical ventilation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 4 sales in SA13 3SW: £67,500 (2019–2007).
Street avg 2.6 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms