4 Ynyswen, Penycae, Swansea, SA9 1YS
About 4 Ynyswen
4 Ynyswen is a semi-detached house in Penycae, Swansea, Swansea (SA9 1YS). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (March 2013) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump. Main heating runs on oil. The latest certificate is from March 2013, so improvements made since then won't be reflected.
At 108 m² it's 22.7% larger than the typical home in the postcode (88 m² median across 30 EPCs).
Know exactly what you're buying at 4 Ynyswen
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Mar 2023
EPC Rating
Planning history
4 Ynyswen has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Ynyswen
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
4 Ynyswen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£158,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in SA9 1YS: £153,000 (2025–2024).
Nearby sales in SA9 1YS
Everything we know about 4 Ynyswen, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Ynyswen homes
4 Ynyswen outperforms the street on habitable rooms by a wide margin.
EPC Rating
67 (D)
Street avg 58 (D)
Floor Area
108 m²
Street avg 90 m²
CO₂ Emissions
4.6 t/year
Street avg 5.2 t/year
Habitable Rooms
8 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ynyswen — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.