83 Ynyswen, Penycae, Swansea, SA9 1YX
About 83 Ynyswen
83 Ynyswen is a semi-detached house in Penycae, Swansea, Swansea (SA9 1YX). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (March 2017) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would lift it to A (score 92), a 5-band jump. Main heating runs on oil.
At 135 m² the property is well over the postcode median (88 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at 83 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
83 Ynyswen sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
83 Ynyswen has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 83 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
83 Ynyswen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£190,000
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 1YX: £102,000 (2021–2016).
Nearby sales in SA9 1YX
Everything we know about 83 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
Floor Area for 83 Ynyswen runs comfortably ahead of the street norm.
EPC Rating
34 (F)
Street avg 56 (D)
Floor Area
135 m²
Street avg 91 m²
CO₂ Emissions
11.0 t/year
Street avg 5.6 t/year
Habitable Rooms
5 rooms
Street avg 6 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
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.