91 Ynyswen, Penycae, Swansea, SA9 1YX
About 91 Ynyswen
91 Ynyswen is a semi-detached house in Penycae, Swansea, Swansea (SA9 1YX). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (April 2013) shows a D (score 55), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil. The latest certificate is from April 2013, so improvements made since then won't be reflected.
Know exactly what you're buying at 91 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This certificate is over 10 years old and is no longer valid.Expired 28 Apr 2023
EPC Rating
Planning history
91 Ynyswen has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 91 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
91 Ynyswen has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£146,000
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 91 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
EPC Rating
55 (D)
Street avg 55 (D)
Floor Area
94 m²
Street avg 92 m²
CO₂ Emissions
5.7 t/year
Street avg 5.8 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.