105 Ynyswen, Penycae, Swansea, SA9 1YX
About 105 Ynyswen
105 Ynyswen is a three-bedroom semi-detached house in Penycae, Swansea, Swansea (SA9 1YX). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (March 2017) shows a G (score 16), near the bottom of the EPC scale. Earlier certificates rated it F (January 2010); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Poor. The recommended improvements would lift it to A (score 101), a 6-band jump. Main heating runs on electricity.
It hasn't traded since March 2011, a hold of 15 years that's notably long for the area. At 105 m² it's 20% larger than the typical home in the postcode (88 m² median across 24 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £154,000 sits 120% above the 2011 sale of £70,000. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 105 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
What this property has
Inside
- Bedrooms3
Energy performance
105 Ynyswen sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency improved
Low energy lighting percentage decreased
Planning history
105 Ynyswen has 2 separate extension applications on the council record.
- Apr 2020ExtensionFullIn report
Extension: Single storey
Proposed first-floor extension above and forward of an existing outhouse side annex.
- Agent
- Roger Roberts Surveys Limited
- Documents
- 28 docs on file
- Reference
- 20/18393/FUL
- Sept 2019AnnexFullIn report
Extension: Single storey · Side of property
Proposed first-floor extension above an existing outhouse side annexe. Please note site location plan states 114 Ynyswen on the adjoining property, however, this is wrong and the site next door 104 and is the correct position of this property. This application is being submitted at the same time as the next door property (separate submission) which are also having the same style and size of extension.
- Agent
- Roger Roberts Surveys Limited
Extension- Documents
- 38 docs on file
- Reference
- 19/17503/FUL
We flagged 1 thing worth checking at 105 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
30-day money-back guarantee
Sales history & valuation
105 Ynyswen valuation sits well clear of the typical sold price in this postcode.
£154,000
Modelled from EPC, postcode comparables.
£70,000
Recorded with HM Land Registry.
Sales timeline
25 March 2011Most recent
£70,000
Median price across the last 5 sales in SA9 1YX: £102,000 (2021–2016).
Nearby sales in SA9 1YX
Everything we know about 105 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
On epc rating, 105 Ynyswen runs well behind the street norm.
Price per m²
£667
Street avg £925
Floor Area
105 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 5.6 t/year
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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.