27 Ynyswen, Penycae, Swansea, SA9 1YS
About 27 Ynyswen
27 Ynyswen is a five-bedroom mid-terrace house in Penycae, Swansea, Swansea (SA9 1YS). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (March 2025) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 76). Main heating runs on oil. Other recorded features include attached land beyond the plot. Period features are noted in the property record.
At 116 m² the property is well over the postcode median (88 m² across 30 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. A recent sale: £172,000 in June 2025. Across 2014–2025, sale prices on this property compounded at 5.4% per year. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 56.4% above the typical sold price in the postcode.
Know exactly what you're buying at 27 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
- Bedrooms5
- Bathrooms1
Outside
- Private gardenrear
- DrivewayYes
- LandYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Planning history
27 Ynyswen has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 27 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
Latest sale on 27 Ynyswen was the highest on Land Registry record across the postcode.
£187,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 11 years.
£172,000
Growth on file: 5.4% per year over 11 years.
Sales timeline
29 June 2025Most recent
£172,000
+63.8%over 7 years2 May 2018
£105,000
+10.5%over 4 years3 April 2014
£95,000
Median price across the last 5 sales in SA9 1YS: £137,400 (2025–2022).
Nearby sales in SA9 1YS
Everything we know about 27 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 floor area, 27 Ynyswen stands well clear of the street.
Price per m²
£1,483
Street avg £1,078
Floor Area
116 m²
Street avg 89 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.2 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
Ynyswen — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.