31 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
About 31 Heol Yr Eos
31 Heol Yr Eos is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BS). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2020) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2009. Between certificates, lighting went from Very Poor to Average; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 69), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Today's modelled estimate of £154,000 is 42.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 30% above the typical sold price in the postcode. Last sale on file: £108,000 in March 2024. One historical planning record sits against the property in 2015.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 15 March 2030
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
1 application on record at 31 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
- Oct 2015New BuildOutlineOutcome in report
Detached dwelling (Outline)
- Documents
- 22 docs on file
- Reference
- 2015/1656
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 22 documents, officer reports & conditions
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Sales history & valuation
31 Heol Yr Eos's sale-price growth has lagged the wider UK trajectory across its history on file.
£154,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 17 years.
£108,000
Growth on file: 0.5% per year over 17 years.
Sales timeline
18 March 2024Most recent
£108,000
-16.9%over 2 years18 May 2021
£130,000
+30.0%over 14 years16 March 2007
£100,000
Median price across the last 5 sales in SA4 9BS: £118,750 (2025–2018).
Nearby sales in SA4 9BS
1 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
Sold Dec 2025
£140,00052 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
Sold Dec 2024
£168,00018 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
Sold Mar 2020
£105,00044 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
Sold Dec 2018
£118,75015 Heol Yr Eos, Penllergaer, Swansea, SA4 9BS
Sold Oct 2018
£91,000
Versus other Heol Yr Eos homes
On epc rating, 31 Heol Yr Eos runs well behind the street norm.
Price per m²
£1,301
Street avg £1,111
Floor Area
83 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.1 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Llwyn-yr-Eos — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







