4 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
About 4 Heol Pennant
4 Heol Pennant is a semi-detached house in Ynysforgan, Swansea, Swansea (SA6 6QY). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (July 2014) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2013. Between certificates, roof efficiency went from Very Poor to Poor, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2025. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2014–2022, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £214,000 is 22.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 47.4% above the typical sold price in the postcode. Most recent transfer: January 2022 at £175,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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This certificate is over 10 years old and is no longer valid.Expired 24 Jul 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 4 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
- Sept 2025DemolitionFullOutcome in report
Extension: Single storey · Rear of property
Demolition of existing conservatory to be replaced with rear single story extension
Extension- Documents
- 14 docs on file
- Reference
- 2025/1429/FUL
Unlock 4 Heol Pennant, Ynysforgan, Swansea, SA6 6QY's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 5 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£214,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 8 years.
£175,000
Growth on file: 2.7% per year over 8 years.
Sales timeline
7 January 2022Most recent
£175,000
+23.2%over 7 years14 April 2014
£142,000
Median price across the last 5 sales in SA6 6QY: £151,000 (2024–2007).
Nearby sales in SA6 6QY
25 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
Sold Oct 2024
£230,00011 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
Sold Jul 2021
£151,0001 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
Sold Jun 2017
£151,4503 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
Sold Jul 2010
£139,00016 Heol Pennant, Ynysforgan, Swansea, SA6 6QY
Sold Aug 2007
£143,500
Versus other Heol Pennant homes
Price per m² for 4 Heol Pennant runs comfortably ahead of the street norm.
Price per m²
£2,465
Street avg £1,866
Floor Area
71 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lon Penfro — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







