19 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
About 19 Heol Y Gelli
19 Heol Y Gelli is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BW). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (November 2015) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from November 2015, so improvements made since then won't be reflected.
At 159 m² the property is well over the postcode median (84 m² across 21 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).
Energy performance
19 Heol Y Gelli's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Nov 2025
EPC Rating
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Planning history
19 Heol Y Gelli has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
19 Heol Y Gelli has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£218,000
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 SA4 9BW: £115,000 (2025–2019).
Nearby sales in SA4 9BW
31 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Feb 2025
£141,00035 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Nov 2024
£175,00049 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Nov 2020
£115,0009 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Jun 2020
£107,00018 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
Sold Mar 2019
£90,000
Versus other Heol Y Gelli homes
19 Heol Y Gelli outperforms the street on floor area by a wide margin.
EPC Rating
51 (E)
Street avg 60 (D)
Floor Area
159 m²
Street avg 84 m²
CO₂ Emissions
8.4 t/year
Street avg 4.2 t/year
Habitable Rooms
12 rooms
Street avg 4 rooms
Similar properties nearby
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1 Christopher Rise, Pontlliw
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1 Clordir Road, Pontlliw
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1 Clos Glanlliw, Pontlliw
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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
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.







