6 Heol Y Gelli, Penllergaer, Swansea, SA4 9BW
About 6 Heol Y Gelli
6 Heol Y Gelli is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BW). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (November 2025) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Main heating runs on anthracite. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
6 Heol Y Gelli's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
6 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
6 Heol Y Gelli has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£153,000
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
Floor Area for 6 Heol Y Gelli lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 59 (D)
Floor Area
82 m²
Street avg 88 m²
CO₂ Emissions
6.5 t/year
Street avg 4.3 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
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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.







