12 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
About 12 Golwg Y Garn
12 Golwg Y Garn is a two-bedroom semi-detached house in Penllergaer, Swansea, Swansea (SA4 9DE). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (December 2023) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since March 2010. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 91).
It changed hands recently, sold June 2025 for £183,000. Across 2006–2025, sale prices on this property compounded at 2.8% per year. On a £-per-square-foot basis, the last sale (£283/sq ft) was about 66.1% above the typical sold price in the postcode. At 60 m² it's 23.1% smaller than the typical home in the postcode (78 m² median across 25 EPCs).
What this property has
Inside
- Bedrooms2
- Bathrooms2
- CloakroomYes
Outside
- Private gardenFront and rear
Energy performance
12 Golwg Y Garn's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
12 Golwg Y Garn 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
12 Golwg Y Garn valuation sits well clear of the typical sold price in this postcode.
£189,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 19 years.
£183,000
Growth on file: 2.8% per year over 19 years.
Sales timeline
3 June 2025Most recent
£183,000
+52.5%over 7 years8 October 2017
£120,000
+9.8%over 11 years29 August 2006
£109,245
Median price across the last 5 sales in SA4 9DE: £237,000 (2025–2022).
Nearby sales in SA4 9DE
11 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
Sold Oct 2025
£255,50016 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
Sold Dec 2024
£280,0002 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
Sold Mar 2024
£237,00023 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
Sold Jan 2023
£205,00014 Golwg Y Garn, Penllergaer, Swansea, SA4 9DE
Sold Jan 2022
£340,000
Versus other Golwg Y Garn homes
12 Golwg Y Garn is notably below the street on floor area.
Price per m²
£3,050
Street avg £2,052
Floor Area
60 m²
Street avg 82 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
1.5 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Morgan Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







