20 Clos Helyg, Gowerton, Swansea, SA4 3GH
About 20 Clos Helyg
20 Clos Helyg is a two-bedroom semi-detached house in Gowerton, Swansea, Swansea (SA4 3GH). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (November 2023) shows a C (score 73). When first surveyed in October 2013 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 88).
8 years since the last transfer (January 2018). Across the public record there are 4 sales, relatively high churn for a single property. Across 2000–2018, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £190,000 is 35.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 131.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff road
Building
- Heating systemGas
Everything you need to know about 20 Clos Helyg
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
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Planning history
20 Clos Helyg has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£190,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 18 years.
£140,000
Growth on file: 5.4% per year over 18 years.
Sales timeline
29 January 2018Most recent
£140,000
+12.0%over 1 year5 May 2016
£125,000
-3.5%over 8 years9 August 2007
£129,500
+135.7%over 7 years11 May 2000
£54,950
Median price across the last 5 sales in SA4 3GH: £190,000 (2022–2018).
Nearby sales in SA4 3GH
24 Clos Helyg, Gowerton, Swansea, SA4 3GH
Sold Sept 2022
£270,00035 Clos Helyg, Gowerton, Swansea, SA4 3GH
Sold Jun 2021
£225,00036 Clos Helyg, Gowerton, Swansea, SA4 3GH
Sold Apr 2021
£175,00027 Clos Helyg, Gowerton, Swansea, SA4 3GH
Sold Nov 2019
£150,00019 Clos Helyg, Gowerton, Swansea, SA4 3GH
Sold Apr 2017
£118,000
Versus other Clos Helyg homes
EPC Rating for 20 Clos Helyg runs comfortably ahead of the street norm.
Price per m²
£2,500
Street avg £1,963
Floor Area
56 m²
Street avg 83 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.9 t/year
Everything you need to know about 20 Clos Helyg
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gurnos Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






