8 Clos Marina, Gowerton, Swansea, SA4 3DU
About 8 Clos Marina
8 Clos Marina is an end-of-terrace house in Gowerton, Swansea, Swansea (SA4 3DU). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (January 2026) shows a C (score 73). When first surveyed in April 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88).
It hasn't traded since December 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £172,000 sits 324.7% above the 1997 sale of £40,500. On a £-per-square-foot basis, the last sale (£65/sq ft) was about 61.9% below the postcode norm.
Energy performance
EPC Rating
Certificate validity
Valid until 19 January 2036
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Low energy lighting percentage decreased
Hot water efficiency improved
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heating controls upgraded for better temperature management
Roof insulation improved
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Planning history
8 Clos Marina has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
8 Clos Marina's modelled value sits at over four times its earliest registered sale price (1997).
£172,000
Modelled from EPC, postcode comparables.
£40,500
Recorded with HM Land Registry.
Sales timeline
3 December 1997Most recent
£40,500
Median price across the last 5 sales in SA4 3DU: £180,000 (2025–2021).
Nearby sales in SA4 3DU
2 Clos Marina, Gowerton, Swansea, SA4 3DU
Sold Sept 2025
£180,0001 Clos Marina, Gowerton, Swansea, SA4 3DU
Sold May 2025
£330,0009 Clos Marina, Gowerton, Swansea, SA4 3DU
Sold Aug 2024
£160,00017 Clos Marina, Gowerton, Swansea, SA4 3DU
Sold Oct 2021
£280,0007 Clos Marina, Gowerton, Swansea, SA4 3DU
Sold May 2021
£120,000
Versus other Clos Marina homes
On price per m², 8 Clos Marina runs well behind the street norm.
Price per m²
£698
Street avg £2,584
Floor Area
58 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Ffos Felen — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







