20 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
About 20 Caernarvon Way
20 Caernarvon Way is a semi-detached house in Bonymaen, Swansea, Swansea (SA1 7HN). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (June 2018) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 76).
At 63 m² it's 24.1% smaller than the typical home in the postcode (83 m² median across 23 EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
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Planning history
20 Caernarvon Way has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Caernarvon Way has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£120,000
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 SA1 7HN: £115,000 (2024–2019).
Nearby sales in SA1 7HN
12 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Dec 2024
£120,00016 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Nov 2024
£115,00030 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Dec 2022
£105,0009 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Jul 2021
£125,00014 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Jun 2019
£75,000
Versus other Caernarvon Way homes
20 Caernarvon Way is notably below the street on habitable rooms.
EPC Rating
60 (D)
Street avg 60 (D)
Floor Area
63 m²
Street avg 76 m²
CO₂ Emissions
3.2 t/year
Street avg 3.6 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
1 Clyro Court, Winch Wen
SA1 7HS
1 Cardigan Crescent, Winch Wen
SA1 7ED
1 Chepstow Place, Bonymaen
SA1 7HP
1 Caernarvon Way, Bonymaen
SA1 7HN
1 Chirk Gardens, Bonymaen
SA1 7HU
1 Candleston Place, Bonymaen
SA1 7JB
1 Criccieth Place, Winch Wen
SA1 7DZ
1 Caerphilly Avenue, Bonymaen
SA1 7HY
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cefn Hengoed School — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







