12 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
About 12 Caernarvon Way
12 Caernarvon Way is an end-of-terrace house in Bonymaen, Swansea, Swansea (SA1 7HN). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (October 2017) shows a D (score 55), a step below the typical UK home. When first surveyed in December 2014 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
It changed hands recently, sold December 2024 for £120,000. Across 2015–2024, sale prices on this property compounded at 5% per year. Today's modelled estimate of £138,000 is 15% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 44.7% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Planning history
12 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
12 Caernarvon Way valuation sits well clear of the typical sold price in this postcode.
£138,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 10 years.
£120,000
Growth on file: 5.0% per year over 10 years.
Sales timeline
6 December 2024Most recent
£120,000
+60.0%over 9 years19 May 2015
£75,000
Median price across the last 5 sales in SA1 7HN: £105,000 (2024–2015).
Nearby sales in SA1 7HN
16 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
£75,0007 Caernarvon Way, Bonymaen, Swansea, SA1 7HN
Sold Jan 2009
£35,000
Versus other Caernarvon Way homes
Years Held for 12 Caernarvon Way lags the street by a wide margin.
Price per m²
£1,412
Street avg £1,054
Floor Area
85 m²
Street avg 75 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.6 t/year
Street avg 3.5 t/year
Similar properties nearby
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1 Caerphilly Avenue, Bonymaen
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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.







