16 First Avenue, Clase, Swansea, SA6 7LL
About 16 First Avenue
16 First Avenue is a two-bedroom end-of-terrace house in Clase, Swansea, Swansea (SA6 7LL). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1930-1949 and council tax band B. Tenure is freehold. The latest certificate (December 2025) shows a C (score 75), near the top of the C band. When first surveyed in July 2018 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Very Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2018–2022, sale prices on this property compounded at 12.3% per year. Today's modelled estimate of £129,000 is 29% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£122/sq ft) was about 37.2% above the typical sold price in the postcode. Last sale on file: £100,000 in December 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- EnsuiteYes
Outside
- Private gardenRear
Building
- TenureFreehold
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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Planning history
16 First Avenue has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.3% per year over 4 years.
£100,000
Growth on file: 12.3% per year over 4 years.
Sales timeline
22 December 2022Most recent
£100,000
+61.3%over 4 years9 November 2018
£62,000
Median price across the last 5 sales in SA6 7LL: £88,000 (2023–2016).
Versus other First Avenue homes
16 First Avenue outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,316
Street avg £1,435
Floor Area
76 m²
Street avg 74 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pengwern Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







