18 Dyfed Avenue, Townhill, Swansea, SA1 6NP
About 18 Dyfed Avenue
18 Dyfed Avenue is a four-bedroom mid-terrace house in Townhill, Swansea, Swansea (SA1 6NP). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2024) shows a C (score 69), just inside the C band. When first surveyed in December 2013 the rating was D, the property has climbed 1 band since. The recommended improvements would lift it to A (score 107), a 2-band jump.
Across 2015–2021, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £155,000 sits 63.2% above the 2021 sale of £95,000. At 86 m² it's 20.3% larger than the typical home in the postcode (72 m² median across 18 EPCs). Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). Most recent transfer: August 2021 at £95,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- EnsuiteYes
- FireplaceYes
Outside
- ParkingOff road
Building
- Heating systemGas
Everything you need to know about 18 Dyfed Avenue
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
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Planning history
18 Dyfed Avenue has no planning applications on record.
But the area is active
64 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£155,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 6 years.
£95,000
Growth on file: 1.9% per year over 6 years.
Sales timeline
19 August 2021Most recent
£95,000
+12.0%over 5 years29 September 2015
£84,800
Median price across the last 5 sales in SA1 6NP: £115,000 (2025–2021).
Nearby sales in SA1 6NP
15 Dyfed Avenue, Townhill, Swansea, SA1 6NP
Sold Oct 2025
£150,00020 Dyfed Avenue, Townhill, Swansea, SA1 6NP
Sold Oct 2023
£115,00012 Dyfed Avenue, Townhill, Swansea, SA1 6NP
Sold May 2022
£103,50017 Dyfed Avenue, Townhill, Swansea, SA1 6NP
Sold Nov 2021
£109,50010 Dyfed Avenue, Townhill, Swansea, SA1 6NP
Sold Nov 2021
£122,000
Versus other Dyfed Avenue homes
18 Dyfed Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£1,105
Street avg £1,417
Floor Area
86 m²
Street avg 74 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.3 t/year
Everything you need to know about 18 Dyfed Avenue
The true value, the hidden risks and the full sale history, in one report.
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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
Cadfan Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






