3 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
About 3 Colwyn Avenue
3 Colwyn Avenue is a two-bedroom end-of-terrace house in Winch Wen, Swansea, Swansea (SA1 7EE). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (April 2025) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump.
A recent sale: £129,000 in September 2025. Across 1999–2025, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £158,000 is 22.5% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£169/sq ft) was about 55.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Private gardenRear
- ParkingOff street
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 Colwyn Avenue 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
Price for 3 Colwyn Avenue has grown more than fourfold since the 1999 starting point.
£158,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 26 years.
£129,000
Growth on file: 6.9% per year over 26 years.
Sales timeline
25 September 2025Most recent
£129,000
+330.0%over 11 years8 May 2014
£30,000
-10.4%over 6 months1 November 2013
£33,500
+45.7%over 14 years17 October 1999
£23,000
Median price across the last 5 sales in SA1 7EE: £116,550 (2025–2017).
Nearby sales in SA1 7EE
6 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
Sold Aug 2025
£185,0005 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
Sold Apr 2025
£115,0008 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
Sold Jun 2021
£120,00023 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
Sold May 2021
£116,55010 Colwyn Avenue, Winch Wen, Swansea, SA1 7EE
Sold Aug 2017
£74,000
Versus other Colwyn Avenue homes
On years held, 3 Colwyn Avenue runs well behind the street norm.
Price per m²
£1,817
Street avg £1,516
Floor Area
71 m²
Street avg 76 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.6 t/year
Similar properties nearby
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1 Britannia Apartments, Phoebe Road, Copper Quarter, Pentrechwyth
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1 Bryn Helyg, Winch Wen
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Carmel Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







