104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
About 104 Colwyn Avenue
104 Colwyn Avenue is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7EN). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (July 2013) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from July 2013, so improvements made since then won't be reflected.
Today's modelled estimate of £160,000 sits 92.8% above the 2013 sale of £83,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 15.9% below the postcode norm. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. At 98 m² it's 28.9% larger than the typical home in the postcode (76 m² median across 19 EPCs). On the market in November 2013 and unlisted since — roughly 13 years.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2023
EPC Rating
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Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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Planning history
Council records include a part-single-part-two-storey rear extension at 104 Colwyn Avenue.
1 application on record at 104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
- Apr 2023ExtensionFullOutcome in report
Extension: Part single, part two storey · Rear of property
Part two storey/part first floor rear extension
- Documents
- 10 docs on file
- Reference
- 2023/0257/FUL
Unlock 104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 3 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
104 Colwyn Avenue valuation sits well clear of the typical sold price in this postcode.
£160,000
Modelled from EPC, postcode comparables.
£83,000
Recorded with HM Land Registry.
Sales timeline
22 November 2013Most recent
£83,000
Median price across the last 5 sales in SA1 7EN: £83,000 (2021–2010).
Nearby sales in SA1 7EN
134 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Sept 2021
£77,000116 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Nov 2020
£103,000124 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Apr 2020
£109,250100 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Mar 2010
£90,000118 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Apr 2008
£104,000
Versus other Colwyn Avenue homes
Price per m² for 104 Colwyn Avenue lags the street by a wide margin.
Price per m²
£847
Street avg £1,156
Floor Area
98 m²
Street avg 73 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.4 t/year
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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
Colwyn Avenue Shops — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







