Model valuation£417,0008 Busby Close
Local market context
104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
1 planning record
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
98 m²
1055 sq ft
Energy rating
D
Score 61
Council tax
Band B
Tenure
Owner Occupied
About 104 Colwyn Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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 £137,000 sits 65.1% above the 2013 sale of £83,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 16.4% 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.
Before you decide
Everything you need to know about 104 Colwyn Avenue
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
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This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2023
Current Certificate
Jul 2013EPC Rating
A
B
C
D
D61
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.3 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 1 July 2023
Get a survey for this property
Level 3 Building Survey
Mid 20th centurySemi-Detached HouseEPC DExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Applications and permits filed against 104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN, sourced from the PlanIt planning register.
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
1decisions1extensions10documents3nearby
- 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
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- 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
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
104 Colwyn Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£137,000
Modelled from EPC, postcode comparables.
Last sold (2013)
£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: £103,000 (2025–2010).
Nearby sales in SA1 7EN
98 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN
Sold Nov 2025
£105,000134 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
£90,000
Versus other Colwyn Avenue homes
Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.
Price per m² for 104 Colwyn Avenue lags the street by a wide margin.
Price per m²
£847
Street avg £1,227
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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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£137k
1 Bryn Morfa, Winch Wen
SA1 7LH
2 bed1 bath
£136k
1 Buckingham Road, Bonymaen
SA1 7AL
£134k
1 Aeron Place, Bonymaen
SA1 7BY
£134k
1 Caerphilly Avenue, Bonymaen
SA1 7HY
£130k
1 Carew Place, Winch Wen
SA1 7DX
£129k
1 Carreg Cennen Gardens, Bonymaen
SA1 7DJ
£129k
1 Dartford Drive, Bonymaen
SA1 7DU
£127k
1 Cilgerran Place, Winch Wen
SA1 7EB
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Crime
580/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.
Common questions
The questions buyers, sellers and homeowners most often ask about 104 Colwyn Avenue, Winch Wen, Swansea, SA1 7EN. Each answer is also embedded as structured data for search engines.