21 Windway Avenue, Cardiff, CF5 1AP
About 21 Windway Avenue
21 Windway Avenue is a three-bedroom semi-detached house in Cardiff (CF5 1AP). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2018) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 80).
It hasn't traded since August 2004, a hold of 22 years that's notably long for the area. Across 2002–2004, sale prices on this property compounded at 24.5% per year. Today's modelled estimate of £392,000 sits 78.2% above the 2004 sale of £219,950.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- GarageYes
Energy performance
EPC Rating
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Planning history
21 Windway Avenue has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Windway Avenue changed hands twice within eighteen months — unusual for the area.
£392,000
Modelled from EPC, postcode comparables and a sale-price growth of 24.5% per year over 2 years.
£219,950
Growth on file: 24.5% per year over 2 years.
Sales timeline
16 August 2004Most recent
£219,950
+34.5%over 1 year5 June 2003
£163,500
+16.8%over 10 months25 July 2002
£139,950
Median price across the last 5 sales in CF5 1AP: £415,000 (2024–2022).
Nearby sales in CF5 1AP
Versus other Windway Avenue homes
Years Held for 21 Windway Avenue runs comfortably ahead of the street norm.
Price per m²
£2,528
Street avg £3,025
Floor Area
87 m²
Street avg 96 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Windway Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







