6 Crystal Avenue, Cardiff, CF23 5QJ
About 6 Crystal Avenue
6 Crystal Avenue is a three-bedroom detached house in Cardiff (CF23 5QJ). It has a recorded floor area of 72 m² (around 777 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (June 2010) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from June 2010, so improvements made since then won't be reflected.
Across 1998–2015, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £360,000 is 38.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 34.9% above the typical sold price in the postcode. Last sold in July 2015, so it's been off the market for around 11 years. At 72 m² it's 26.4% smaller than the typical home in the postcode (98 m² median across 11 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenRear
- DrivewayYes
Everything you need to know about 6 Crystal Avenue
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Energy performance
6 Crystal Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jun 2020
EPC Rating
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Planning history
6 Crystal Avenue has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6 Crystal Avenue has more than tripled in price since its earliest registered sale in 1998.
£360,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 17 years.
£259,500
Growth on file: 7.8% per year over 17 years.
Sales timeline
16 July 2015Most recent
£259,500
+52.6%over 3 years8 November 2011
£170,000
+131.3%over 13 years8 October 1998
£73,500
Median price across the last 5 sales in CF23 5QJ: £345,000 (2024–2018).
Nearby sales in CF23 5QJ
Versus other Crystal Avenue homes
6 Crystal Avenue is notably below the street on habitable rooms.
Price per m²
£3,597
Street avg £2,939
Floor Area
72 m²
Street avg 104 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.6 t/year
Everything you need to know about 6 Crystal Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Heath High Level Rail Station — railway station.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.