19 Crystal Avenue, Cardiff, CF23 5QJ
About 19 Crystal Avenue
19 Crystal Avenue is a three-bedroom semi-detached house in Cardiff (CF23 5QJ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2017) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. Period features are noted in the property record.
One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Today's modelled estimate of £417,000 is 30.3% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 39.2% above the typical sold price in the postcode. On the market in March 2018 and unlisted since — roughly 8 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- GarageYes
Building
- Period featuresYes
Everything you need to know about 19 Crystal Avenue
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
1 application on record at 19 Crystal Avenue, Cardiff, CF23 5QJ
- Jul 2023ExtensionFullOutcome in report
Extension: Side and rear of property
Single storey extension to side and rear of existing dwelling and integration of garage into living accomodation.
- Documents
- 7 docs on file
- Reference
- 23/01187/HSE
Unlock 19 Crystal Avenue, Cardiff, CF23 5QJ'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- Every decision — granted, refused or withdrawn (1 on record)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 1 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
19 Crystal Avenue valuation sits well clear of the typical sold price in this postcode.
£417,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
20 March 2018Most recent
£320,000
Median price across the last 5 sales in CF23 5QJ: £345,000 (2024–2015).
Nearby sales in CF23 5QJ
Versus other Crystal Avenue homes
On epc rating, 19 Crystal Avenue runs well behind the street norm.
Price per m²
£3,596
Street avg £2,939
Floor Area
89 m²
Street avg 102 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.5 t/year
Everything you need to know about 19 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.