1 Quarry Street, Nantgarw, Cardiff, CF15 7SY
About 1 Quarry Street
1 Quarry Street is a semi-detached house in Nantgarw, Cardiff, Cardiff (CF15 7SY). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (April 2025) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since August 2010. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Across 2005–2016, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £216,000 sits 66.2% above the 2016 sale of £130,000. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 32.4% below the postcode norm. Last changed hands 10 years ago, in February 2016. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
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Planning history
1 Quarry Street has 2 separate extension applications on the council record.
3 applications on record at 1 Quarry Street, Nantgarw, Cardiff, CF15 7SY
- May 2002FullOutcome in report
Proposed change of use from existing unit (office and storage) to a Community Safety Awarenesss Facility
- Reference
- 00/2072/10
- More recent applications — locked
- ExtensionDec 2014Decision
- ExtensionDec 2014Decision
Unlock 1 Quarry Street, Nantgarw, Cardiff, CF15 7SY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 18 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Quarry Street changed hands twice within eighteen months — unusual for the area.
£216,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 11 years.
£130,000
Growth on file: 4.6% per year over 11 years.
Sales timeline
22 February 2016Most recent
£130,000
-11.6%30 October 2015
£147,000
+27.8%over 3 years16 December 2011
£115,000
+43.8%over 6 years19 April 2005
£80,000
Median price across the last 4 sales in CF15 7SY: £187,500 (2022–2004).
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
ESIS — bus stop.
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