15 Grants Close, Tongwynlais, Cardiff, CF15 7NG
About 15 Grants Close
15 Grants Close is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7NG). It has a recorded floor area of 125 m² (around 1346 sq ft) and council tax band G. The latest certificate (August 2010) returns a B (score 81), comfortably above the UK average. The latest certificate is from August 2010, so improvements made since then won't be reflected.
Untraded for 15 years, with the last transfer in December 2010. One planning record on file: an extension approved in 2015. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £441,000 is 43.6% above the 2010 sale price.
Energy performance
15 Grants Close'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This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2020
EPC Rating
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Planning history
1 application on record at 15 Grants Close, Tongwynlais, Cardiff, CF15 7NG
- Mar 2015Garage ConversionFullOutcome in report
Extension: Single storey · Side of property
SINGLE STOREY SIDE EXTENSION INCLUDING NEW GARAGE AND UTILITY ROOM. CONVERSION OF EXISTING GARAGE INTO HABITABLE ROOM/SPACE
Extension- Documents
- 10 docs on file
- Reference
- 15/00246/DCH
Unlock 15 Grants Close, Tongwynlais, Cardiff, CF15 7NG'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- Every decision — granted, refused or withdrawn (1 on record)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 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
15 Grants Close valuation sits well clear of the typical sold price in this postcode.
£441,000
Modelled from EPC, postcode comparables.
£307,000
Recorded with HM Land Registry.
Sales timeline
23 December 2010Most recent
£307,000
Median price across the last 5 sales in CF15 7NG: £327,500 (2022–2017).
Nearby sales in CF15 7NG
11 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Feb 2022
£385,00018 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Mar 2021
£279,95027 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Jul 2018
£330,00012 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Oct 2017
£327,50019 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold May 2017
£255,000
Versus other Grants Close homes
15 Grants Close outperforms the street on years held by a wide margin.
Price per m²
£2,456
Street avg £2,352
Floor Area
125 m²
Street avg 121 m²
CO₂ Emissions
2.6 t/year
Street avg 2.8 t/year
Years Held
15 years
Street avg 12 years
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Iron Bridge — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







