12 Cleddau Close, St Mellons, Cardiff, CF3 0SG
About 12 Cleddau Close
12 Cleddau Close is a two-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0SG). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (February 2013) returns a high B (score 89), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 93). The latest certificate is from February 2013, so improvements made since then won't be reflected. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a conservatory and a loft. The home occupies a corner plot.
Held since November 2005 — that's 21 years off the open market, well above the local norm. At 76 m² it's 20.8% smaller than the typical home in the postcode (96 m² median across 6 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–2005, sale prices on this property compounded at 10.9% per year. Today's modelled estimate of £250,000 sits 78.6% above the 2005 sale of £140,000. One planning record on file: a garage conversion approved in 2017. Past consents include a garage conversion, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- LoftYes
- ConservatoryYes
Outside
- Private gardenSouth-facing
- GarageDetached
- Corner plotYes
Building
- Solar panelsYes
Energy performance
12 Cleddau Close ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Feb 2023
EPC Rating
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Planning history
1 application on record at 12 Cleddau Close, St Mellons, Cardiff, CF3 0SG
- Aug 2017Garage ConversionFullOutcome in report
CHANGE OF USE OF GARAGE TO BEDROOM. WORKS TO INCLUDE FORMING CONNECTION TO EXISTING BUNGALOW.
- Documents
- 6 docs on file
- Reference
- 17/01698/DCH
Unlock 12 Cleddau Close, St Mellons, Cardiff, CF3 0SG's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
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- What the pattern means for extending or converting here
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Sales history & valuation
12 Cleddau Close has more than doubled in price since the earliest registered sale in 1995.
£250,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.9% per year over 10 years.
£140,000
Growth on file: 10.9% per year over 10 years.
Sales timeline
7 November 2005Most recent
£140,000
+180.3%over 9 years1 December 1995
£49,950
Median price across the last 5 sales in CF3 0SG: £274,000 (2021–2014).
Nearby sales in CF3 0SG
1 Cleddau Close, St Mellons, Cardiff, CF3 0SG
Sold Oct 2021
£420,0006 Cleddau Close, St Mellons, Cardiff, CF3 0SG
Sold Jun 2018
£274,0007 Cleddau Close, St Mellons, Cardiff, CF3 0SG
Sold May 2018
£295,0005 Cleddau Close, St Mellons, Cardiff, CF3 0SG
Sold Sept 2015
£188,00011 Cleddau Close, St Mellons, Cardiff, CF3 0SG
Sold Sept 2009
£125,000
Versus other Cleddau Close homes
Price per m² for 12 Cleddau Close lags the street by a wide margin.
Price per m²
£1,842
Street avg £2,581
Floor Area
76 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
0.9 t/year
Street avg 3.4 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sandbrook Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







