9 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
About 9 Ruperra Close
9 Ruperra Close is a five-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6HX). It has a recorded floor area of 168 m² (around 1808 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (December 2023) shows a C (score 73). When first surveyed in June 2019 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good. The recommended improvements would push it to B (score 81).
One planning record on file: an extension approved in 2025. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Across 1996–2024, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 127% above the typical sold price in the postcode. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Sold March 2024 for £680,000.
What this property has
Inside
- Bedrooms5
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageDouble
Building
- Central heatingYes
Energy performance
EPC Rating
Certificate validity
Valid until 1 December 2033
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Planning history
1 application on record at 9 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
- Feb 2025PorchFullOutcome in report
Extension: Side and rear of property
Proposed two storey rear and side extension with disabled facilities, proposed front porch extension.
Extension- Documents
- 17 docs on file
- Reference
- 24/02881/HSE
Unlock 9 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 9 Ruperra Close has grown more than fourfold since the 1996 starting point.
£703,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 28 years.
£680,000
Growth on file: 5.8% per year over 28 years.
Sales timeline
18 March 2024Most recent
£680,000
+288.6%over 24 years27 May 1999
£175,000
+22.8%over 2 years18 July 1996
£142,500
Median price across the last 5 sales in CF3 6HX: £550,000 (2026–2018).
Nearby sales in CF3 6HX
20 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
Sold May 2026
£875,00018 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
Sold Nov 2025
£955,0006 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
Sold Jun 2024
£550,00011 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
Sold Mar 2020
£485,00012 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX
Sold Dec 2018
£545,000
Versus other Ruperra Close homes
On price per m², 9 Ruperra Close stands well clear of the street.
Price per m²
£4,048
Street avg £2,823
Floor Area
168 m²
Street avg 202 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.9 t/year
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Tyrwinch Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







