30 Aston Place, St Mellons, Cardiff, CF3 0PH
About 30 Aston Place
30 Aston Place is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0PH). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2025) shows a C (score 70). When first surveyed in May 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. The home occupies a cul-de-sac position.
Most recent transfer was September 2025 at £285,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: a garage conversion approved in 2009. Past consents include a garage conversion, meaningful when judging how the property has evolved. At 92 m² it's 27.8% larger than the typical home in the postcode (72 m² median across 31 EPCs). Across 2002–2025, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£288/sq ft) was about 77.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- DrivewayYes
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
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Planning history
1 application on record at 30 Aston Place, St Mellons, Cardiff, CF3 0PH
- Aug 2009Garage ConversionFullOutcome in report
CONVERSION OF GARAGE INTO HABITABLE ROOM AND ALTERATIONS TO FRONT ELEVATION.
- Documents
- 3 docs on file
- Reference
- 09/01182/E
Unlock 30 Aston Place, St Mellons, Cardiff, CF3 0PH'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- Every decision — granted, refused or withdrawn (1 on record)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 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
30 Aston Place has more than doubled in price since the earliest registered sale in 2002.
£281,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 23 years.
£285,000
Growth on file: 4.6% per year over 23 years.
Sales timeline
18 September 2025Most recent
£285,000
+96.6%over 14 years21 October 2010
£145,000
-2.4%over 3 years21 December 2006
£148,500
+47.0%over 4 years15 September 2002
£101,000
Median price across the last 5 sales in CF3 0PH: £215,000 (2024–2022).
Nearby sales in CF3 0PH
42 Aston Place, St Mellons, Cardiff, CF3 0PH
Sold Dec 2024
£190,00026 Aston Place, St Mellons, Cardiff, CF3 0PH
Sold Nov 2024
£202,5008 Aston Place, St Mellons, Cardiff, CF3 0PH
Sold Jul 2024
£315,0006 Aston Place, St Mellons, Cardiff, CF3 0PH
Sold Apr 2024
£215,00028 Aston Place, St Mellons, Cardiff, CF3 0PH
Sold Nov 2022
£270,000
Versus other Aston Place homes
Years Held for 30 Aston Place lags the street by a wide margin.
Price per m²
£3,098
Street avg £2,266
Floor Area
92 m²
Street avg 74 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.7 t/year
Similar properties nearby
1 Brython Drive, St Mellons
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1 Aston Place, St Mellons
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1 Aster Close, St Mellons
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1 Chartley Close, St Mellons
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1 Ashdown Close, St Mellons
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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
0.2 km
Matthysens Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







