15 St Mellons Road, Marshfield, Cardiff, CF3 2TX
About 15 St Mellons Road
15 St Mellons Road is a detached house in Marshfield, Cardiff, Cardiff (CF3 2TX). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (February 2025) shows a C (score 71). The recommended improvements would push it to B (score 84).
Untraded for 18 years, with the last transfer in November 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. 5 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £571,000 is 34.4% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 51.8% above the typical sold price in the postcode.
Everything you need to know about 15 St Mellons Road
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EPC Rating
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Planning history
A a porch application was refused at 15 St Mellons Road in 2025.
5 applications on record at 15 St Mellons Road, Marshfield, Cardiff, CF3 2TX
1 live now- Jul 2003OutbuildingFullOutcome in report
ERECTION OF DETACHED DOUBLE GARAGE
- Documents
- 4 docs on file
- Reference
- 03/0767
- More recent applications — locked
- PorchMar 2026Decision
- PorchApr 2025Decision
+ 2 more applications in the report
Unlock 15 St Mellons Road, Marshfield, Cardiff, CF3 2TX's full planning history
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- Every decision — granted, refused or withdrawn (4 on record)
- All 5 applications on this property in full, plus 1 notable nearby
- The 47 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£571,000
Modelled from EPC, postcode comparables.
£425,000
Recorded with HM Land Registry.
Sales timeline
12 November 2008Most recent
£425,000
Median price across the last 5 sales in CF3 2TX: £507,500 (2025–2023).
Nearby sales in CF3 2TX
18 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Jul 2025
£295,00015a, St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold May 2025
£515,00023 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Nov 2024
£507,50021 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Jan 2024
£495,00025 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Aug 2023
£515,000
Versus other St Mellons Road homes
On price per m², 15 St Mellons Road stands well clear of the street.
Price per m²
£3,728
Street avg £2,491
Floor Area
114 m²
Street avg 142 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.4 t/year
Everything you need to know about 15 St Mellons Road
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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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
0.3 km
Oakfields — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






