19 St Mellons Road, Marshfield, Cardiff, CF3 2TX
About 19 St Mellons Road
19 St Mellons Road is a three-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2TX). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (December 2013) shows a C (score 70). The recommended improvements would push it to B (score 81). The latest certificate is from December 2013, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
At 149 m² the property is well over the postcode median (114 m² across 23 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2004. Past consents include an extension, meaningful when judging how the property has evolved. On the market in May 2018 and unlisted since — roughly 8 years. Across 1998–2018, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £517,000 is 41.3% above the 2018 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
Outside
- Private gardenFront and rear
- GarageDouble, Detached
Building
- Previously extendedYes
Energy performance
19 St Mellons Road'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This certificate is over 10 years old and is no longer valid.Expired 09 Dec 2023
EPC Rating
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Planning history
1 application on record at 19 St Mellons Road, Marshfield, Cardiff, CF3 2TX
- Jun 2004ExtensionFullOutcome in report
Extension: Single storey · Side of property
ERECTION OF SIDE EXTENSION AND CONVERSION OF ROOF SPACE INTO LIVING ACCOMMODATION INCLUDING THE INSTALLATION OF 2NO. DORMER WINDOWS
- Documents
- 2 docs on file
- Reference
- 04/0668
Unlock 19 St Mellons Road, Marshfield, Cardiff, CF3 2TX'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- Every decision — granted, refused or withdrawn (1 on record)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 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
19 St Mellons Road has more than doubled in price since the earliest registered sale in 1998.
£517,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 20 years.
£366,000
Growth on file: 5.6% per year over 20 years.
Sales timeline
10 May 2018Most recent
£366,000
+66.4%over 14 years5 February 2004
£220,000
+76.0%over 5 years9 August 1998
£125,000
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
Price per m²
£2,456
Street avg £2,566
Floor Area
149 m²
Street avg 141 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.4 t/year
Similar properties nearby
1 Channel View, Castleton
CF3 2UP
1 Cambrian Grove, Marshfield
CF3 2US
1 Blacktown Gardens, Marshfield
CF3 2SF
1 Cypress Crescent, St Mellons
CF3 2WL
1 Clos Elphan, St Mellons
CF3 2AE
1 Oakfields, Marshfield
CF3 2EZ
1 Clos Medwy, St Mellons
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1 Mallards Reach, Marshfield
CF3 2NN
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.







