8 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
About 8 Melville Avenue
8 Melville Avenue is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5TZ). It has a recorded floor area of 349 m² (around 3757 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (October 2017) returns an A (score 95), the top energy band on the EPC scale. When first surveyed in July 2009 the rating was D, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Poor to Good and window efficiency went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
At 349 m² the property is well over the postcode median (166 m² across 14 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £753,000 sits 151% above the 2011 sale of £300,000. On a £-per-square-foot basis, the last sale (£80/sq ft) was about 55% below the postcode norm. On the market in September 2011 and unlisted since — roughly 15 years. 7 planning records sit against the property, 4 approved, 2 refused.
Energy performance
8 Melville Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
High performance glazing installed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
7 applications on record at 8 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
- Feb 2012TreesOutcome in report
(no description)
- Reference
- STME/TP/12/00021
- More recent applications — locked
- TreesSept 2021Decision
- ConditionsJan 2017Decision
+ 4 more applications in the report
Unlock 8 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (7 on record)
- All 7 applications on this property in full
- The 48 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
8 Melville Avenue valuation sits well clear of the typical sold price in this postcode.
£753,000
Modelled from EPC, postcode comparables.
£300,000
Recorded with HM Land Registry.
Sales timeline
22 September 2011Most recent
£300,000
Median price across the last 5 sales in CF3 5TZ: £400,000 (2022–2015).
Nearby sales in CF3 5TZ
12 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
Sold Nov 2022
£480,00020 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
Sold Aug 2022
£400,00015 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
Sold Dec 2020
£360,00029 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
Sold Jan 2018
£300,0006 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ
Sold Aug 2015
£405,000
Versus other Melville Avenue homes
On price per m², 8 Melville Avenue runs well behind the street norm.
Price per m²
£860
Street avg £2,064
Floor Area
349 m²
Street avg 187 m²
CO₂ Emissions
1.5 t/year
Street avg 6.1 t/year
Years Held
15 years
Street avg 11 years
Similar properties nearby
1 Courtenay Close, Old St Mellons
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1 Clos Hendre Gadno, Old St Mellons
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1 Chapel Row Lane, Old St Mellons
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1 Chapel Row, Old St Mellons
CF3 5UB
1 Brendon Close, Llanrumney
CF3 5RJ
1 Axbridge Crescent, Llanrumney
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1 Captain S View, Braunton Crescent, Llanrumney
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1 Blackbirds Way, 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
Wern Fawr Lane — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







