7 Alltmawr Road, Cardiff, CF23 6NQ
About 7 Alltmawr Road
7 Alltmawr Road is a six-bedroom detached house in Cardiff (CF23 6NQ). It has a recorded floor area of 286 m² (around 3078 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (September 2024) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2012); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average and lighting went from Good to Very Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77).
Untraded for 19 years, with the last transfer in September 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 286 m² the property is well over the postcode median (191 m² across 11 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Across 1997–2007, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £949,000 sits 97.7% above the 2007 sale of £480,000. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 39% below the postcode norm.
What this property has
Inside
- Bedrooms6
- Bathrooms5
- CloakroomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- RefurbishedYes
Energy performance
7 Alltmawr Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Hot water system changed
More low energy lighting installed
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Planning history
7 Alltmawr Road has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
7 Alltmawr Road has more than tripled in price since its earliest registered sale in 1997.
£949,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.3% per year over 10 years.
£480,000
Growth on file: 11.3% per year over 10 years.
Sales timeline
6 September 2007Most recent
£480,000
+200.0%over 10 years22 May 1997
£160,000
Median price across the last 5 sales in CF23 6NQ: £745,000 (2024–2020).
Nearby sales in CF23 6NQ
Versus other Alltmawr Road homes
7 Alltmawr Road is notably below the street on price per m².
Price per m²
£1,678
Street avg £3,675
Floor Area
286 m²
Street avg 192 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 7.7 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Llangorse Rd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







