16 Alltmawr Road, Cardiff, CF23 6NQ
About 16 Alltmawr Road
16 Alltmawr Road is a three-bedroom detached house in Cardiff (CF23 6NQ). It has a recorded floor area of 243 m² (around 2616 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (November 2023) shows a C (score 71). When first surveyed in August 2018 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor.
4 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 243 m² it's 27.4% larger than the typical home in the postcode (191 m² median across 11 EPCs). Across 2020–2024, sale prices on this property compounded at 24.4% per year. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 70.3% above the typical sold price in the postcode. Sold July 2024 for £1,075,000.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Energy performance
16 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
Heating controls upgraded for better temperature management
Window efficiency improved
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
4 applications on record at 16 Alltmawr Road, Cardiff, CF23 6NQ
- Jul 2020FullOutcome in report
DEMOLITION OF EXISTING BUNGALOW & CONSTRUCTION OF NEW FIVE BEDROOM DWELLING
- Documents
- 12 docs on file
- Reference
- 20/00825/MNR
- More recent applications — locked
- ConditionsDec 2022Decision
- DemolitionJun 2021Decision
+ 1 more application in the report
Unlock 16 Alltmawr Road, Cardiff, CF23 6NQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 1 notable nearby
- The 41 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 16 Alltmawr Road was the highest on Land Registry record across the postcode.
£1,023,000
Modelled from EPC, postcode comparables and a sale-price growth of 24.4% per year over 4 years.
£1,075,000
Growth on file: 24.4% per year over 4 years.
Sales timeline
30 July 2024Most recent
£1,075,000
+163.8%over 4 years19 February 2020
£407,500
Median price across the last 5 sales in CF23 6NQ: £745,000 (2024–2016).
Nearby sales in CF23 6NQ
Versus other Alltmawr Road homes
Years Held for 16 Alltmawr Road lags the street by a wide margin.
Price per m²
£4,424
Street avg £3,400
Floor Area
243 m²
Street avg 196 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
6.9 t/year
Street avg 8.0 t/year
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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.







