1 Alltmawr Road, Cardiff, CF23 6NQ
About 1 Alltmawr Road
1 Alltmawr Road is a detached house in Cardiff (CF23 6NQ). It has a recorded floor area of 191 m² (around 2054 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (March 2010) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from March 2010, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2000–2016, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £960,000 is 24.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£375/sq ft) was about 55.4% above the typical sold price in the postcode. Last sold in November 2016, so it's been off the market for around 10 years.
Everything you need to know about 1 Alltmawr Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
1 Alltmawr Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Mar 2020
EPC Rating
Certificate validity
Expired on 11 March 2020
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 £1,495 · Includes VAT
Planning history
1 Alltmawr Road has an approved side and rear extension on the planning record.
2 applications on record at 1 Alltmawr Road, Cardiff, CF23 6NQ
- May 2014ExtensionFullOutcome in report
Extension: Side and rear of property
REMOVAL OF EXISTING SINGLE STOREY SIDE AND REAR BUILDING, TWO STOREY SIDE AND REAR EXTENSION, SINGLE STOREY SIDE AND REAR EXTENSION, TWO STOREY REAR EXTENSION AND ALTERATIONS
- Documents
- 11 docs on file
- Reference
- 14/00630/DCH
- More recent applications — locked
- ExtensionFeb 2015Decision
Unlock 1 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 28 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Alltmawr Road has more than tripled in price since its earliest registered sale in 2000.
£960,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 16 years.
£770,000
Growth on file: 7.1% per year over 16 years.
Sales timeline
25 November 2016Most recent
£770,000
+208.0%over 16 years26 July 2000
£250,000
Median price across the last 5 sales in CF23 6NQ: £737,500 (2025–2022).
Nearby sales in CF23 6NQ
Versus other Alltmawr Road homes
1 Alltmawr Road is notably below the street on epc rating.
Price per m²
£4,036
Street avg £3,453
Floor Area
191 m²
Street avg 205 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
10.0 t/year
Street avg 7.5 t/year
Everything you need to know about 1 Alltmawr Road
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
169/mo
Falling 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.