14 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
About 14 Llwyn Mallt
14 Llwyn Mallt is a four-bedroom detached house in Tongwynlais, Cardiff, Cardiff (CF15 7HW). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (April 2019) shows a C (score 69), just inside the C band. When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2000–2019, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £427,000 is 42.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 64% above the typical sold price in the postcode. Most recent transfer: November 2019 at £300,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Heating controls upgraded for better temperature management
Cavity wall insulation installed
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Planning history
14 Llwyn Mallt 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
14 Llwyn Mallt has more than tripled in price since its earliest registered sale in 2000.
£427,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 19 years.
£300,000
Growth on file: 6.1% per year over 19 years.
Sales timeline
1 November 2019Most recent
£300,000
+25.0%over 4 years4 May 2015
£240,000
+152.6%over 14 years20 July 2000
£95,000
Median price across the last 5 sales in CF15 7HW: £322,000 (2022–2015).
Nearby sales in CF15 7HW
20 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Dec 2022
£405,0001 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Dec 2021
£352,9959 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Mar 2021
£322,00016 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Mar 2015
£269,95012 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Oct 2014
£237,000
Versus other Llwyn Mallt homes
14 Llwyn Mallt outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,804
Street avg £2,156
Floor Area
107 m²
Street avg 117 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
3.3 t/year
Street avg 5.1 t/year
Similar properties nearby
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CF15 7AT
1 Bute Villa, Taffs Well
CF15 7QP
1 Cwm Gwynlais, Tongwynlais
CF15 7HU
1 Beechwood Road, Taffs Well
CF15 7RZ
1 Birch Hill, Tongwynlais
CF15 7LL
1 Cules Terrace, Taffs Well
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1 Forest Cottage, Castle Road, Tongwynlais
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1 Bute Street, Tongwynlais
CF15 7LJ
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cwm Gwynlais — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







