15 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
About 15 Llwyn Mallt
15 Llwyn Mallt is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7HW). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (April 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from April 2012, so improvements made since then won't be reflected.
It hasn't traded since November 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £391,000 sits 243% above the 1999 sale of £114,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 46.4% below the postcode norm.
Energy performance
15 Llwyn Mallt's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Apr 2022
EPC Rating
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Planning history
15 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
15 Llwyn Mallt's estimated value is more than triple its earliest registered sale price (1999).
£391,000
Modelled from EPC, postcode comparables.
£114,000
Recorded with HM Land Registry.
Sales timeline
12 November 1999Most recent
£114,000
Median price across the last 5 sales in CF15 7HW: £322,000 (2022–2018).
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
£322,00014 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Nov 2019
£300,00016 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Mar 2015
£269,950
Versus other Llwyn Mallt homes
Price per m² for 15 Llwyn Mallt lags the street by a wide margin.
Price per m²
£919
Street avg £2,344
Floor Area
124 m²
Street avg 115 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 5.0 t/year
Similar properties nearby
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CF15 7JR
1 Brynau Road, Taffs Well
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1 Clos Llewellyn, Taffs Well
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1 Birch Hill, Tongwynlais
CF15 7LL
1 Cules Terrace, Taffs Well
CF15 7QJ
1 Cross Street, Tongwynlais
CF15 7NQ
1 Alfred Terrace, Taffs Well
CF15 7RJ
1 Bute Villa, Taffs Well
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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.







