16 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
About 16 Llwyn Mallt
16 Llwyn Mallt is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7HW). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (April 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from April 2012, so improvements made since then won't be reflected.
One planning application is currently pending a decision in 2025. Across 2003–2015, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £400,000 is 48.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 42.9% above the typical sold price in the postcode. On the market in March 2015 and unlisted since — roughly 11 years.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Apr 2022
EPC Rating
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Planning history
An application for a single-storey side extension is currently awaiting a decision.
1 application on record at 16 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
1 live now- Jun 2025ExtensionFullOutcome in report
Extension: Single storey · Side of property
First floor side extension
- Documents
- 6 docs on file
- Reference
- 25/01358/HSE
Unlock 16 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW's full planning history
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Sales history & valuation
16 Llwyn Mallt valuation sits well clear of the typical sold price in this postcode.
£400,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 11 years.
£269,950
Growth on file: 2.7% per year over 11 years.
Sales timeline
9 March 2015Most recent
£269,950
+35.0%over 11 years6 November 2003
£200,000
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
£300,00012 Llwyn Mallt, Tongwynlais, Cardiff, CF15 7HW
Sold Oct 2014
£237,000
Versus other Llwyn Mallt homes
Price per m²
£2,307
Street avg £2,206
Floor Area
117 m²
Street avg 116 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
5.1 t/year
Street avg 5.0 t/year
Similar properties nearby
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1 Cross Street, Tongwynlais
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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.







