4 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
About 4 Cae Lewis
4 Cae Lewis is a semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LQ). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (October 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and main heating went from Average to Good; while lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 2011–2019, sale prices on this property compounded at 11.1% per year. Today's modelled estimate of £236,000 is 41.3% above the 2019 sale price. Most recent transfer: February 2019 at £167,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
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Planning history
4 Cae Lewis 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
4 Cae Lewis has more than doubled in price since the earliest registered sale in 2011.
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.1% per year over 8 years.
£167,000
Growth on file: 11.1% per year over 8 years.
Sales timeline
5 February 2019Most recent
£167,000
+16.8%over 5 years3 October 2013
£143,000
+90.7%over 2 years23 June 2011
£75,000
Median price across the last 5 sales in CF15 7LQ: £237,500 (2024–2017).
Nearby sales in CF15 7LQ
19 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
Sold Jun 2024
£330,0007 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
Sold Apr 2022
£220,00022 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
Sold Jul 2017
£136,0002 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
Sold May 2007
£160,00023 Cae Lewis, Tongwynlais, Cardiff, CF15 7LQ
Sold Aug 2004
£75,000
Versus other Cae Lewis homes
Price per m²
£2,609
Street avg £2,437
Floor Area
64 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.2 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Iron Bridge — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







