26 Llys Dewi, Creigiau, Cardiff, CF15 9JY
About 26 Llys Dewi
26 Llys Dewi is an end-of-terrace house in Creigiau, Cardiff, Cardiff (CF15 9JY). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (September 2025) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since July 2015. Between certificates, lighting went from Average to Very Good.
Across 2016–2022, sale prices on this property compounded at 4% per year. Today's modelled estimate of £235,000 is 27.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£311/sq ft) was about 45.2% above the typical sold price in the postcode. Most recent transfer: August 2022 at £184,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
26 Llys Dewi has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
26 Llys Dewi saw 3 transfers in just over a decade — high turnover for the postcode.
£235,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 6 years.
£184,000
Growth on file: 4.0% per year over 6 years.
Sales timeline
15 August 2022Most recent
£184,000
+22.7%over 5 years18 May 2017
£150,000
+5.3%over 1 year24 February 2016
£142,500
Median price across the last 5 sales in CF15 9JY: £195,000 (2025–2022).
Nearby sales in CF15 9JY
16 Llys Dewi, Creigiau, Cardiff, CF15 9JY
Sold Jan 2025
£235,00017 Llys Dewi, Creigiau, Cardiff, CF15 9JY
Sold Dec 2024
£187,50029 Llys Dewi, Creigiau, Cardiff, CF15 9JY
Sold May 2024
£258,00018 Llys Dewi, Creigiau, Cardiff, CF15 9JY
Sold Dec 2022
£185,00022 Llys Dewi, Creigiau, Cardiff, CF15 9JY
Sold Sept 2022
£195,000
Versus other Llys Dewi homes
26 Llys Dewi outperforms the street on co₂ emissions by a wide margin.
Price per m²
£3,345
Street avg £2,906
Floor Area
55 m²
Street avg 59 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.8 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
Llys Gwynno — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







