12 Llys Dewi, Creigiau, Cardiff, CF15 9JY
About 12 Llys Dewi
12 Llys Dewi is a three-bedroom mid-terrace house in Creigiau, Cardiff, Cardiff (CF15 9JY). It has a recorded floor area of 68 m² (around 734 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (June 2011) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from June 2011, so improvements made since then won't be reflected.
Across 1998–2012, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £256,000 sits 65.2% above the 2012 sale of £155,000. At 68 m² it's 21.8% larger than the typical home in the postcode (56 m² median across 25 EPCs). Last changed hands 14 years ago, in May 2012.
What this property has
Inside
- Bedrooms3
Energy performance
12 Llys Dewi'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This certificate is over 10 years old and is no longer valid.Expired 16 Jun 2021
EPC Rating
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Planning history
12 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
Sale price has at least doubled since 1998.
£256,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 14 years.
£155,000
Growth on file: 7.3% per year over 14 years.
Sales timeline
7 May 2012Most recent
£155,000
+170.7%over 14 years16 February 1998
£57,250
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
Floor Area for 12 Llys Dewi runs comfortably ahead of the street norm.
Price per m²
£2,273
Street avg £2,950
Floor Area
68 m²
Street avg 59 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.7 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.







