Llyswen, Cardiff Road, Creigiau, Cardiff, CF15 9NL
About Llyswen
Llyswen is a detached house in Creigiau, Cardiff, Cardiff (CF15 9NL). It has a recorded floor area of 289 m² (around 3111 sq ft) and construction records dating it to before 1900. The latest certificate (August 2016) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 69), a 2-band jump.
At 289 m² the property is well over the postcode median (183 m² across 28 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,031,000 is 23.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£268/sq ft) was about 22.6% above the typical sold price in the postcode. Sold September 2021 for £835,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Llyswen's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2026
EPC Rating
Certificate validity
Expired on 31 August 2026
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
2 applications on record at Llyswen, Cardiff Road, Creigiau, Cardiff, CF15 9NL
- Jul 2016TreesOutcome in report
One sycamore tree to be crown raised by 5 metres and prune back the secondary branches off the BT Cable
- Reference
- CREI/TP/16/00146
- More recent applications — locked
- ExtensionMay 2022Decision
Unlock Llyswen, Cardiff Road, Creigiau, Cardiff, CF15 9NL's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,031,000
Modelled from EPC, postcode comparables.
£835,000
Recorded with HM Land Registry.
Sales timeline
28 September 2021Most recent
£835,000
Median price across the last 5 sales in CF15 9NL: £820,000 (2025–2021).
Nearby sales in CF15 9NL
3 The Grove, Cardiff Road, Creigiau, Cardiff, CF15 9NL
Sold Apr 2025
£820,0002 The Grove, Cardiff Road, Creigiau, Cardiff, CF15 9NL
Sold Mar 2025
£820,0004 The Grove, Cardiff Road, Creigiau, Cardiff, CF15 9NL
Sold Dec 2024
£793,500The Meadows, Cardiff Road, Creigiau, Cardiff, CF15 9NL
Sold Jan 2023
£620,000Oaklands, Cardiff Road, Creigiau, Cardiff, CF15 9NL
Sold Sept 2021
£870,000
Versus other Cardiff Road homes
On co₂ emissions, Llyswen runs well behind the street norm.
Price per m²
£2,889
Street avg £2,542
Floor Area
289 m²
Street avg 203 m²
Habitable Rooms
10 rooms
Street avg 8 rooms
CO₂ Emissions
17.0 t/year
Street avg 6.8 t/year
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The neighbourhood at a glance
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Parc-y-Coed — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







