23 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
About 23 Trem Y Coed
23 Trem Y Coed is a four-bedroom detached house in St. Fagans, Cardiff, Cardiff (CF5 6FA). It has a recorded floor area of 135 m² (around 1453 sq ft). The latest certificate (September 2016) returns a high B (score 85), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 92). Records show the property has been extended at some point in its history.
At 135 m² the property is well over the postcode median (92 m² across 43 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold April 2025 for £525,000. One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. Across 2017–2025, sale prices on this property compounded at 4.3% per year. On a £-per-square-foot basis, the last sale (£361/sq ft) was about 26.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Building
- Previously extendedYes
Energy performance
EPC Rating
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Planning history
23 Trem Y Coed has an approved single-storey rear extension on the planning record.
1 application on record at 23 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
- Jun 2020ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Documents
- 11 docs on file
- Reference
- 20/00470/DCH
Unlock 23 Trem Y Coed, St Fagans, Cardiff, CF5 6FA's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Trem Y Coed valuation sits well clear of the typical sold price in this postcode.
£564,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 8 years.
£525,000
Growth on file: 4.3% per year over 8 years.
Sales timeline
24 April 2025Most recent
£525,000
+40.0%over 8 years12 April 2017
£374,995
Median price across the last 5 sales in CF5 6FA: £245,000 (2024–2022).
Nearby sales in CF5 6FA
65 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
Sold Oct 2024
£245,00055 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
Sold Feb 2024
£246,50063 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
Sold Dec 2023
£215,00053 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
Sold Jan 2023
£215,00059 Trem Y Coed, St Fagans, Cardiff, CF5 6FA
Sold Aug 2022
£362,500
Versus other Trem Y Coed homes
Years Held for 23 Trem Y Coed lags the street by a wide margin.
Price per m²
£3,889
Street avg £3,106
Floor Area
135 m²
Street avg 98 m²
CO₂ Emissions
1.8 t/year
Street avg 1.4 t/year
Years Held
1 years
Street avg 7 years
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Deepwood Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







