18 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
About 18 Garth Olwg
18 Garth Olwg is a three-bedroom mid-terrace house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HW). It has a recorded floor area of 91 m² (around 984 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2011) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). The latest certificate is from July 2011, so improvements made since then won't be reflected.
Across 2001–2012, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £281,000 sits 72.4% above the 2012 sale of £163,000. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 19.6% below the postcode norm. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). On the market in July 2012 and unlisted since — roughly 14 years.
What this property has
Inside
- Bedrooms3
Energy performance
18 Garth Olwg'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This certificate is over 10 years old and is no longer valid.Expired 30 Jul 2021
EPC Rating
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Planning history
18 Garth Olwg has 2 separate extension applications on the council record.
2 applications on record at 18 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
- Oct 2012ExtensionHeritageOutcome in report
Extension: Single storey · Rear of property
Proposed Single Storey Rear Extension, Internal Re-design and Terraced Area
- Documents
- 5 docs on file
- Reference
- 12/01814/DCH
- More recent applications — locked
- ExtensionDec 2012Decision
Unlock 18 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW'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- Every decision — granted, refused or withdrawn (2 on record)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 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Garth Olwg has more than doubled in price since the earliest registered sale in 2001.
£281,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 11 years.
£163,000
Growth on file: 6.8% per year over 11 years.
Sales timeline
1 July 2012Most recent
£163,000
+3.2%over 6 years2 December 2005
£158,000
+103.9%over 4 years28 February 2001
£77,500
Median price across the last 5 sales in CF15 9HW: £242,000 (2025–2023).
Nearby sales in CF15 9HW
8 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Jun 2025
£190,00019 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Oct 2024
£188,14015 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Oct 2023
£242,00030 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold May 2023
£300,00022 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Feb 2023
£325,000
Versus other Garth Olwg homes
On years held, 18 Garth Olwg stands well clear of the street.
Price per m²
£1,782
Street avg £2,587
Floor Area
91 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.3 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
Garth Olwg — bus stop.
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