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 £276,000 sits 69.3% above the 2012 sale of £163,000. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 19.1% 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This certificate is over 10 years old and is no longer valid.Expired 30 Jul 2021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
Certificate validity
Expired on 30 July 2021
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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- Every decision — granted, refused or withdrawn (2 on record)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.
£276,000
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
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Garth Olwg — bus stop.
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