20 Melrose Avenue, Penylan, Cardiff, CF23 9AR
About 20 Melrose Avenue
20 Melrose Avenue is a three-bedroom mid-terrace house in Penylan, Cardiff, Cardiff (CF23 9AR). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (July 2025) shows a C (score 73).
A recent sale: £510,000 in September 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 1997–2025, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£359/sq ft) was about 81.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenYes
- GarageEn bloc
Energy performance
EPC Rating
Certificate validity
Valid until 2 July 2035
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Planning history
20 Melrose Avenue has an approved single-storey rear extension on the planning record.
2 applications on record at 20 Melrose Avenue, Penylan, Cardiff, CF23 9AR
- Sept 2017ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Documents
- 4 docs on file
- Reference
- 17/01799/DCH
- More recent applications — locked
- RenovationApr 2018Decision
Unlock 20 Melrose Avenue, Penylan, Cardiff, CF23 9AR'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- Every decision — granted, refused or withdrawn (2 on record)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, plus 2 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 20 Melrose Avenue has grown more than fourfold since the 1997 starting point.
£520,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 28 years.
£510,000
Growth on file: 7.0% per year over 28 years.
Sales timeline
25 September 2025Most recent
£510,000
+82.1%over 17 years5 June 2008
£280,000
+53.4%over 5 years28 July 2002
£182,500
+144.1%over 5 years29 April 1997
£74,750
Median price across the last 5 sales in CF23 9AR: £475,000 (2026–2024).
Nearby sales in CF23 9AR
47 Melrose Avenue, Penylan, Cardiff, CF23 9AR
Sold May 2026
£580,00040 Melrose Avenue, Penylan, Cardiff, CF23 9AR
Sold Dec 2025
£477,0006 Melrose Avenue, Penylan, Cardiff, CF23 9AR
Sold Jul 2025
£475,00016 Melrose Avenue, Penylan, Cardiff, CF23 9AR
Sold Jan 2025
£395,0005 Melrose Avenue, Penylan, Cardiff, CF23 9AR
Sold Apr 2024
£435,000
Versus other Melrose Avenue homes
On co₂ emissions, 20 Melrose Avenue stands well clear of the street.
Price per m²
£3,864
Street avg £2,743
Floor Area
132 m²
Street avg 130 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.8 t/year
Street avg 5.6 t/year
Similar properties nearby
1 Hugon Close
CF23 9BY
1 Firstbrook Close
CF23 9ER
1 Kingwood Close, Penylan
CF23 9HE
1 Earl S Court Road, Penylan
CF23 9DD
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Clos Gwrgi, Penylan
CF23 9FQ
1 Barons Court Road, Penylan
CF23 9DF
1 Colchester Avenue, Penylan
CF23 9BN
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Waterloo Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







