4 Duncan Close, St Mellons, Cardiff, CF3 1NP
About 4 Duncan Close
4 Duncan Close is a two-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NP). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (December 2018) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 90). Other recorded features include a conservatory.
Across 1998–2019, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £217,000 is 31.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 30.7% above the typical sold price in the postcode. Last sale on file: £165,000 in February 2019.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- ConservatoryYes
Outside
- DrivewayYes
Energy performance
EPC Rating
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Planning history
4 Duncan Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has grown by over 3x since 1998.
£217,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 20 years.
£165,000
Growth on file: 6.6% per year over 20 years.
Sales timeline
15 February 2019Most recent
£165,000
+273.3%over 20 years19 August 1998
£44,200
Median price across the last 5 sales in CF3 1NP: £245,000 (2025–2024).
Nearby sales in CF3 1NP
1 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Oct 2025
£240,0002 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Aug 2025
£250,00023 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Aug 2025
£245,00010 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Jul 2025
£265,00019 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Sept 2024
£212,500
Versus other Duncan Close homes
On epc rating, 4 Duncan Close stands well clear of the street.
Price per m²
£2,797
Street avg £2,826
Floor Area
59 m²
Street avg 66 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Ty Coch Court — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







