7 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
About 7 Clos Nant Ddu
7 Clos Nant Ddu is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LF). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (May 2013) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2013. Between certificates, window efficiency went from Average to Good and lighting went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from May 2013, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
At 102 m² the property is well over the postcode median (55 m² across 15 EPCs), placing it in the larger end of the local stock. Across 2013–2019, sale prices on this property compounded at 5% per year. Today's modelled estimate of £349,000 is 30.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 41.2% above the typical sold price in the postcode. Most recent transfer: February 2019 at £267,500.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
- GarageIntegral
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 May 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
7 Clos Nant Ddu has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
7 Clos Nant Ddu valuation sits well clear of the typical sold price in this postcode.
£349,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 5 years.
£267,500
Growth on file: 5.0% per year over 5 years.
Sales timeline
18 February 2019Most recent
£267,500
+30.2%over 5 years19 September 2013
£205,500
Median price across the last 5 sales in CF23 8LF: £200,000 (2025–2019).
Nearby sales in CF23 8LF
15 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Oct 2025
£390,00030 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Oct 2024
£200,00020 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Mar 2023
£215,00016 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Apr 2019
£162,00036 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Mar 2019
£168,500
Versus other Clos Nant Ddu homes
7 Clos Nant Ddu is notably below the street on co₂ emissions.
Price per m²
£2,623
Street avg £2,843
Floor Area
102 m²
Street avg 71 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.6 t/year
Similar properties nearby
1 Clos Alyn, Pontprennau
CF23 8LB
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Amblecote Close, Pontprennau
CF23 8BY
1 Amber Close, Pontprennau
CF23 8AW
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Blackberry Way, Pontprennau
CF23 8FE
1 Clos Nant Mwlan, Pontprennau
CF23 8NA
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Pontprennau Community Centre — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







