23 Borage Close, Pontprennau, Cardiff, CF23 8SJ
About 23 Borage Close
23 Borage Close is a detached house in Pontprennau, Cardiff, Cardiff (CF23 8SJ). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (September 2013) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2013); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
Held since July 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1999–2007, sale prices on this property compounded at 12.6% per year. Today's modelled estimate of £339,000 sits 73.8% above the 2007 sale of £195,000.
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This certificate is over 10 years old and is no longer valid.Expired 05 Sept 2023
EPC Rating
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Planning history
23 Borage Close 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
Sale price has at least doubled since 1999.
£339,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.6% per year over 8 years.
£195,000
Growth on file: 12.6% per year over 8 years.
Sales timeline
12 July 2007Most recent
£195,000
+162.3%over 8 years3 June 1999
£74,350
Median price across the last 5 sales in CF23 8SJ: £415,000 (2025–2021).
Nearby sales in CF23 8SJ
12 Borage Close, Pontprennau, Cardiff, CF23 8SJ
Sold Apr 2025
£311,00029 Borage Close, Pontprennau, Cardiff, CF23 8SJ
Sold Feb 2025
£435,00018 Borage Close, Pontprennau, Cardiff, CF23 8SJ
Sold Dec 2023
£415,0009 Borage Close, Pontprennau, Cardiff, CF23 8SJ
Sold Dec 2023
£442,5006 Borage Close, Pontprennau, Cardiff, CF23 8SJ
Sold Dec 2021
£410,000
Versus other Borage Close homes
23 Borage Close is notably below the street on epc rating.
Price per m²
£2,120
Street avg £2,759
Floor Area
92 m²
Street avg 102 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Clos Alyn, Pontprennau
CF23 8LB
1 Clos Dol Heulog, Pontprennau
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1 Blackberry Way, Pontprennau
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1 Amberwood Close, Pontprennau
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1 Ambergate Drive, Pontprennau
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1 Charnwood Drive, Pontprennau
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1 Amblecote Close, Pontprennau
CF23 8BY
1 Clos Nant Mwlan, Pontprennau
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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
Ty Cerrig — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







