12 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
About 12 Allt Y Wennol
12 Allt Y Wennol is a detached house in Pontprennau, Cardiff, Cardiff (CF23 8AS). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (February 2020) shows a C (score 70). The rating has held steady at C across 2 certificates since September 2016. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 82).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2003–2017, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £437,000 is 46.6% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£231/sq ft) was about 21.3% above the typical sold price in the postcode. On the market in April 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Open-plan layoutYes
- Dining roomYes
- StudyYes
Outside
- Private gardenRear
- ParkingOff road
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
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Planning history
12 Allt Y Wennol has 2 separate extension applications on the council record.
2 applications on record at 12 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
- Oct 2017ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
REAR GROUND FLOOR EXTENSIONS 4000MM OR LESS DEPTH FROM ORIGINAL MAIN HOUSE AND ANNEX WALLS(THE PROPOSED NEW FOOT PRINT WILL OCCUPY LESS THAN 50%OF THE GARDEN AREA)
- Documents
- 7 docs on file
- Reference
- 17/02026/DCH
- More recent applications — locked
- ExtensionAug 2020Decision
Unlock 12 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS'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- Every decision — granted, refused or withdrawn (2 on record)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 1 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 12 Allt Y Wennol was the highest on Land Registry record across the postcode.
£437,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 14 years.
£298,000
Growth on file: 4.4% per year over 14 years.
Sales timeline
26 April 2017Most recent
£298,000
+41.9%over 12 years26 August 2004
£209,950
+29.6%over 1 year17 January 2003
£161,995
Median price across the last 5 sales in CF23 8AS: £244,000 (2018–2012).
Nearby sales in CF23 8AS
4 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Jun 2018
£295,0008 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Mar 2016
£235,0003 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Jul 2015
£275,0009 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Sept 2012
£244,0001 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Aug 2007
£248,250
Versus other Allt Y Wennol homes
Price per m² for 12 Allt Y Wennol runs comfortably ahead of the street norm.
Price per m²
£2,483
Street avg £2,277
Floor Area
120 m²
Street avg 113 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.5 t/year
Similar properties nearby
1 Clos Nant Y Cwm, Pontprennau
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1 Allt Y Wennol, Pontprennau
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1 Capel Edeyrn, Pontprennau
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1 Chamomile Close, Pontprennau
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1 Acorn Grove, Pontprennau
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1 Clos Nant Mwlan, Pontprennau
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1 Ambergate Drive, Pontprennau
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1 Blackberry Way, 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
0.2 km
Clos Cwm Du — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







