Model valuation£417,0008 Busby Close
Local market context
4 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
4 sales on record
Property type
Detached
Habitable rooms
5
From EPC
Floor area
87 m²
936 sq ft
Energy rating
C
Score 72
Council tax
Band E
Tenure
Owner Occupied
About 4 Allt Y Wennol
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4 Allt Y Wennol is a detached house in Pontprennau, Cardiff, Cardiff (CF23 8AS). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (June 2026) shows a C (score 72). When first surveyed in October 2010 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
8 years since the last transfer (June 2018). Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2018, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £394,000 is 33.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 79.2% above the typical sold price in the postcode. At 87 m² it's 28.1% smaller than the typical home in the postcode (121 m² median across 6 EPCs).
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Everything you need to know about 4 Allt Y Wennol
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Jun 2026
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.4 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 26 June 2036
Property Improvements
Changes detected from historical EPC data
Jun 2026from Oct 2010
EPC improved fromD67toC72
Floor Insulation
PartialInsulated
Floor insulation added or improved
Low Energy Lighting
26%100%
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
21st centuryDetached HouseEPC CExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
Applications and permits filed against 4 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS, sourced from the PlanIt planning register.
4 Allt Y Wennol has no planning applications on record.
1
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
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has at least doubled since 2002.
Current estimate
See how we calculated this£394,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 16 years.
Last sold (2018)
£295,000
Growth on file: 4.6% per year over 16 years.
Sales timeline
7 June 2018Most recent
£295,000
+22.9%over 3 years30 July 2014
£239,950
+14.3%over 7 years26 October 2006
£210,000
+45.8%over 4 years29 April 2002
£143,995
Median price across the last 5 sales in CF23 8AS: £275,000 (2026–2012).
Nearby sales in CF23 8AS
10 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Mar 2026
£535,00012 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Apr 2017
£298,0008 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
£244,000
Versus other Allt Y Wennol homes
Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.
On floor area, 4 Allt Y Wennol runs well behind the street norm.
Price per m²
£3,391
Street avg £2,489
Floor Area
87 m²
Street avg 120 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.5 t/year
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£401k
1 Chamomile Close, Pontprennau
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1 Clos Nant Mwlan, Pontprennau
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1 Blackberry Way, Pontprennau
CF23 8FE
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1 Clos Nant Y Cwm, Pontprennau
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4 bed2 bath
£363k
1 Clos Dol Heulog, Pontprennau
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3 bed
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1 Capel Edeyrn, Pontprennau
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£327k
1 Amberwood Close, Pontprennau
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3 bed
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Crime
169/mo
Falling 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.
Common questions
The questions buyers, sellers and homeowners most often ask about 4 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS. Each answer is also embedded as structured data for search engines.