Model valuation£417,0008 Busby Close
Local market context
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).
The EPC has just been inspected, so the rating reflects current condition.
Certificate validity
Valid until 26 June 2036
Changes detected from historical EPC data
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
4 Allt Y Wennol 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.
Sale price has at least doubled since 2002.
£394,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 16 years.
£295,000
Growth on file: 4.6% per year over 16 years.
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).
10 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Mar 2026
12 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Apr 2017
8 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Mar 2016
3 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Jul 2015
9 Allt Y Wennol, Pontprennau, Cardiff, CF23 8AS
Sold Sept 2012
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
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchCF23 8RE
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CF23 8FE
CF23 8LG
CF23 8AT
CF23 8XJ
CF23 8BZ
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.