12 Deepdene Close, Cardiff, CF5 4SB
About 12 Deepdene Close
12 Deepdene Close is a detached house in Cardiff (CF5 4SB). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (July 2016) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since January 2011. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Average and main heating went from Average to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
Most recent transfer was April 2025 at £305,000 — fresh data. Across the public record there are 6 sales, relatively high churn for a single property. Across 2001–2025, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£305/sq ft) was about 81.7% above the typical sold price in the postcode.
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This certificate is over 10 years old and is no longer valid.Expired 20 Jul 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Window efficiency improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Get a survey for this property
Level 3 Building Survey
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
12 Deepdene Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
12 Deepdene Close has more than doubled in price since the earliest registered sale in 2001.
£323,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 24 years.
£305,000
Growth on file: 4.6% per year over 24 years.
Sales timeline
10 April 2025Most recent
£305,000
+15.1%17 October 2024
£265,000
-19.7%over 3 years1 August 2021
£330,000
+97.6%over 8 years20 December 2012
£167,000
-13.9%over 8 years5 August 2004
£194,000
+86.5%over 3 years11 April 2001
£104,000
Median price across the last 5 sales in CF5 4SB: £290,000 (2024–2018).
Nearby sales in CF5 4SB
Versus other Deepdene Close homes
Price per m² for 12 Deepdene Close runs comfortably ahead of the street norm.
Price per m²
£3,280
Street avg £2,306
Floor Area
93 m²
Street avg 104 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Deepwood Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







