4 Blethin Close, Cardiff, CF5 2RR
About 4 Blethin Close
4 Blethin Close is a four-bedroom semi-detached house in Cardiff (CF5 2RR). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (April 2024) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
At 85 m² the property is well over the postcode median (64 m² across 33 EPCs), placing it in the larger end of the local stock. Across 1997–2014, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £326,000 sits 86.3% above the 2014 sale of £175,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in January 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting 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
4 Blethin Close has been extended on multiple sides of the property across separate planning applications.
2 applications on record at 4 Blethin Close, Cardiff, CF5 2RR
- Oct 2019ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
SINGLE STOREY SIDE AND REAR EXTENSION
- Documents
- 4 docs on file
- Reference
- 19/02534/DCH
- More recent applications — locked
- ExtensionAug 2020Decision
Unlock 4 Blethin Close, Cardiff, CF5 2RR'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- Every decision — granted, refused or withdrawn (2 on record)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 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
4 Blethin Close has more than doubled in price since the earliest registered sale in 1997.
£326,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 16 years.
£175,000
Growth on file: 6.5% per year over 16 years.
Sales timeline
24 January 2014Most recent
£175,000
+177.8%over 16 years23 September 1997
£63,000
Median price across the last 5 sales in CF5 2RR: £274,000 (2025–2023).
Versus other Blethin Close homes
Price per m²
£2,059
Street avg £2,616
Floor Area
85 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blethin Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







