Llanfair Fach Farm, St Y Nyll Lane, Capel Llanilltern, Cardiff, CF5 6HF
About Llanfair Fach Farm
Llanfair Fach Farm is a detached house in Capel Llanilltern, Cardiff, Cardiff (CF5 6HF). It has a recorded floor area of 263 m² (around 2831 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (July 2016) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in February 2016 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Good to Very Good and lighting went from Good to Very Good. The recommended improvements would push it to C (score 73). Main heating runs on oil.
At 263 m² the property is well over the postcode median (176 m² across 5 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 4 planning records sit against the property, 2 approved, 0 refused.
Energy performance
Llanfair Fach Farm ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
4 applications on record at Llanfair Fach Farm, St Y Nyll Lane, Capel Llanilltern, Cardiff, CF5 6HF
- Aug 2017ConversionFullOutcome in report
PROPOSED EXTENSION AND ALTERATIONS TO CONVERT EXISTING BARN STRUCTURE TO FORM A TWO BEDROOM DWELLING
- Documents
- 17 docs on file
- Reference
- 17/00091/MNR
- More recent applications — locked
- ConditionsOct 2018Decision
- ConditionsOct 2018Decision
+ 1 more application in the report
Unlock Llanfair Fach Farm, St Y Nyll Lane, Capel Llanilltern, Cardiff, CF5 6HF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 1 notable nearby
- The 56 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Llanfair Fach Farm has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£829,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF5 6HF: £360,000 (2025–1999).
Versus other St Y Nyll Lane homes
On epc rating, Llanfair Fach Farm stands well clear of the street.
EPC Rating
60 (D)
Street avg 32 (F)
Floor Area
263 m²
Street avg 157 m²
CO₂ Emissions
9.2 t/year
Street avg 9.6 t/year
Habitable Rooms
9 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.7 km
Broadlands — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







