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Get started6 Gelli Road is a semi-detached house in Llanharry, Pontyclun, Pontyclun (CF72 9JA). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2025) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2013); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
6 Gelli Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
6 Gelli Road has 2 separate extension applications on the council record.
6 Gelli Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£220,000
Modelled from EPC, postcode comparables.
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.
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Detailed AI analysis
6 Gelli Road is notably below the street on epc rating.
EPC Rating
52 (E)
Street avg 66 (D)
Floor Area
94 m²
Street avg 99 m²
CO₂ Emissions
4.8 t/year
Street avg 3.7 t/year
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Tylacoch — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Single storey extension to be built on from existing conservatory to rear to house a padded safe room.
Extension: Single storey · Rear of property
Single storey extension to be built on from existing conservatory to rear to house a padded safe room.
Median price across the last 5 sales in CF72 9JA: £203,500 (2025–2023).
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Habitable Rooms
5 rooms
Street avg 5 rooms