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Get started21 Carrick Avenue is a detached house in Llanelli (SA15 3JZ). It has a recorded floor area of 136 m² (around 1469 sq ft) and construction records dating it to 1930-1949. The latest certificate (August 2009) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from August 2009, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. At 136 m² it's 21.3% larger than the typical home in the postcode (113 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
21 Carrick Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 27 Aug 2019
Council records include a part-single-part-two-storey side extension at 21 Carrick Avenue.
Extension: Part single, part two storey · Side of property
PROPOSED TWO STOREY AND SINGLE STOREY SIDE EXTENSION TO PROVIDE GROUND FLOOR KITCHEN, DINING ROOM AND INTEGRAL GARAGE AND TWO FIRST FLOOR BEDROOMS
21 Carrick Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£230,000
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
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On habitable rooms, 21 Carrick Avenue stands well clear of the street.
EPC Rating
42 (E)
Street avg 60 (D)
Floor Area
136 m²
Street avg 114 m²
CO₂ Emissions
9.6 t/year
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Pentrepoeth Road Upper — bus stop.
Median price across the last 5 sales in SA15 3JZ: £205,000 (2025–2018).
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Street avg 5.4 t/year
Habitable Rooms
8 rooms
Street avg 5 rooms