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Get started23 Catherine Street is a three-bedroom mid-terrace house in Llanelli (SA15 2NY). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2023) shows a C (score 73). When first surveyed in July 2014 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 90).
Today's modelled estimate of £132,000 is 43.5% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 31% above the typical sold price in the postcode. Most recent transfer: May 2023 at £92,000.
23 Catherine Street valuation sits well clear of the typical sold price in this postcode.
£132,000
Modelled from EPC, postcode comparables.
£92,000
Recorded with HM Land Registry.
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On co₂ emissions, 23 Catherine Street stands well clear of the street.
Price per m²
£1,333
Street avg £1,113
Floor Area
69 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Post Office — bus stop.
Changes detected from historical EPC data
More low energy lighting installed
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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5 May 2023Most recent
£92,000
Median price across the last 5 sales in SA15 2NY: £102,000 (2025–2021).
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Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.6 t/year
SA15 2BB