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Get started1 Christopher Street is an end-of-terrace house in Llanelli (SA15 1DF). It has a recorded floor area of 145 m² (around 1561 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2019) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Average to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced England HPI: 1.4% per year against 0% for the wider region. Today's modelled estimate of £168,000 is 40% above the 2025 sale price. At 145 m² the property is well over the postcode median (93 m² across 22 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold April 2025 for £120,000.
1 Christopher Street's carbon output runs well above what efficient homes in the postcode produce.
Latest sale on 1 Christopher Street was the highest on Land Registry record across the postcode.
£168,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 21 years.
£120,000
Growth on file: 1.4% per year over 21 years.
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Detailed AI analysis
Years Held for 1 Christopher Street lags the street by a wide margin.
Price per m²
£828
Street avg £886
Floor Area
145 m²
Street avg 95 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Talbot Street — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Roof insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
29 April 2025Most recent
£120,000
+61.1%over 9 years21 January 2016
£74,500
-17.2%over 11 years20 August 2004
£89,995
Median price across the last 5 sales in SA15 1DF: £83,500 (2024–2021).
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Street avg 5 rooms
CO₂ Emissions
7.6 t/year
Street avg 4.7 t/year