12 High Street, Llanelli, SA15 2RE
About 12 High Street
12 High Street is a mid-terrace house in Llanelli (SA15 2RE). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2024) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2009. Between certificates, roof efficiency went from Very Poor to Very Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
Held since October 2006 — that's 20 years off the open market, well above the local norm. Across 1995–2006, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £137,000 sits 63.1% above the 2006 sale of £84,000. On a £-per-square-foot basis, the last sale (£99/sq ft) was about 42.2% above the typical sold price in the postcode.
Know exactly what you're buying at 12 High Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
12 High Street has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 12 High Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
Sale price has at least doubled since 1995.
£137,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 11 years.
£84,000
Growth on file: 8.9% per year over 11 years.
Sales timeline
5 October 2006Most recent
£84,000
+150.7%over 10 years8 December 1995
£33,500
Median price across the last 5 sales in SA15 2RE: £96,000 (2025–2024).
Everything we know about 12 High Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other High Street homes
12 High Street outperforms the street on years held by a wide margin.
Price per m²
£1,063
Street avg £1,031
Floor Area
79 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.9 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
High Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.