20 High Street, Llanelli, SA15 2RE
About 20 High Street
20 High Street is a three-bedroom mid-terrace house in Llanelli (SA15 2RE). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2022) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Average and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1999–2024, sale prices on this property compounded at 6% per year. Today's modelled estimate of £154,000 is 10% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£146/sq ft) was about 104.4% above the typical sold price in the postcode. Most recent transfer: February 2024 at £139,995.
Know exactly what you're buying at 20 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
What this property has
Inside
- Bedrooms3
- CloakroomYes
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
20 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 20 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
30-day money-back guarantee
Sales history & valuation
20 High Street has more than quadrupled in price since its earliest registered sale in 1999.
£154,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 25 years.
£139,995
Growth on file: 6.0% per year over 25 years.
Sales timeline
19 February 2024Most recent
£139,995
+211.1%over 20 years26 February 2003
£45,000
+34.3%over 3 years10 June 1999
£33,500
Median price across the last 5 sales in SA15 2RE: £96,000 (2025–2023).
Everything we know about 20 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
Price per m² for 20 High Street runs comfortably ahead of the street norm.
Price per m²
£1,573
Street avg £988
Floor Area
89 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.8 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.