17 Thomas Street, Llandeilo, SA19 6LB
About 17 Thomas Street
17 Thomas Street is a mid-terrace house in Llandeilo (SA19 6LB). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2021) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump.
At 131 m² it's 27.2% larger than the typical home in the postcode (103 m² median across 11 EPCs). Today's modelled estimate of £207,000 is 11.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 15.8% below the postcode norm. Most recent transfer: December 2021 at £185,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 17 Thomas 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
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
17 Thomas Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
17 Thomas Street has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 17 Thomas 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£207,000
Modelled from EPC, postcode comparables.
£185,000
Recorded with HM Land Registry.
Sales timeline
20 December 2021Most recent
£185,000
Median price across the last 5 sales in SA19 6LB: £195,000 (2024–2021).
Nearby sales in SA19 6LB
Everything we know about 17 Thomas 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 Thomas Street homes
Price per m² for 17 Thomas Street lags the street by a wide margin.
Price per m²
£1,412
Street avg £2,362
Floor Area
131 m²
Street avg 111 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
9.8 t/year
Street avg 7.2 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Llandeilo Rail Station — railway station.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.