10 Thomas Street, Llandeilo, SA19 6LB
About 10 Thomas Street
10 Thomas Street is a four-bedroom semi-detached house in Llandeilo (SA19 6LB). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2017) shows a G (score 19), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 81), a 5-band jump. Main heating runs on electricity. Other recorded features include notable views and a basement.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £235,000 is 37.4% above the 2018 sale price. Last sale on file: £171,000 in July 2018.
Know exactly what you're buying at 10 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
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms1
- BasementYes
Outside
- Private gardenrear
- Garagesingle
- Notable viewsYes
Energy performance
10 Thomas Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
10 Thomas Street has an approved single-storey rear extension on the planning record.
- Jan 2019ExtensionFullIn report
Extension: Single storey · Rear of property
PROPOSED SINGLE STOREY BASEMENT EXTENSION TO REAR, PROVIDING A PARAPET BALCONY ACCESSED FORM THE GROUND FLOOR
- Documents
- 7 docs on file
- Reference
- E/38070
We flagged 1 thing worth checking at 10 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
30-day money-back guarantee
Sales history & valuation
10 Thomas Street valuation sits well clear of the typical sold price in this postcode.
£235,000
Modelled from EPC, postcode comparables.
£171,000
Recorded with HM Land Registry.
Sales timeline
26 July 2018Most recent
£171,000
Median price across the last 5 sales in SA19 6LB: £190,000 (2024–2021).
Nearby sales in SA19 6LB
Everything we know about 10 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
On epc rating, 10 Thomas Street runs well behind the street norm.
Price per m²
£1,660
Street avg £2,337
Floor Area
103 m²
Street avg 114 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 7.1 t/year
Similar properties nearby
1 Greenfield Place
SA19 6DN
1 Johns Villas
SA19 6DP
1 Brynawel Terrace
SA19 6DA
1 Carmarthen Street
SA19 6AE
1 Clarendon Road
SA19 6LF
1 Latimer Road
SA19 6HS
1 Heol Myrddin, Ffairfach
SA19 6PD
1 George Hill
SA19 6AU
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.