3a, Carmarthen Street, Llandeilo, SA19 6AE
About 3a
3a is an end-of-terrace house in Llandeilo (SA19 6AE). It has a recorded floor area of 61 m² (around 657 sq ft) and construction records dating it to before 1900. At 61 m² this is the 6th smallest of 18 units on EPC record in the building, where floor areas span 28–244 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2023) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2012. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 75), a 2-band jump.
At 61 m² it's 17.6% smaller than the typical home in the postcode (74 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2006–2023, sale prices on this property compounded at 1.6% per year. On a £-per-square-foot basis, the last sale (£381/sq ft) was about 230.3% above the typical sold price in the postcode. Last sale on file: £250,000 in December 2023.
Know exactly what you're buying at 3a
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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
3a has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 3a
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
Latest sale on 3a was the highest on Land Registry record across the postcode.
£247,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 18 years.
£250,000
Growth on file: 1.6% per year over 18 years.
Sales timeline
1 December 2023Most recent
£250,000
+31.6%over 17 years2 March 2006
£190,000
Median price across the last 5 sales in SA19 6AE: £166,000 (2025–2021).
Nearby sales in SA19 6AE
1 Carmarthen Street, Llandeilo, SA19 6AE
Sold Apr 2025
£230,00013 Carmarthen Street, Llandeilo, SA19 6AE
Sold Dec 2023
£166,0007a, Carmarthen Street, Llandeilo, SA19 6AE
Sold Jan 2021
£140,00016 Carmarthen Street, Llandeilo, SA19 6AE
Sold Jan 2021
£240,000Penrhiw, Flat 1, 15 Carmarthen Street, Llandeilo, SA19 6AE
Sold Sept 2020
£83,650
Everything we know about 3a, 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 Carmarthen Street homes
On price per m², 3a stands well clear of the street.
Price per m²
£4,098
Street avg £1,440
Floor Area
61 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.0 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
King Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.