11 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
About 11 Nant Yr Ynys
11 Nant Yr Ynys is a four-bedroom detached house in Llanpumsaint, Carmarthen, Carmarthen (SA33 6LJ). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (April 2021) shows a C (score 71). The rating has held steady at C across 3 certificates since May 2009. Between certificates, lighting went from Good to Very Good. Main heating runs on oil.
At 187 m² the property is well over the postcode median (118 m² across 20 EPCs), placing it in the larger end of the local stock. Across 2009–2022, sale prices on this property compounded at 3.6% per year. On a £-per-square-foot basis, the last sale (£224/sq ft) was about 48.9% above the typical sold price in the postcode. Sold December 2022 for £450,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 11 Nant Yr Ynys
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
- Bathrooms3
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Floor insulation added or improved
Planning history
11 Nant Yr Ynys has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 11 Nant Yr Ynys
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 11 Nant Yr Ynys was the highest on Land Registry record across the postcode.
£430,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 13 years.
£450,000
Growth on file: 3.6% per year over 13 years.
Sales timeline
13 December 2022Most recent
£450,000
+18.4%over 1 year29 July 2021
£379,950
+35.7%over 11 years16 September 2009
£280,000
Median price across the last 5 sales in SA33 6LJ: £259,995 (2024–2018).
Nearby sales in SA33 6LJ
4 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
Sold Feb 2024
£259,9958 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
Sold Jul 2023
£280,0001 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
Sold May 2022
£222,50014 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
Sold Mar 2019
£248,00022 Nant Yr Ynys, Llanpumsaint, Carmarthen, SA33 6LJ
Sold Dec 2018
£280,000
Everything we know about 11 Nant Yr Ynys, 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 Nant Yr Ynys homes
On price per m², 11 Nant Yr Ynys stands well clear of the street.
Price per m²
£2,406
Street avg £1,647
Floor Area
187 m²
Street avg 118 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.8 t/year
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10 Caerwenog, Trelech
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Railway Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.