20 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
About 20 Glan Y Mor
20 Glan Y Mor is a semi-detached house in Llansteffan, Carmarthen, Carmarthen (SA33 5LL). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2014) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on oil. The latest certificate is from March 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £228,000 is 14% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 52.3% above the typical sold price in the postcode. Most recent transfer: September 2022 at £200,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 20 Glan Y Mor
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
20 Glan Y Mor's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Mar 2024
EPC Rating
Planning history
20 Glan Y Mor has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Glan Y Mor
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£228,000
Modelled from EPC, postcode comparables.
£200,000
Recorded with HM Land Registry.
Sales timeline
29 September 2022Most recent
£200,000
Median price across the last 5 sales in SA33 5LL: £177,500 (2024–2014).
Nearby sales in SA33 5LL
16 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
Sold Jun 2024
£262,0007 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
Sold Nov 2020
£190,00018 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
Sold Sept 2015
£130,00013 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
Sold Aug 2014
£170,00019 Glan Y Mor, Llansteffan, Carmarthen, SA33 5LL
Sold Aug 2012
£169,000
Everything we know about 20 Glan Y Mor, 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 Glan Y Mor homes
Price per m² for 20 Glan Y Mor runs comfortably ahead of the street norm.
Price per m²
£2,062
Street avg £1,756
Floor Area
97 m²
Street avg 97 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.4 t/year
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1 Coomb Drive, Llangynog
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1 Ferry Point, Llansteffan
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1 Glan Y Mor, Llansteffan
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Llanstephan Bridge — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.