Old Post Office, Cwmduad, Carmarthen, SA33 6XJ
About Old Post Office
Old Post Office is an end-of-terrace house in Cwmduad, Carmarthen, Carmarthen (SA33 6XJ). It has a recorded floor area of 96 m² (around 1033 sq ft) and construction records dating it to before 1900. The latest certificate (July 2019) shows a D (score 55), a step below the typical UK home. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2007–2020, sale prices on this property compounded at -2.9% per year. Today's modelled estimate of £149,000 sits 56.8% above the 2020 sale of £95,000. On a £-per-square-foot basis, the last sale (£92/sq ft) was about 23.8% below the postcode norm. Sold April 2020 for £95,000.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Old Post Office ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Planning history
Old Post Office has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at Old Post Office
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
Old Post Office's sale-price growth has lagged the wider UK trajectory across its history on file.
£149,000
Modelled from EPC, postcode comparables and a sale-price growth of -2.9% per year over 13 years.
£95,000
Growth on file: -2.9% per year over 13 years.
Sales timeline
13 April 2020Most recent
£95,000
-32.6%over 13 years12 January 2007
£141,000
Median price across the last 5 sales in SA33 6XJ: £155,000 (2024–2020).
Nearby sales in SA33 6XJ
Everything we know about Old Post Office, 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 the street
On epc rating, Old Post Office stands well clear of the street.
EPC Rating
55 (D)
Street avg 46 (E)
Floor Area
96 m²
Street avg 88 m²
CO₂ Emissions
5.6 t/year
Street avg 7.1 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.