21 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
About 21 Maesydderwen Estate
21 Maesydderwen Estate is a three-bedroom semi-detached house in Bronwydd Arms, Carmarthen, Carmarthen (SA33 6JE). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (July 2023) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in November 2017 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to D (score 61). Main heating runs on bottled lpg.
At 104 m² it's 27.1% larger than the typical home in the postcode (82 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Across 2018–2023, sale prices on this property compounded at 12.3% per year. Today's modelled estimate of £216,000 is 13.7% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£170/sq ft) was about 21.2% above the typical sold price in the postcode. Sold June 2023 for £190,000.
Know exactly what you're buying at 21 Maesydderwen Estate
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Wall insulation improved
Roof insulation improved
Planning history
21 Maesydderwen Estate has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Maesydderwen Estate
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
21 Maesydderwen Estate valuation sits well clear of the typical sold price in this postcode.
£216,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.3% per year over 5 years.
£190,000
Growth on file: 12.3% per year over 5 years.
Sales timeline
15 June 2023Most recent
£190,000
+86.3%over 5 years5 February 2018
£102,000
Median price across the last 5 sales in SA33 6JE: £165,000 (2025–2022).
Nearby sales in SA33 6JE
16 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
Sold Oct 2025
£153,00017 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
Sold Aug 2024
£162,50011 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
Sold May 2024
£176,5002 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
Sold Aug 2022
£165,00015 Maesydderwen Estate, Cwmdyfran, Bronwydd Arms, Carmarthen, SA33 6JE
Sold Sept 2018
£129,950
Everything we know about 21 Maesydderwen Estate, 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 Maesydderwen Estate homes
EPC Rating for 21 Maesydderwen Estate lags the street by a wide margin.
Price per m²
£1,827
Street avg £1,452
Floor Area
104 m²
Street avg 81 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.2 t/year
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1 Gelli Aur Estate, Bronwydd Arms
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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
Cwmdwyfran — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.