Derlwyn Isaf, Blaenycoed, Carmarthen, SA33 6ET
About Derlwyn Isaf
Derlwyn Isaf is a property in Blaenycoed, Carmarthen, Carmarthen (SA33 6ET).
It changed hands recently, sold November 2025 for £348,000. One planning record on file: an extension approved in 2017. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Across 2005–2025, sale prices on this property compounded at 2.9% per year.
Know exactly what you're buying at Derlwyn Isaf
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
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
- Jul 2017Garage ConversionFullIn report
CONVERSION OF EXISTING ATTACHED GARAGE TO STUDY AND GARAGE EXTENSION TO THE SOUTH ELEVATION
Extension- Documents
- 4 docs on file
- Reference
- W/35617
We flagged 1 thing worth checking at Derlwyn Isaf
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
£348,000
Growth on file: 2.9% per year over 20 years.
Sales timeline
10 November 2025Most recent
£348,000
+54.7%over 9 years16 June 2016
£225,000
+15.4%over 10 years11 October 2005
£195,000
Median price across the last 5 sales in SA33 6ET: £136,000 (2023–2018).
Nearby sales in SA33 6ET
Pleasant View, Blaenycoed, Carmarthen, SA33 6ET
Sold Sept 2023
£200,000Cwm Hyfryd, Blaenycoed, Carmarthen, SA33 6ET
Sold May 2021
£96,000Llain Las, Blaenycoed, Carmarthen, SA33 6ET
Sold Oct 2020
£91,000Awenydd, Blaenycoed, Carmarthen, SA33 6ET
Sold Jun 2019
£295,000Brongwyn, Blaenycoed, Carmarthen, SA33 6ET
Sold Dec 2016
£230,000
Everything we know about Derlwyn Isaf, 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

Similar properties nearby
1 Gelli Aur Estate, Bronwydd Arms
SA33 6BE
1 Nant Yr Ynys, Llanpumsaint
SA33 6LJ
1 Blaenbryn, Blaenycoed
SA33 6ES
1 Bron Y Glyn Estate, Bronwydd Arms
SA33 6JB
1 Nantyrolchfa, Talog
SA33 6NP
1 Clynblewog, Trelech
SA33 6DW
10 Bron Y Glyn Estate, Bronwydd Arms
SA33 6JB
1 Troed Yr Ynys, Bronwydd Arms
SA33 6BE
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Blaen-y-coed Chapel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.