21 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
About 21 Heol Y Cloddiau
21 Heol Y Cloddiau is a detached house in Dafen, Llanelli, Llanelli (SA14 8QX). It has a recorded floor area of 76 m² (around 818 sq ft) and construction records dating it to 1996-2002. The latest certificate (June 2025) shows a C (score 71). The recommended improvements would push it to B (score 84).
Untraded for 28 years, with the last transfer in June 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £250,000 sits 249.7% above the 1998 sale of £71,500. On a £-per-square-foot basis, the last sale (£87/sq ft) was about 33% below the postcode norm. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). One historical planning record sits against the property in 2026.
Energy performance
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Apr 2026DemolitionFullIn report
Extension: Side and rear of property
Demolition of existing detached garage and construction of rear and side wrap around ground floor extension and raised rear balcony
Extension- Documents
- 4 docs on file
- Reference
- PL/10758
We flagged 1 thing worth checking at 21 Heol Y Cloddiau
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
21 Heol Y Cloddiau's estimated value is more than triple its earliest registered sale price (1998).
£250,000
Modelled from EPC, postcode comparables.
£71,500
Recorded with HM Land Registry.
Sales timeline
25 June 1998Most recent
£71,500
Median price across the last 5 sales in SA14 8QX: £130,000 (2021–2014).
Nearby sales in SA14 8QX
1 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
Sold Jan 2021
£155,0004 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
Sold Dec 2019
£195,5005 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
Sold Mar 2015
£117,0007 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
Sold Nov 2007
£145,0003 Heol Y Cloddiau, Dafen, Llanelli, SA14 8QX
Sold Feb 2007
£124,500
Versus other Heol Y Cloddiau homes
Price per m² for 21 Heol Y Cloddiau lags the street by a wide margin.
Price per m²
£941
Street avg £1,937
Floor Area
76 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol Bryncelyn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







