31 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
About 31 Heol Y Mynydd
31 Heol Y Mynydd is a detached house in Bryn, Llanelli, Llanelli (SA14 9UB). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (November 2023) shows an E (score 46), 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 electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On a £-per-square-foot basis, the last sale (£263/sq ft) was about 131.2% above the typical sold price in the postcode. Sold May 2024 for £320,000.
Energy performance
31 Heol Y Mynydd sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
31 Heol Y Mynydd has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 31 Heol Y Mynydd
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
Latest sale on 31 Heol Y Mynydd was the highest on Land Registry record across the postcode.
£335,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
16 May 2024Most recent
£320,000
Median price across the last 5 sales in SA14 9UB: £161,000 (2025–2021).
Nearby sales in SA14 9UB
13 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
Sold Oct 2025
£135,0003 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
Sold Apr 2025
£162,0002 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
Sold Sept 2022
£161,0001 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
Sold Feb 2022
£110,00017 Heol Y Mynydd, Bryn, Llanelli, SA14 9UB
Sold Sept 2021
£176,000
Versus other Heol Y Mynydd homes
On price per m², 31 Heol Y Mynydd stands well clear of the street.
Price per m²
£2,832
Street avg £1,455
Floor Area
113 m²
Street avg 139 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 5.5 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-y-Mynydd — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







