5 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
About 5 Heol Y Deri
5 Heol Y Deri is a three-bedroom semi-detached house in Cwmgwili, Llanelli, Llanelli (SA14 6PH). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1930-1949 and council tax band B. Tenure is freehold. The latest certificate (November 2024) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2014); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil. Other recorded features include notable views.
A recent sale: £210,000 in November 2025. Across the public record there are 5 sales, relatively high churn for a single property. Across 2002–2025, sale prices on this property compounded at 10.1% per year. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 157.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- FireplaceYes
Outside
- Private gardenRear
- GarageYes
- Notable viewsYes
Building
- TenureFreehold
- Central heatingYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
5 Heol Y Deri has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 5 Heol Y Deri
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
Latest sale on 5 Heol Y Deri was the highest on Land Registry record across the postcode.
£201,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.1% per year over 23 years.
£210,000
Growth on file: 10.1% per year over 23 years.
Sales timeline
4 November 2025Most recent
£210,000
+7.7%over 3 years4 August 2022
£195,000
+50.0%over 1 year27 May 2021
£130,000
+62.5%over 6 years5 December 2014
£80,000
+247.8%over 12 years2 October 2002
£23,000
Median price across the last 5 sales in SA14 6PH: £170,000 (2025–2022).
Nearby sales in SA14 6PH
9 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Feb 2025
£180,000Aely Bryn, Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Mar 2024
£137,000Maes Y Gelli, Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Nov 2023
£200,0001 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Oct 2023
£170,0002 Heol Y Deri, Cwmgwili, Llanelli, SA14 6PH
Sold Jul 2022
£120,000
Versus other Heol Y Deri homes
5 Heol Y Deri is notably below the street on years held.
Price per m²
£2,530
Street avg £1,291
Floor Area
83 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 6.2 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cwmgwili Playground — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







