11 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
About 11 Heol Plas Isaf
11 Heol Plas Isaf is a three-bedroom semi-detached house in Llangennech, Llanelli, Llanelli (SA14 8TJ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2023) shows a C (score 70). When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 83). Other recorded features include a conservatory.
Sold November 2023 for £172,000. Across the public record there are 5 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Across 1999–2023, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 51.9% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- ConservatoryYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Central heatingYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
11 Heol Plas Isaf has an approved extension on the planning record.
- Apr 2024ExtensionOutlineIn report
Proposed Extension
- Documents
- 7 docs on file
- Reference
- PL/07681
We flagged 1 thing worth checking at 11 Heol Plas 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
Price for 11 Heol Plas Isaf has grown more than fourfold since the 1999 starting point.
£187,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 25 years.
£172,000
Growth on file: 6.7% per year over 25 years.
Sales timeline
3 November 2023Most recent
£172,000
+63.8%over 15 years24 April 2008
£105,000
+35.5%over 4 years31 July 2003
£77,500
+52.0%over 2 years22 January 2001
£51,000
+45.7%over 1 year22 March 1999
£35,000
Median price across the last 5 sales in SA14 8TJ: £153,000 (2024–2020).
Nearby sales in SA14 8TJ
12 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
Sold Aug 2024
£175,00010 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
Sold May 2022
£143,00013 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
Sold Dec 2021
£155,0005 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
Sold Dec 2020
£124,4008 Heol Plas Isaf, Llangennech, Llanelli, SA14 8TJ
Sold Nov 2020
£153,000
Versus other Heol Plas Isaf homes
Years Held for 11 Heol Plas Isaf lags the street by a wide margin.
Price per m²
£2,293
Street avg £1,922
Floor Area
75 m²
Street avg 66 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol Plas Isaf — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







