20 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
About 20 Heol Cwmmawr
20 Heol Cwmmawr is a semi-detached house in Drefach, Llanelli, Llanelli (SA14 7AA). It has a recorded floor area of 119 m² (around 1281 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2021) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on oil.
Most recent transfer: November 2022 at £207,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include change of use to residential and an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). Across 1998–2022, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £254,000 is 22.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 58.3% above the typical sold price in the postcode.
Energy performance
20 Heol Cwmmawr's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
20 Heol Cwmmawr has an approved rear extension on the planning record.
- Oct 2022Change of UseFullIn report
Change of use from children's creche (D1) to residential dwelling (C3)
- Documents
- 6 docs on file
- Reference
- PL/04172
- Oct 2014ExtensionFullIn report
Extension: Rear of property
PROPOSED REAR EXTENSION AND ALTERATION WORKS
- Documents
- 7 docs on file
- Reference
- W/30717
We flagged 1 thing worth checking at 20 Heol Cwmmawr
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
20 Heol Cwmmawr has more than quadrupled in price since its earliest registered sale in 1998.
£254,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 25 years.
£207,000
Growth on file: 5.9% per year over 25 years.
Sales timeline
28 November 2022Most recent
£207,000
+97.1%over 18 years3 March 2004
£105,000
+425.0%over 4 years16 December 1999
£20,000
-60.0%over 1 year28 January 1998
£50,000
Median price across the last 5 sales in SA14 7AA: £185,000 (2023–2016).
Nearby sales in SA14 7AA
22 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Oct 2023
£220,00017 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Aug 2021
£190,00028 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Apr 2018
£155,00047a, Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Apr 2016
£185,00041 Heol Cwmmawr, Drefach, Llanelli, SA14 7AA
Sold Mar 2016
£110,000
Versus other Heol Cwmmawr homes
On years held, 20 Heol Cwmmawr runs well behind the street norm.
Price per m²
£1,739
Street avg £1,259
Floor Area
119 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
8.7 t/year
Street avg 4.4 t/year
Similar properties nearby
1 Cae Coch, Drefach
SA14 7AL
1 Church Road, Gorslas
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1 Bridge Street, Penygroes
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1 Brynhyfryd, Capel Seion Road, Drefach
SA14 7BN
1 Brodawel, Drefach
SA14 7BP
1 Bro Eithin, Cefneithin
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1 Blaen Emlyn, Penygroes
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1 Clos Y Ffin, Cefneithin
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







