5 Heol Las, Ammanford, SA18 3EB
About 5 Heol Las
5 Heol Las is an end-of-terrace house in Ammanford (SA18 3EB). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (December 2019) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in September 2018 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1998–2018, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £137,000 sits 82.7% above the 2018 sale of £75,000. At 74 m² it sits well below the postcode median (113 m² across 14 EPCs), making it one of the more compact homes locally. Most recent transfer: December 2018 at £75,000.
Know exactly what you're buying at 5 Heol Las
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Loft insulation installed or upgraded to 250mm+
Planning history
5 Heol Las has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 5 Heol Las
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
5 Heol Las has more than quadrupled in price since its earliest registered sale in 1998.
£137,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 21 years.
£75,000
Growth on file: 7.1% per year over 21 years.
Sales timeline
13 December 2018Most recent
£75,000
+311.0%over 20 years19 April 1998
£18,250
Median price across the last 5 sales in SA18 3EB: £149,950 (2023–2019).
Everything we know about 5 Heol Las, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Heol Las homes
5 Heol Las is notably below the street on floor area.
Price per m²
£1,014
Street avg £1,073
Floor Area
74 m²
Street avg 112 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 t/year
Street avg 5.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
West End Newsagents — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.