1 Cwmamman Road, Garnant, Ammanford, SA18 1NH
About 1 Cwmamman Road
1 Cwmamman Road is a semi-detached house in Garnant, Ammanford, Ammanford (SA18 1NH). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (August 2024) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in October 2013 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 73). At 54 m² this is the 6th smallest of 22 units on EPC record in the building, where floor areas span 42–282 m². The building's EPC ratings span E to C across 22 units on file.
Across 1999–2014, sale prices on this property compounded at 2% per year. Today's modelled estimate of £111,000 sits 177.5% above the 2014 sale of £40,000. On a £-per-square-foot basis, the last sale (£69/sq ft) was about 20.6% above the typical sold price in the postcode. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. On the market in January 2014 and unlisted since — roughly 12 years. At 54 m² it's 21.7% smaller than the typical home in the postcode (69 m² median across 21 EPCs).
Know exactly what you're buying at 1 Cwmamman Road
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Switched from solid fuel to cleaner energy source
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Planning history
1 Cwmamman Road has an approved side and rear extension on the planning record.
- Apr 2014ExtensionFullIn report
Extension: Side and rear of property
TWO STOREY SIDE AND REAR EXTENSION
- Documents
- 3 docs on file
- Reference
- E/29558
We flagged 1 thing worth checking at 1 Cwmamman Road
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
1 Cwmamman Road's estimated value is more than triple its earliest registered sale price (1999).
£111,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 14 years.
£40,000
Growth on file: 2.0% per year over 14 years.
Sales timeline
9 January 2014Most recent
£40,000
-7.0%over 10 years21 May 2003
£43,000
+43.3%over 3 years8 September 1999
£30,000
Median price across the last 5 sales in SA18 1NH: £97,000 (2025–2021).
Nearby sales in SA18 1NH
16 Cwmamman Road, Garnant, Ammanford, SA18 1NH
Sold Oct 2025
£90,00031 Cwmamman Road, Garnant, Ammanford, SA18 1NH
Sold Mar 2024
£66,00015 Cwmamman Road, Garnant, Ammanford, SA18 1NH
Sold Aug 2023
£150,0007 Cwmamman Road, Garnant, Ammanford, SA18 1NH
Sold May 2022
£129,99519 Cwmamman Road, Garnant, Ammanford, SA18 1NH
Sold Apr 2021
£97,000
Everything we know about 1 Cwmamman Road, 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 Cwmamman Road homes
Habitable Rooms for 1 Cwmamman Road lags the street by a wide margin.
EPC Rating
67 (D)
Street avg 68 (D)
Floor Area
54 m²
Street avg 58 m²
CO₂ Emissions
2.3 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Colliers Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.