2 Parc Derwen, Garnswllt, Ammanford, SA18 2RJ
About 2 Parc Derwen
2 Parc Derwen is a four-bedroom detached house in Garnswllt, Ammanford, Ammanford (SA18 2RJ). It has a recorded floor area of 139 m² (around 1500 sq ft), construction records dating it to 2007 onwards and council tax band F. The latest certificate (October 2008) shows a C (score 72). The latest certificate is from October 2008, so improvements made since then won't be reflected.
Across 2006–2018, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £345,000 sits 53.3% above the 2018 sale of £225,000. On a £-per-square-foot basis, the last sale (£150/sq ft) was about 20.1% above the typical sold price in the postcode. At 139 m² it sits well below the postcode median (200 m² across 3 EPCs), making it one of the more compact homes locally. Sold June 2018 for £225,000.
Know exactly what you're buying at 2 Parc Derwen
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
What this property has
Inside
- Bedrooms4
- Dining roomYes
Outside
- Private gardenfront_and_rear
- Garageintegral
Energy performance
2 Parc Derwen's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Oct 2018
EPC Rating
Planning history
2 Parc Derwen has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 2 Parc Derwen
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
Sale price has grown by over 3x since 2006.
£345,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.2% per year over 12 years.
£225,000
Growth on file: 10.2% per year over 12 years.
Sales timeline
27 June 2018Most recent
£225,000
+221.4%over 11 years9 July 2006
£70,000
Median price across the last 4 sales in SA18 2RJ: £249,965 (2018–2011).
Everything we know about 2 Parc Derwen, 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 Parc Derwen homes
2 Parc Derwen outperforms the street on price per m² by a wide margin.
Price per m²
£1,615
Street avg £1,394
Floor Area
139 m²
Street avg 183 m²
CO₂ Emissions
4.8 t/year
Street avg 4.6 t/year
Years Held
8 years
Street avg 11 years
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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
0.1 km
Lon-y-Felin — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.