Gelli Aur, Derwydd Road, Ammanford, SA18 2LX
About Gelli Aur
Gelli Aur is a four-bedroom detached house in Ammanford (SA18 2LX). It has a recorded floor area of 189 m² (around 2034 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (June 2022) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on oil.
At 189 m² the property is well over the postcode median (139 m² across 22 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £493,000 is 12% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 54.9% above the typical sold price in the postcode. Sold August 2022 for £440,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Gelli Aur
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
- Bathrooms2
Energy performance
Gelli Aur's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Gelli Aur has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Gelli Aur
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£493,000
Modelled from EPC, postcode comparables.
£440,000
Recorded with HM Land Registry.
Sales timeline
17 August 2022Most recent
£440,000
Median price across the last 5 sales in SA18 2LX: £250,000 (2024–2021).
Nearby sales in SA18 2LX
2 Cennen Terrace, Derwydd Road, Ammanford, SA18 2LX
Sold Nov 2024
£211,500Dynevor House, Derwydd Road, Ammanford, SA18 2LX
Sold Nov 2024
£251,000Cennen Terrace, Ty Charlotte, Derwydd Road, Ammanford, SA18 2LX
Sold Aug 2023
£250,000Pippins, Derwydd Road, Ammanford, SA18 2LX
Sold Apr 2022
£210,000Crud Yr Awel, Derwydd Road, Ammanford, SA18 2LX
Sold Aug 2021
£335,000
Everything we know about Gelli Aur, 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 Derwydd Road homes
On price per m², Gelli Aur stands well clear of the street.
Price per m²
£2,328
Street avg £1,924
Floor Area
189 m²
Street avg 141 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 6.8 t/year
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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
College Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.