1 Bryn Derwen Road, Ammanford, SA18 2DL
About 1 Bryn Derwen Road
1 Bryn Derwen Road is a four-bedroom end-of-terrace house in Ammanford (SA18 2DL). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (May 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2018. Between certificates, window efficiency went from Average to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
At 165 m² the property is well over the postcode median (84 m² across 5 EPCs), placing it in the larger end of the local stock. Across 2022–2023, sale prices on this property compounded at 18.9% per year. Sold July 2023 for £220,000.
Know exactly what you're buying at 1 Bryn Derwen 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
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Parkingoff_road
Building
- RefurbishedYes
Energy performance
1 Bryn Derwen Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Loft insulation upgraded to recommended levels
Planning history
1 Bryn Derwen Road has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 1 Bryn Derwen 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
30-day money-back guarantee
Sales history & valuation
1 Bryn Derwen Road changed hands twice within eighteen months — unusual for the area.
£240,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.9% per year over 1 year.
£220,000
Growth on file: 18.9% per year over 1 year.
Sales timeline
20 July 2023Most recent
£220,000
+18.9%over 10 months8 September 2022
£185,000
Median price across the last 4 sales in SA18 2DL: £112,000 (2022–2007).
Nearby sales in SA18 2DL
Everything we know about 1 Bryn Derwen 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 Bryn Derwen Road homes
EPC Rating for 1 Bryn Derwen Road runs comfortably ahead of the street norm.
EPC Rating
66 (D)
Street avg 61 (D)
Floor Area
165 m²
Street avg 108 m²
CO₂ Emissions
6.2 t/year
Street avg 4.4 t/year
Habitable Rooms
7 rooms
Street avg 5 rooms
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
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.