51 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
About 51 Mountain Road
51 Mountain Road is a six-bedroom detached house in Upper Brynamman, Ammanford, Ammanford (SA18 1AN). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (August 2014) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in September 2011 the rating was F, the property has climbed 1 band since. Between certificates, main heating went from Average to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on oil. The latest certificate is from August 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £273,000 sits 95% above the 2012 sale of £140,000. At 130 m² it's 23.2% larger than the typical home in the postcode (106 m² median across 46 EPCs). 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Last changed hands 14 years ago, in October 2012.
Know exactly what you're buying at 51 Mountain 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
- Bedrooms6
Energy performance
51 Mountain Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Aug 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Hot water system changed
More low energy lighting installed
Planning history
51 Mountain Road has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 51 Mountain 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
51 Mountain Road valuation sits well clear of the typical sold price in this postcode.
£273,000
Modelled from EPC, postcode comparables.
£140,000
Recorded with HM Land Registry.
Sales timeline
29 October 2012Most recent
£140,000
Median price across the last 5 sales in SA18 1AN: £325,000 (2025–2021).
Nearby sales in SA18 1AN
124 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Nov 2025
£350,00095 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Jun 2025
£265,00092 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Jul 2023
£80,00081 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold May 2022
£405,00086 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Apr 2021
£225,000
Everything we know about 51 Mountain 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 Mountain Road homes
Price per m²
£1,077
Street avg £1,304
Floor Area
130 m²
Street avg 148 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
9.4 t/year
Street avg 9.6 t/year
Similar properties nearby
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1 Barry Road, Lower Brynamman
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1 Clos Bryncam, Garnant
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1 Brynglas, King Edward Road, Tairgwaith
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1 Ardwyn Road, Upper Brynamman
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1 Bryn Avenue, Upper Brynamman
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Derlwyn Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.