81 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
About 81 Mountain Road
81 Mountain Road is a three-bedroom detached house in Upper Brynamman, Ammanford, Ammanford (SA18 1AN). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2021) shows a G (score 7), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 54), a 2-band jump. Main heating runs on bottled lpg. Other recorded features include outbuildings and attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.
Across 2002–2022, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £358,000 is 11.6% below the 2022 sale of £405,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 260.1% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold May 2022 for £405,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 81 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
- Bedrooms3
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- OutbuildingsYes
- LandYes
Building
- Extension potentialPossible
Energy performance
81 Mountain Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
81 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 81 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
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Sales history & valuation
Latest sale on 81 Mountain Road was the highest on Land Registry record across the postcode.
£358,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 20 years.
£405,000
Growth on file: 7.8% per year over 20 years.
Sales timeline
26 May 2022Most recent
£405,000
+51.1%over 16 years12 April 2006
£268,000
+197.8%over 3 years16 May 2002
£90,000
Median price across the last 5 sales in SA18 1AN: £265,000 (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
£80,00086 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Apr 2021
£225,00091 Mountain Road, Upper Brynamman, Ammanford, SA18 1AN
Sold Mar 2021
£150,000
Everything we know about 81 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 for 81 Mountain Road runs comfortably ahead of the street norm.
Price per m²
£3,894
Street avg £1,199
Floor Area
104 m²
Street avg 149 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.2 t/year
Street avg 9.7 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 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.