125 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
About 125 Penygroes Road
125 Penygroes Road is a five-bedroom detached house in Blaenau, Ammanford, Ammanford (SA18 3BZ). It has a recorded floor area of 216 m² (around 2325 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2018) returns a B (score 81), comfortably above the UK average. When first surveyed in October 2008 the rating was G, the property has climbed 5 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Poor to Very Good; while hot-water efficiency dropped from Average to Poor. Main heating runs on electricity: electricity, unspecified tariff. Other recorded features include notable views.
At 216 m² the property is well over the postcode median (102 m² across 36 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Today's modelled estimate of £500,000 sits 825.9% above the 2015 sale of £54,000. On a £-per-square-foot basis, the last sale (£23/sq ft) was about 80.4% below the postcode norm. 11 years since the last transfer (April 2015). One historical planning record sits against the property in 2016.
Know exactly what you're buying at 125 Penygroes 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
- Bedrooms5
- Bathrooms2
- EnsuiteYes
Outside
- GarageYes
- Notable viewsYes
Building
- Heating systemgas
- RefurbishedYes
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
High performance glazing installed
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Planning history
- Jan 2016New BuildFullIn report
CONSTRUCTION OF REPLACEMENT DWELLING
- Documents
- 11 docs on file
- Reference
- E/33021
We flagged 1 thing worth checking at 125 Penygroes 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
125 Penygroes Road's modelled value sits at over four times its earliest registered sale price (2015).
£500,000
Modelled from EPC, postcode comparables.
£54,000
Recorded with HM Land Registry.
Sales timeline
1 April 2015Most recent
£54,000
Median price across the last 5 sales in SA18 3BZ: £160,000 (2025–2023).
Nearby sales in SA18 3BZ
67 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
Sold Aug 2025
£160,00078 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
Sold Jan 2025
£190,00084 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
Sold Mar 2024
£155,00080 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
Sold Sept 2023
£125,00073 Penygroes Road, Blaenau, Ammanford, SA18 3BZ
Sold May 2023
£299,950
Everything we know about 125 Penygroes 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 Penygroes Road homes
125 Penygroes Road is notably below the street on price per m².
Price per m²
£250
Street avg £1,576
Floor Area
216 m²
Street avg 124 m²
CO₂ Emissions
3.0 t/year
Street avg 5.7 t/year
Years Held
11 years
Street avg 10 years
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 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.