1 Brynygrug, Ystalyfera, Swansea, SA9 2BA
About 1 Brynygrug
1 Brynygrug is a semi-detached house in Ystalyfera, Swansea, Swansea (SA9 2BA). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (August 2025) returns an A (score 97), the top energy band on the EPC scale. When first surveyed in August 2011 the rating was D, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average.
Its energy rating outperforms most of the postcode (better than 86% of similar EPCs).
Know exactly what you're buying at 1 Brynygrug
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
1 Brynygrug's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Mechanical ventilation installed
Planning history
1 Brynygrug has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
1 Brynygrug has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£122,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 4 sales in SA9 2BA: £67,750 (2024–2007).
Everything we know about 1 Brynygrug, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Brynygrug homes
1 Brynygrug outperforms the street on epc rating by a wide margin.
EPC Rating
97 (A)
Street avg 72 (C)
Floor Area
50 m²
Street avg 50 m²
CO₂ Emissions
1.5 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Allt-y-Grug — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.