5 Pen Yr Allt, Ystalyfera, Swansea, SA9 2AX
About 5 Pen Yr Allt
5 Pen Yr Allt is a semi-detached house in Ystalyfera, Swansea, Swansea (SA9 2AX). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (October 2025) returns a high B (score 88), putting the home a stone's throw from an A rating. When first surveyed in August 2011 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Average.
On energy efficiency it sits in the top 10% of properties in this postcode.
Know exactly what you're buying at 5 Pen Yr Allt
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
5 Pen Yr Allt ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Wall insulation improved
More low energy lighting installed
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Mechanical ventilation installed
Planning history
5 Pen Yr Allt has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
5 Pen Yr Allt has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£128,000
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 2 sales in SA9 2AX: £22,250 (2002–2000).
Everything we know about 5 Pen Yr Allt, 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?
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- Is the agent's story true?
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Versus other Pen Yr Allt homes
EPC Rating for 5 Pen Yr Allt runs comfortably ahead of the street norm.
EPC Rating
88 (B)
Street avg 72 (C)
Floor Area
82 m²
Street avg 82 m²
CO₂ Emissions
2.2 t/year
Street avg 3.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 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.