4 Maes Y Dderwen Bungalows, Ystradgynlais, Swansea, SA9 1AS
About 4 Maes Y Dderwen Bungalows
4 Maes Y Dderwen Bungalows is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AS). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to 1950-1966. The latest certificate (May 2019) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2013); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump.
Know exactly what you're buying at 4 Maes Y Dderwen Bungalows
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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation improved
Low energy lighting percentage decreased
Planning history
4 Maes Y Dderwen Bungalows has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Maes Y Dderwen Bungalows
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
4 Maes Y Dderwen Bungalows has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£159,000
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.
Everything we know about 4 Maes Y Dderwen Bungalows, 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 the street
On floor area, 4 Maes Y Dderwen Bungalows runs well behind the street norm.
EPC Rating
49 (E)
Street avg 57 (D)
Floor Area
41 m²
Street avg 46 m²
CO₂ Emissions
3.9 t/year
Street avg 3.0 t/year
Habitable Rooms
3 rooms
Street avg 2 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
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.