20 Llwynderw, Three Crosses, Swansea, SA4 3QG
About 20 Llwynderw
20 Llwynderw is a detached house in Three Crosses, Swansea, Swansea (SA4 3QG). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (September 2013) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2013); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Very Poor and lighting dropped from Average to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).
Energy performance
20 Llwynderw's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Sept 2023
EPC Rating
Certificate validity
Expired on 18 September 2023
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
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Planning history
20 Llwynderw has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Llwynderw has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£327,000
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 5 sales in SA4 3QG: £260,000 (2021–2018).
Nearby sales in SA4 3QG
4 Llwynderw, Three Crosses, Swansea, SA4 3QG
Sold Apr 2021
£277,00047 Llwynderw, Three Crosses, Swansea, SA4 3QG
Sold Aug 2019
£215,00021 Llwynderw, Three Crosses, Swansea, SA4 3QG
Sold Apr 2019
£395,0009 Llwynderw, Three Crosses, Swansea, SA4 3QG
Sold Dec 2018
£212,00025 Llwynderw, Three Crosses, Swansea, SA4 3QG
Sold Nov 2018
£260,000
Versus other Llwynderw homes
Floor Area for 20 Llwynderw lags the street by a wide margin.
EPC Rating
50 (E)
Street avg 62 (D)
Floor Area
104 m²
Street avg 123 m²
CO₂ Emissions
6.0 t/year
Street avg 5.0 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Joiners` Arms — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







