20 Waun Wen Terrace, Swansea, SA1 1DX
About 20 Waun Wen Terrace
20 Waun Wen Terrace is a three-bedroom mid-terrace house in Swansea (SA1 1DX). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2015) shows an F (score 33), near the bottom of the EPC scale. The rating has held steady at F across 3 certificates since March 2010. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor and lighting dropped from Average to Poor. The recommended improvements would lift it to C (score 79), a 3-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £118,000 sits 71% above the 2011 sale of £69,000. At 91 m² it's 18.2% larger than the typical home in the postcode (77 m² median across 24 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). 15 years since the last transfer (November 2011).
What this property has
Inside
- Bedrooms3
Outside
- Private gardenRear
Building
- Heating systemGas
- RefurbishedYes
Everything you need to know about 20 Waun Wen Terrace
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
20 Waun Wen Terrace'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This certificate is over 10 years old and is no longer valid.Expired 11 May 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
20 Waun Wen Terrace has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Waun Wen Terrace valuation sits well clear of the typical sold price in this postcode.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.2% per year over 8 years.
£69,000
Growth on file: 0.2% per year over 8 years.
Sales timeline
10 November 2011Most recent
£69,000
+1.5%over 7 years5 December 2003
£68,000
Median price across the last 5 sales in SA1 1DX: £96,000 (2025–2022).
Nearby sales in SA1 1DX
Versus other Waun Wen Terrace homes
EPC Rating for 20 Waun Wen Terrace lags the street by a wide margin.
Price per m²
£758
Street avg £822
Floor Area
91 m²
Street avg 78 m²
Habitable Rooms
7 rooms
Street avg 4 rooms
CO₂ Emissions
7.8 t/year
Street avg 4.6 t/year
Everything you need to know about 20 Waun Wen Terrace
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Zoar Chapel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






