10 Westbury Street, Swansea, SA1 4JN
About 10 Westbury Street
10 Westbury Street is a mid-terrace house in Swansea (SA1 4JN). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2023) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since September 2010. Between certificates, window efficiency went from Poor to Good and lighting went from Good to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump.
Most recent transfer: November 2019 at £165,000. Across the public record there are 4 sales, relatively high churn for a single property. At 153 m² it's 25.4% larger than the typical home in the postcode (122 m² median across 38 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Across 2002–2019, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £220,000 is 33.3% above the 2019 sale price.
Everything you need to know about 10 Westbury Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
10 Westbury Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heating controls changed
Mechanical ventilation installed
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 £885 · Includes VAT
Planning history
10 Westbury Street has no planning applications on record.
But the area is active
44 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2002.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 18 years.
£165,000
Growth on file: 4.7% per year over 18 years.
Sales timeline
5 November 2019Most recent
£165,000
+10.0%over 3 years11 December 2015
£150,000
+20.0%over 5 years10 October 2010
£125,000
+70.1%over 8 years2 May 2002
£73,500
Median price across the last 5 sales in SA1 4JN: £190,000 (2025–2023).
Nearby sales in SA1 4JN
Versus other Westbury Street homes
Floor Area for 10 Westbury Street runs comfortably ahead of the street norm.
Price per m²
£1,078
Street avg £1,088
Floor Area
153 m²
Street avg 126 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
7.3 t/year
Street avg 5.5 t/year
Everything you need to know about 10 Westbury Street
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
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St James Church — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.