4 Westbury Street, Swansea, SA1 4JN
About 4 Westbury Street
4 Westbury Street is a mid-terrace house in Swansea (SA1 4JN). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2019) shows a C (score 72). When first surveyed in May 2018 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 83).
Across 1996–2018, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £231,000 sits 106.3% above the 2018 sale of £112,000. Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). Sold November 2018 for £112,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
4 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
4 Westbury Street's modelled value sits at over four times its earliest registered sale price (1996).
£231,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 22 years.
£112,000
Growth on file: 3.1% per year over 22 years.
Sales timeline
30 November 2018Most recent
£112,000
+96.5%over 22 years23 June 1996
£57,000
Median price across the last 5 sales in SA1 4JN: £190,000 (2025–2023).
Nearby sales in SA1 4JN
Versus other Westbury Street homes
EPC Rating for 4 Westbury Street runs comfortably ahead of the street norm.
Price per m²
£982
Street avg £1,091
Floor Area
114 m²
Street avg 127 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
3.3 t/year
Street avg 5.6 t/year
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.







