Model valuation£417,0008 Busby Close
Local market context
20 Westbury Street is a semi-detached house in Swansea (SA1 4JN). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (December 2022) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since March 2013. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 3-band jump.
It hasn't traded since March 2003, a hold of 23 years that's notably long for the area. Across 2001–2003, sale prices on this property compounded at 11.6% per year. Today's modelled estimate of £176,000 sits 193.3% above the 2003 sale of £60,000. On a £-per-square-foot basis, the last sale (£60/sq ft) was about 33.4% below the postcode norm. At 93 m² it's 24.7% smaller than the typical home in the postcode (124 m² median across 38 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 28 December 2032
Changes detected from historical EPC data
Roof insulation improved
Get a survey for this property
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
20 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.
20 Westbury Street's estimated value is more than triple its earliest registered sale price (2001).
£176,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.6% per year over 2 years.
£60,000
Growth on file: 11.6% per year over 2 years.
30 March 2003Most recent
£60,000
+20.0%over 1 year29 July 2001
£49,995
Median price across the last 5 sales in SA1 4JN: £177,500 (2026–2023).
On floor area, 20 Westbury Street runs well behind the street norm.
Price per m²
£645
Street avg £1,107
Floor Area
93 m²
Street avg 127 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 5.5 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchCrime
580/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.