11 Westbury Street, Swansea, SA1 4JN
About 11 Westbury Street
11 Westbury Street is a five-bedroom 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 (May 2026) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in March 2016 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 76). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since January 2003 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £237,000 sits 175.6% above the 2003 sale of £86,000. On a £-per-square-foot basis, the last sale (£52/sq ft) was about 41.2% below the postcode norm. At 153 m² it's 25.4% larger than the typical home in the postcode (122 m² median across 38 EPCs).
What this property has
Inside
- Bedrooms5
- Bathrooms2
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 4 May 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
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
11 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
11 Westbury Street valuation sits well clear of the typical sold price in this postcode.
£237,000
Modelled from EPC, postcode comparables.
£86,000
Recorded with HM Land Registry.
Sales timeline
31 January 2003Most recent
£86,000
Median price across the last 5 sales in SA1 4JN: £177,500 (2026–2023).
Nearby sales in SA1 4JN
Versus other Westbury Street homes
On floor area, 11 Westbury Street stands well clear of the street.
Price per m²
£562
Street avg £1,110
Floor Area
153 m²
Street avg 126 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.5 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
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.







