21 Henrietta Street, Swansea, SA1 4HW
About 21 Henrietta Street
21 Henrietta Street is a mid-terrace house in Swansea (SA1 4HW). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2021) shows a D (score 57), a step below the typical UK home. When first surveyed in December 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 80).
Across 2000–2021, sale prices on this property compounded at 5% per year. Today's modelled estimate of £200,000 is 14.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 90.6% above the typical sold price in the postcode. Last sale on file: £174,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
21 Henrietta Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 2 February 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
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
21 Henrietta 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 2000.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 21 years.
£174,000
Growth on file: 5.0% per year over 21 years.
Sales timeline
2 September 2021Most recent
£174,000
+176.2%over 20 years17 September 2000
£63,000
Median price across the last 5 sales in SA1 4HW: £134,000 (2023–2015).
Nearby sales in SA1 4HW
Versus other Henrietta Street homes
Price per m² for 21 Henrietta Street runs comfortably ahead of the street norm.
Price per m²
£1,270
Street avg £773
Floor Area
137 m²
Street avg 145 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.2 t/year
Street avg 7.2 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St George Hotel 1 — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







