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 £224,000 is 28.7% 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.
Everything you need to know about 21 Henrietta Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Henrietta Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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 £885 · 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.
£224,000
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 £743
Floor Area
137 m²
Street avg 147 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.2 t/year
Street avg 7.3 t/year
Everything you need to know about 21 Henrietta 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
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Similar properties nearby
The neighbourhood at a glance
Crime
3/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.