12 Henrietta Street, Swansea, SA1 4HW
About 12 Henrietta Street
12 Henrietta Street is a mid-terrace house in Swansea (SA1 4HW). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (May 2026) shows a C (score 69), just inside the C band. When first surveyed in October 2008 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Average; while main heating dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 105 m² it's 23.4% smaller than the typical home in the postcode (137 m² median across 23 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 1997–2023, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 237.6% above the typical sold price in the postcode. Sold December 2023 for £210,000.
Everything you need to know about 12 Henrietta Street
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 5 May 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Roof insulation improved
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
12 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
Latest sale on 12 Henrietta Street was the highest on Land Registry record across the postcode.
£223,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 27 years.
£210,000
Growth on file: 5.3% per year over 27 years.
Sales timeline
18 December 2023Most recent
£210,000
+20.7%over 2 years5 August 2021
£174,000
+8.8%over 17 years22 July 2004
£160,000
+207.7%over 7 years17 January 1997
£52,000
Median price across the last 5 sales in SA1 4HW: £134,000 (2021–2012).
Nearby sales in SA1 4HW
Versus other Henrietta Street homes
On price per m², 12 Henrietta Street stands well clear of the street.
Price per m²
£2,000
Street avg £721
Floor Area
105 m²
Street avg 147 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
3.3 t/year
Street avg 7.3 t/year
Everything you need to know about 12 Henrietta Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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.