1 De Breos Street, Brynmill, Swansea, SA2 0BY
About 1 De Breos Street
1 De Breos Street is an end-of-terrace house in Brynmill, Swansea, Swansea (SA2 0BY). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2019) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (December 2008); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer was April 2026 at £227,500 — fresh data. Across 1996–2026, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 58.2% above the typical sold price in the postcode.
Everything you need to know about 1 De Breos Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
1 De Breos Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 18 August 2029
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 De Breos Street has no planning applications on record.
But the area is active
80 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1996.
£239,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 30 years.
£227,500
Growth on file: 4.5% per year over 30 years.
Sales timeline
8 April 2026Most recent
£227,500
+45.4%over 22 years28 November 2003
£156,500
+160.8%over 7 years30 January 1996
£60,000
Median price across the last 5 sales in SA2 0BY: £187,350 (2024–2018).
Nearby sales in SA2 0BY
10 De Breos Street, Brynmill, Swansea, SA2 0BY
Sold Dec 2024
£230,4006 De Breos Street, Brynmill, Swansea, SA2 0BY
Sold Apr 2024
£187,3505 De Breos Street, Brynmill, Swansea, SA2 0BY
Sold Dec 2023
£228,0004 De Breos Street, Brynmill, Swansea, SA2 0BY
Sold Jun 2016
£116,50011 De Breos Street, Brynmill, Swansea, SA2 0BY
Sold Jun 2014
£147,000
Versus other De Breos Street homes
1 De Breos Street is notably below the street on years held.
Price per m²
£1,961
Street avg £1,646
Floor Area
116 m²
Street avg 102 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 4.3 t/year
Everything you need to know about 1 De Breos 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

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The neighbourhood at a glance
Crime
120/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Rhyddings — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






