15b, Millbrook Street, Plasmarl, Swansea, SA6 8JY
About 15b
15b is a one-bedroom end-of-terrace house in Plasmarl, Swansea, Swansea (SA6 8JY). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2009. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). At 45 m² this is the 2nd smallest of 24 units on EPC record in the building, where floor areas span 43–116 m². The building's EPC ratings span F to C across 24 units on file.
At 45 m² it sits well below the postcode median (75 m² across 23 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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 £820 · Includes VAT
Planning history
15b has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£141,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA6 8JY: £106,500 (2025–2022).
Nearby sales in SA6 8JY
17 Millbrook Street, Plasmarl, Swansea, SA6 8JY
Sold Jun 2025
£100,00027 Millbrook Street, Plasmarl, Swansea, SA6 8JY
Sold Sept 2023
£97,5009 Millbrook Street, Plasmarl, Swansea, SA6 8JY
Sold Jan 2023
£106,50019 Millbrook Street, Plasmarl, Swansea, SA6 8JY
Sold Nov 2022
£125,00013 Millbrook Street, Plasmarl, Swansea, SA6 8JY
Sold Jan 2022
£112,000
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Castle Stores — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







