11a, Portland Street, Southport, PR8 1LJ
About 11a
11a is a semi-detached house in Southport (PR8 1LJ). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band B. At 96 m² this is the smallest unit on EPC record across 11a (96–96 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 63). The latest certificate (November 2025) shows a C (score 71). When first surveyed in July 2018 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
At 96 m² it's 17.1% larger than the typical home in the postcode (82 m² median across 19 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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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
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Heating controls changed
Windows upgraded, improving insulation
Roof insulation improved
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
11a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£154,000
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 PR8 1LJ: £275,000 (2022–2015).
Nearby sales in PR8 1LJ
Versus other Portland Street homes
Habitable Rooms for 11a runs comfortably ahead of the street norm.
EPC Rating
71 (C)
Street avg 67 (D)
Floor Area
96 m²
Street avg 72 m²
CO₂ Emissions
3.1 t/year
Street avg 3.1 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
Everything you need to know about 11a
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
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Wellington Street — bus stop.
Closest school
0.8 km
Southport Education Group. 12 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
54.3dB
Night-time· 23:00 – 07:00
43.4dB