11a, Flat 1, Castle Walk, Southport, PR8 2AR
About 11a
11a is a semi-detached house in Southport (PR8 2AR). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (June 2026) shows a C (score 78), near the top of the C band. When first surveyed in October 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, lighting went from Very Poor to Good and main heating went from Very Poor to Good; while window efficiency dropped from Good to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 28 m² this is the 3rd smallest of 6 units on EPC record in 11a, where floor areas span 20–40 m². The building's EPC ratings span E to B across 6 units on file.
At 28 m² it's 22.2% smaller than the typical home in the postcode (36 m² median across 47 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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Energy performance
11a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 24 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
Heating system upgraded to a more efficient system
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, 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
2 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.
£119,000
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 2AR: £260,000 (2025–2020).
Nearby sales in PR8 2AR
Versus other Castle Walk homes
CO₂ Emissions for 11a runs comfortably ahead of the street norm.
EPC Rating
78 (C)
Street avg 65 (D)
Floor Area
28 m²
Street avg 34 m²
CO₂ Emissions
0.4 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 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 · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
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11a, Flat 5, Castle Walk
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The neighbourhood at a glance
Crime
347/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Westcliffe Road — bus stop.
Closest school
0.9 km
Linaker Primary School. 14 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
52.4dB
Night-time· 23:00 – 07:00
41.8dB