20 Marine Gate Mansions, Promenade, Southport, PR9 0AU
About 20 Marine Gate Mansions
20 Marine Gate Mansions is a three-bedroom end-of-terrace house in Southport (PR9 0AU). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 2003-2006 and council tax band F. At 152 m² this is the 15th smallest of 31 units on EPC record in the building, where floor areas span 81–297 m². The building's EPC ratings span D to B across 31 units on file. The latest certificate (July 2016) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 82). The latest certificate is from July 2016, so improvements made since then won't be reflected.
On a £-per-square-foot basis, the last sale (£244/sq ft) was about 32.7% above the typical sold price in the postcode. On the market in July 2018 and unlisted since — roughly 8 years.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
Outside
- ParkingAllocated
Building
- RefurbishedYes
Everything you need to know about 20 Marine Gate Mansions
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Jul 2026
EPC Rating
Certificate validity
Expired on 31 July 2026
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Planning history
20 Marine Gate Mansions has no planning applications on record.
But the area is active
15 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£383,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
Sales timeline
18 July 2018Most recent
£400,000
Median price across the last 5 sales in PR9 0AU: £360,000 (2025–2022).
Nearby sales in PR9 0AU
11 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Oct 2025
£355,00034 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Aug 2025
£430,00012 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Jan 2025
£360,00031 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Apr 2023
£445,00027a Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Nov 2022
£269,000
Versus other Promenade homes
Price per m² for 20 Marine Gate Mansions runs comfortably ahead of the street norm.
Price per m²
£2,632
Street avg £2,044
Floor Area
152 m²
Street avg 165 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.7 t/year
Everything you need to know about 20 Marine Gate Mansions
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
250/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Avondale Road — bus stop.
Closest school
0.6 km
Holy Trinity Church of England Primary School, Southport. 13 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
53.2dB

Night-time· 23:00 – 07:00
42.3dB






