27a Marine Gate Mansions, Promenade, Southport, PR9 0AU
About 27a Marine Gate Mansions
27a Marine Gate Mansions is a mid-terrace house in Southport (PR9 0AU). It has a recorded floor area of 116 m² (around 1249 sq ft) and construction records dating it to before 1900. The latest certificate (April 2026) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since November 2015. Between certificates, wall efficiency dropped from Very Good to Poor and window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 116 m² this is the 6th 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, with this unit at the top.
Across 2019–2022, sale prices on this property compounded at -1.3% per year. Today's modelled estimate of £312,000 is 16% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£215/sq ft) was about 17% above the typical sold price in the postcode. At 116 m² it's 27% smaller than the typical home in the postcode (159 m² median across 30 EPCs). Sold November 2022 for £269,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 27a Marine Gate Mansions
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 13 April 2036
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
27a 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£312,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.3% per year over 3 years.
£269,000
Growth on file: -1.3% per year over 3 years.
Sales timeline
10 November 2022Most recent
£269,000
-3.9%over 3 years30 September 2019
£280,000
Median price across the last 5 sales in PR9 0AU: £385,000 (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
£445,00019 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Mar 2022
£316,600
Versus other Promenade homes
On co₂ emissions, 27a Marine Gate Mansions stands well clear of the street.
Price per m²
£2,319
Street avg £2,055
Floor Area
116 m²
Street avg 166 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
1.7 t/year
Street avg 3.8 t/year
Everything you need to know about 27a 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

Similar properties nearby
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






