Model valuation£417,0008 Busby Close
Local market context
11 Marine Gate Mansions is a two-bedroom mid-terrace house in Southport (PR9 0AU). It has a recorded floor area of 192 m² (around 2067 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (April 2025) returns a high B (score 86), putting the home a stone's throw from an A rating. When first surveyed in October 2008 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. At 192 m² this is the 21st 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. On EPC score it ranks first in the building (86 versus a worst of 55).
Most recent transfer was October 2025 at £355,000 — fresh data. One historical planning record sits against the property in 2018. The record references listed-building consent, which constrain future alterations. At 192 m² it's 23.9% larger than the typical home in the postcode (155 m² median across 30 EPCs). Today's modelled estimate of £394,000 is 11% above the 2025 sale price.
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

Certificate validity
Valid until 14 April 2035
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Wall insulation improved
Get a survey for this property
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
11 Marine Gate Mansions has a listed-building consent on record — alterations to a listed property are tightly controlled.
1 application on record at 11 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Listed Building Consent for the installation of a replacement outlet pipe to the inner courtyard wall.
You're seeing the shape of it. The report has the substance.
One time fee only - money back guarantee
£394,000
Modelled from EPC, postcode comparables.
£355,000
Recorded with HM Land Registry.
1 October 2025Most recent
£355,000
Median price across the last 5 sales in PR9 0AU: £385,000 (2025–2022).
34 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Aug 2025
12 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Jan 2025
31 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Apr 2023
27a Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Nov 2022
19 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Mar 2022
Years Held for 11 Marine Gate Mansions lags the street by a wide margin.
Price per m²
£1,849
Street avg £2,070
Floor Area
192 m²
Street avg 163 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.7 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchPR9 0AU
PR9 0RQ
PR9 0HR
PR9 0JW
PR9 0RA
PR9 0QQ
PR9 0BH
PR9 0RG
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.

Daytime· 07:00 – 23:00
53.2dB

Night-time· 23:00 – 07:00
42.3dB