Model valuation£417,0008 Busby Close
Local market context
12 Marine Gate Mansions, Promenade, Southport, PR9 0AU
2 planning records
Property type
Detached
Floor 00
Habitable rooms
5
From EPC
Floor area
142 m²
1528 sq ft
Energy rating
C
Score 76
Council tax
Band F
Tenure
Owner Occupied
About 12 Marine Gate Mansions
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
12 Marine Gate Mansions is a detached house in Southport (PR9 0AU). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1996-2002 and council tax band F. At 142 m² this is the 12th 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 2021) shows a C (score 76), near the top of the C band.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Across 2022–2025, sale prices on this property compounded at -2.4% per year. On a £-per-square-foot basis, the last sale (£236/sq ft) was about 27.9% above the typical sold price in the postcode. Sold January 2025 for £360,000.
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Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate
Jul 2021EPC Rating
A
B
C
C76
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.4 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 19 July 2031
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Late 20th centuryGround Floor FlatEPC C
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Planning history
Applications and permits filed against 12 Marine Gate Mansions, Promenade, Southport, PR9 0AU, sourced from the PlanIt planning register.
12 Marine Gate Mansions has 2 separate extension applications on the council record.
2 applications on record at 12 Marine Gate Mansions, Promenade, Southport, PR9 0AU
2decisions2extensions15nearby
Flagged:Listed building
- Jan 2004ConservatoryFullOutcome in report
Extension: Front of property
Erection of a conservatory to the front of the apartment
Extension- Reference
- N/2003/1186
- More recent applications — locked
- ConservatoryJan 2004Decision
Unlock 12 Marine Gate Mansions, Promenade, Southport, PR9 0AU's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 15 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£379,000
Modelled from EPC, postcode comparables and a sale-price growth of -2.4% per year over 3 years.
Last sold (2025)
£360,000
Growth on file: -2.4% per year over 3 years.
Sales timeline
23 January 2025Most recent
£360,000
-6.5%over 2 years6 April 2022
£385,000
Median price across the last 5 sales in PR9 0AU: £355,000 (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
£430,00031 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Apr 2023
£445,00027a Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Nov 2022
£269,00019 Marine Gate Mansions, Promenade, Southport, PR9 0AU
Sold Mar 2022
£316,600
Versus other Promenade homes
Four headline reads against 30 similar flats on this street, drawn from the latest EPC and Land Registry data.
12 Marine Gate Mansions is notably below the street on years held.
Price per m²
£2,535
Street avg £2,048
Floor Area
142 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
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Southport district page.
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
Modelled day and night-time noise levels around PR9 0AU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.2dB
Night-time· 23:00 – 07:00
42.3dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about 12 Marine Gate Mansions, Promenade, Southport, PR9 0AU. Each answer is also embedded as structured data for search engines.