Marion House, Flat 21, Bastins Close, Park Gate, Southampton, SO31 1DZ
About Marion House
Marion House is a two-bedroom semi-detached house in Park Gate, Southampton, Southampton (SO31 1DZ). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 2003-2006 and council tax band B. The latest certificate (January 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in June 2011 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. At 65 m² this is the 14th smallest of 19 units on EPC record in Marion House, where floor areas span 35–74 m². The building's EPC ratings span C to B, with this unit at the top.
Last sold in March 2016, so it's been off the market for around 10 years. Across 2006–2016, sale prices on this property compounded at -1% per year. Today's modelled estimate of £177,000 is 14.9% above the 2016 sale price.
What this property has
Inside
- Bedrooms2
Outside
- ParkingAllocated
Building
- Heating systemGas
Energy performance
Marion House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
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Planning history
Marion House 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
£177,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.0% per year over 9 years.
£154,000
Growth on file: -1.0% per year over 9 years.
Sales timeline
18 March 2016Most recent
£154,000
-8.9%over 9 years1 December 2006
£168,995
Median price across the last 5 sales in SO31 1DZ: £176,500 (2025–2020).
Nearby sales in SO31 1DZ
Marion House, Flat 5, Bastins Close, Park Gate, Southampton, SO31 1DZ
Sold Sept 2025
£190,000Marion House, Flat 9, Bastins Close, Park Gate, Southampton, SO31 1DZ
Sold Jan 2024
£176,500Marion House, Flat 1, Bastins Close, Park Gate, Southampton, SO31 1DZ
Sold Oct 2023
£217,000Marion House, Flat 11, Bastins Close, Park Gate, Southampton, SO31 1DZ
Sold Jun 2020
£164,000Marion House, Flat 4, Bastins Close, Park Gate, Southampton, SO31 1DZ
Sold Oct 2019
£168,000
Versus other Bastins Close homes
On price per m², Marion House runs well behind the street norm.
Price per m²
£2,369
Street avg £2,688
Floor Area
65 m²
Street avg 59 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.2 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lower Duncan Road — bus stop.
Closest school
0.5 km
Park Gate Primary School. 10 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
58.8dB

Night-time· 23:00 – 07:00
50.6dB







