Marion House, Flat 20, Bastins Close, Park Gate, Southampton, SO31 1DZ
About Marion House
Marion House is a two-bedroom end-of-terrace 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. 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 bottom. On EPC score it ranks last in the building (79 versus a best of 85). The latest certificate (April 2022) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (January 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Across 2006–2014, sale prices on this property compounded at -1.6% per year. Today's modelled estimate of £183,000 is 36.6% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 20.1% below the postcode norm. Last changed hands 12 years ago, in November 2014.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- GarageYes
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
Heating controls changed
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
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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
£183,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.6% per year over 8 years.
£134,000
Growth on file: -1.6% per year over 8 years.
Sales timeline
7 November 2014Most recent
£134,000
-11.8%over 8 years31 October 2006
£151,995
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
Price per m² for Marion House lags the street by a wide margin.
Price per m²
£2,062
Street avg £2,705
Floor Area
65 m²
Street avg 59 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.1 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







