Flat 7, 335 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
About Flat 7
Flat 7 is a two-bedroom end-of-terrace house in Lower Swanwick, Southampton, Southampton (SO31 7GT). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (August 2023) returns a B (score 82), comfortably above the UK average. When first surveyed in January 2009 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while main heating dropped from Poor to Very Poor. Main heating runs on electricity. At 82 m² this is the 4th smallest of 10 units on EPC record in the building, where floor areas span 76–106 m². The building's EPC ratings span E to B, with this unit at the top. On EPC score it ranks first in the building (82 versus a worst of 49). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony and notable views.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2015–2024, sale prices on this property compounded at -6.3% per year. Today's modelled estimate of £207,000 is 26.7% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£185/sq ft) was about 32% below the postcode norm. Sold May 2024 for £163,416.
What this property has
Inside
- Bedrooms2
- Open-plan layoutYes
- EnsuiteYes
Outside
- ParkingYes
- BalconyYes
- Notable viewsYes
Building
- Underfloor heatingYes
Energy performance
Flat 7 ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 7 August 2033
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Flat 7 has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of -6.3% per year over 9 years.
£163,416
Growth on file: -6.3% per year over 9 years.
Sales timeline
23 May 2024Most recent
£163,416
-43.6%over 8 years30 July 2015
£290,000
Median price across the last 5 sales in SO31 7GT: £371,500 (2025–2023).
Nearby sales in SO31 7GT
221 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
Sold Feb 2025
£520,000281 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
Sold Mar 2024
£265,000291 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
Sold Jul 2023
£330,000286 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
Sold Jun 2023
£405,000Flat 5, 335 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT
Sold May 2023
£371,500
Versus other Swanwick Lane homes
On price per m², Flat 7 runs well behind the street norm.
Price per m²
£1,993
Street avg £3,435
Floor Area
82 m²
Street avg 82 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.7 t/year
Street avg 3.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
233/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Swanwick Lane — bus stop.
Closest school
1.3 km
Bursledon Church of England Infant School. 9 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
56.0dB

Night-time· 23:00 – 07:00
49.8dB







