Flagstaff House, Flat 10, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
About Flagstaff House
Flagstaff House is a property in Locks Heath, Southampton, Southampton (SO31 6BJ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (June 2026) returns a B (score 83), comfortably above the UK average. This certificate was lodged in the last six months, so the rating reflects current condition. At 69 m² this is the 11th smallest of 19 units on EPC record in Flagstaff House, where floor areas span 42–119 m². The building's EPC ratings span C to B, with this unit at the top.
Untraded for 22 years, with the last transfer in January 2005. Today's modelled estimate of £251,000 is 28.8% above the 2005 sale price.
Energy performance
Flagstaff House's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 14 June 2036
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Planning history
Flagstaff House has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£251,000
Modelled from EPC, postcode comparables.
£194,950
Recorded with HM Land Registry.
Sales timeline
7 January 2005Most recent
£194,950
Median price across the last 5 sales in SO31 6BJ: £195,000 (2025–2023).
Nearby sales in SO31 6BJ
Flagstaff House, Flat 14, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
Sold Jun 2025
£267,000Flagstaff House, Flat 16, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
Sold Jan 2025
£270,000Flagstaff House, Flat 1, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
Sold Jun 2023
£189,500Flagstaff House, Flat 3, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
Sold Jun 2023
£180,000Flagstaff House, Flat 4, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
Sold May 2023
£195,000
Versus other Heath Road homes
CO₂ Emissions for Flagstaff House runs comfortably ahead of the street norm.
Price per m²
£2,825
Street avg £3,273
Floor Area
69 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
0.9 t/year
Street avg 1.4 t/year
Similar properties nearby
Flagstaff House, Flat 11, 75 Heath Road, Locks Heath
SO31 6BJ
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The neighbourhood at a glance
Crime
233/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heath Road South — bus stop.
Closest school
0.7 km
Brookfield Community School. 11 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
50.6dB

Night-time· 23:00 – 07:00
38.7dB







