Flagstaff House, Flat 21, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
About Flagstaff House
Flagstaff House is a two-bedroom end-of-terrace house in Locks Heath, Southampton, Southampton (SO31 6BJ). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 2003-2006 and council tax band D. At 119 m² this is the largest unit on EPC record across Flagstaff House (42–119 m²). The building's EPC ratings span C to B, with this unit at the top. The latest certificate (January 2021) returns a B (score 82), comfortably above the UK average.
Held since November 2004 — that's 22 years off the open market, well above the local norm. At 119 m² the property is well over the postcode median (67 m² across 17 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£203/sq ft) was about 24.9% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Communal gardenYes
- ParkingYes
Building
- LiftYes
Energy performance
EPC Rating
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.
From £545 · Includes VAT
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
Flagstaff House valuation sits well clear of the typical sold price in this postcode.
£283,000
Modelled from EPC, postcode comparables.
£259,950
Recorded with HM Land Registry.
Sales timeline
11 November 2004Most recent
£259,950
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
Price per m² for Flagstaff House lags the street by a wide margin.
Price per m²
£2,184
Street avg £3,334
Floor Area
119 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 1.4 t/year
Similar properties nearby
Flagstaff House, Flat 11, 75 Heath Road, Locks Heath
SO31 6BJ
Flagstaff House, Flat 1, 75 Heath Road, Locks Heath
SO31 6BJ
Belfry Court, Flat 4, 140 Hunts Pond Road, Park Gate
SO31 6RE
Belfry Court, Flat 5, 140 Hunts Pond Road, Park Gate
SO31 6RE
Belfry Court, Flat 3, 140 Hunts Pond Road, Park Gate
SO31 6RE
Belfry Court, Flat 1, 140 Hunts Pond Road, Park Gate
SO31 6RE
Belfry Court, Flat 2, 140 Hunts Pond Road, Park Gate
SO31 6RE
Belfry Court, Flat 6, 140 Hunts Pond Road, Park Gate
SO31 6RE
The neighbourhood at a glance
Crime
4/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







