Flagstaff House, Flat 18, 75 Heath Road, Locks Heath, Southampton, SO31 6BJ
About Flagstaff House
Flagstaff House is a mid-terrace house in Locks Heath, Southampton, Southampton (SO31 6BJ). It has a recorded floor area of 113 m² (around 1212 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (July 2010) returns a B (score 81), comfortably above the UK average. The latest certificate is from July 2010, so improvements made since then won't be reflected. At 113 m² this is the 16th smallest of 18 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.
At 113 m² the property is well over the postcode median (67 m² across 17 EPCs), placing it in the larger end of the local stock. Across 2007–2014, sale prices on this property compounded at -1.4% per year. Today's modelled estimate of £292,000 is 16.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£206/sq ft) was about 25.6% below the postcode norm. Last changed hands 12 years ago, in January 2014.
Energy performance
Flagstaff House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Jul 2020
EPC Rating
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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
Flagstaff House saw 3 transfers in just over a decade — high turnover for the postcode.
£292,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.4% per year over 7 years.
£249,950
Growth on file: -1.4% per year over 7 years.
Sales timeline
24 January 2014Most recent
£249,950
+0.8%over 2 years14 August 2011
£248,000
-9.8%over 4 years4 July 2007
£275,000
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
Flagstaff House is notably below the street on price per m².
Price per m²
£2,220
Street avg £3,331
Floor Area
113 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 1.3 t/year
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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







