The Lennox Building, 46 Mercator Close, Southampton, SO16 4HW
About The Lennox Building
The Lennox Building is a one-bedroom detached house in Southampton (SO16 4HW). It has a recorded floor area of 44 m² (around 474 sq ft) and council tax band A. The latest certificate (January 2017) returns an A (score 92), the top energy band on the EPC scale. At 44 m² this is the smallest unit on EPC record across The Lennox Building (44–57 m²). The building's EPC ratings span B to A, with this unit at the top. Other recorded features include a balcony.
At 44 m² it's 27.9% smaller than the typical home in the postcode (61 m² median across 51 EPCs). Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). Sold November 2023 for £148,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
Outside
- Communal gardenYes
- ParkingAllocated
- BalconyYes
Energy performance
The Lennox Building's carbon output is low for the local stock.
EPC Rating
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Planning history
The Lennox Building has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The Lennox Building valuation runs notably under the typical sold price in this postcode.
£155,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.3% per year over 7 years.
£148,000
Growth on file: 0.3% per year over 7 years.
Sales timeline
30 November 2023Most recent
£148,000
+2.1%over 6 years27 January 2017
£145,000
Median price across the last 5 sales in SO16 4HW: £210,000 (2025–2023).
Nearby sales in SO16 4HW
23 Mercator Close, Southampton, SO16 4HW
Sold Oct 2025
£360,000The Cassini Building, 35 Mercator Close, Southampton, SO16 4HW
Sold Mar 2025
£203,000The Cassini Building, 31 Mercator Close, Southampton, SO16 4HW
Sold Oct 2024
£178,000The Cassini Building, 28 Mercator Close, Southampton, SO16 4HW
Sold Aug 2023
£210,00021 Mercator Close, Southampton, SO16 4HW
Sold Feb 2023
£335,000
Versus other Mercator Close homes
The Lennox Building is notably below the street on floor area.
Price per m²
£3,364
Street avg £3,061
Floor Area
44 m²
Street avg 56 m²
CO₂ Emissions
0.1 t/year
Street avg 0.2 t/year
Years Held
3 years
Street avg 7 years
Similar properties nearby
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SO16 4QL
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maybush Corner — bus stop.
Closest school
0.5 km
Oasis Academy Lord's Hill. 27 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
52.9dB

Night-time· 23:00 – 07:00
43.4dB







