1a, Mansion Road, Southampton, SO15 3LJ
About 1a
1a is a detached house in Southampton (SO15 3LJ). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 2007 onwards. The latest certificate (May 2014) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 91). The latest certificate is from May 2014, so improvements made since then won't be reflected.
Across 2015–2023, sale prices on this property compounded at 8.8% per year. Today's modelled estimate of £216,000 is 16.4% above the 2023 sale price. Most recent transfer: September 2023 at £185,500.
Energy performance
1a's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 May 2024
EPC Rating
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Planning history
1a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£216,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 8 years.
£185,500
Growth on file: 8.8% per year over 8 years.
Sales timeline
20 September 2023Most recent
£185,500
+98.4%over 8 years22 July 2015
£93,500
Versus other Mansion Road homes
EPC Rating for 1a runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 68 (D)
Floor Area
51 m²
Street avg 56 m²
CO₂ Emissions
1.5 t/year
Street avg 3.2 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Napier House — bus stop.
Closest school
0.2 km
Freemantle Church of England Community Academy. 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
53.8dB

Night-time· 23:00 – 07:00
44.8dB







