100d, Flat 1, St Mary Street, Southampton, SO14 1PB
About 100d
100d is an end-of-terrace house in Southampton (SO14 1PB). It has a recorded floor area of 30 m² (around 323 sq ft) and construction records dating it to 2003-2006. At 30 m² this is the 2nd smallest of 6 units on EPC record in 100d, where floor areas span 29–34 m². On EPC score it ranks last in the building (77 versus a best of 79). The latest certificate (September 2024) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (December 2008); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average and main heating dropped from Very Good to Good.
At 30 m² it sits well below the postcode median (76 m² across 11 EPCs), making it one of the more compact homes locally.
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Energy performance
100d's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 16 September 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
More low energy lighting installed
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Planning history
100d 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
100d has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£132,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SO14 1PB: £225,000 (2023–2015).
Nearby sales in SO14 1PB
96a, St Mary Street, Southampton, SO14 1PB
Sold Dec 2023
£225,00097a, St Mary Street, Southampton, SO14 1PB
Sold Nov 2021
£270,00095a, St Mary Street, Southampton, SO14 1PB
Sold Dec 2019
£187,50097 St Mary Street, Southampton, SO14 1PB
Sold Aug 2018
£245,00096 St Mary Street, Southampton, SO14 1PB
Sold Mar 2015
£170,000
Versus other St Mary Street homes
100d is notably below the street on epc rating.
EPC Rating
77 (C)
Street avg 78 (C)
Floor Area
30 m²
Street avg 32 m²
CO₂ Emissions
0.9 t/year
Street avg 0.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 100d
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
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The neighbourhood at a glance
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Solent University — bus stop.
Closest school
0.2 km
St Mary's Church of England Primary School & Nursery. 31 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
56.4dB
Night-time· 23:00 – 07:00
46.2dB