16a, High Street, Portsmouth, PO1 2LP
About 16a
16a is a detached house in Portsmouth (PO1 2LP). It has a recorded floor area of 76 m² (around 818 sq ft) and construction records dating it to before 1900. The latest certificate (September 2024) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in May 2009 the rating was G, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good. The recommended improvements would push it to D (score 64). At 76 m² this is the 2nd smallest of 3 units on EPC record in 16a, where floor areas span 68–76 m². The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 65).
At 76 m² it sits well below the postcode median (132 m² across 16 EPCs), making it one of the more compact homes locally.
Everything you need to know about 16a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
16a has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
16a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£310,000
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 PO1 2LP: £582,000 (2022–2015).
Nearby sales in PO1 2LP
Versus other High Street homes
On habitable rooms, 16a stands well clear of the street.
EPC Rating
52 (E)
Street avg 49 (E)
Floor Area
76 m²
Street avg 64 m²
CO₂ Emissions
4.4 t/year
Street avg 4.3 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 16a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Portsmouth Grammar School — bus stop.
Closest school
0.1 km
St Jude's CofE Primary School. 28 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
52.1dB
Night-time· 23:00 – 07:00
43.4dB