100 Tamar House, James Street, Devonport, Plymouth, PL1 4HJ
About 100 Tamar House
100 Tamar House is a semi-detached house in Devonport, Plymouth, Plymouth (PL1 4HJ). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1950-1966 and council tax band A. At 34 m² this is the 18th smallest of 89 units on EPC record in the building, where floor areas span 31–64 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2016) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it B (May 2009); the latest reading is 2 bands lower. Between certificates, wall efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Very Poor and lighting dropped from Good to Very Poor. The recommended improvements would push it to C (score 70). The latest certificate is from June 2016, so improvements made since then won't be reflected.
At 34 m² it sits well below the postcode median (50 m² across 88 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).
Everything you need to know about 100 Tamar House
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Energy performance
100 Tamar House's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Jun 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Wall insulation improved
Low energy lighting percentage decreased
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Planning history
100 Tamar House has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
100 Tamar House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£113,000
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 2 sales in PL1 4HJ: £17,750 (2000–1997).
Nearby sales in PL1 4HJ
Versus other James Street homes
EPC Rating for 100 Tamar House lags the street by a wide margin.
EPC Rating
65 (D)
Street avg 70 (C)
Floor Area
34 m²
Street avg 48 m²
CO₂ Emissions
1.5 t/year
Street avg 1.6 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Everything you need to know about 100 Tamar House
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
James Street — bus stop.
Closest school
0.2 km
Mount Wise Community Primary School. 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
47.3dB
Night-time· 23:00 – 07:00
37.9dB