11a, Flat 5, Griffin Street, Newport, NP20 1GN
About 11a
11a is a property in Newport (NP20 1GN). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1900-1929. At 51 m² this is the smallest unit on EPC record across 11a (51–92 m²). The building's EPC ratings span F to E, with this unit at the top. The latest certificate (March 2026) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in July 2016 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 51 m² it sits well below the postcode median (77 m² across 4 EPCs), making it one of the more compact homes locally.
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 3 March 2036
Property Improvements
Changes detected from historical EPC data
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
11a 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
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£129,000
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.
Versus other Griffin Street homes
Floor Area for 11a lags the street by a wide margin.
EPC Rating
40 (E)
Street avg 39 (F)
Floor Area
51 m²
Street avg 78 m²
CO₂ Emissions
1.0 t/year
Street avg 3.9 t/year
Everything you need to know about 11a
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
11a, Flat 1, Griffin Street
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15 17, Flat 2, Skinner Street
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12a, Flat 7, Upper Dock Street
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11a, Flat 3, Griffin Street
NP20 1GN
12a, Flat 14, Upper Dock Street
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11a, Flat 2, Griffin Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
321/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Market Square 16 — bus station.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.