Griffin House, Flat 13, Griffin Street, Newport, NP20 1GL
About Griffin House
Griffin House is a mid-terrace house in Newport (NP20 1GL). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (June 2015) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2009. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 69). The latest certificate is from June 2015, so improvements made since then won't be reflected. At 31 m² this is the 3rd smallest of 17 units on EPC record in Griffin House, where floor areas span 19–87 m². The building's EPC ratings span E to C across 17 units on file.
Today's modelled estimate of £116,000 is 39.6% below the 2019 sale of £192,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£575/sq ft) was about 125.9% above the typical sold price in the postcode. At 31 m² it's 15.1% smaller than the typical home in the postcode (37 m² median across 44 EPCs). Sold August 2019 for £192,000.
Everything you need to know about Griffin House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Griffin House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water system changed
Single glazing replaced with double or better glazing
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Griffin House 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
£116,000
Modelled from EPC, postcode comparables.
£192,000
Recorded with HM Land Registry.
Sales timeline
29 August 2019Most recent
£192,000
Median price across the last 3 sales in NP20 1GL: £85,000 (2018–2004).
Versus other Griffin Street homes
On price per m², Griffin House stands well clear of the street.
Price per m²
£6,194
Street avg £3,004
Floor Area
31 m²
Street avg 40 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.8 t/year
Everything you need to know about Griffin House
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
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 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.