4a, Mellon Street, Newport, NP20 1EP
About 4a
4a is a mid-terrace house in Newport (NP20 1EP). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to before 1900. The latest certificate (October 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2018. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 72). At 63 m² this is the 10th smallest of 26 units on EPC record in the building, where floor areas span 32–108 m². The building's EPC ratings span E to C across 26 units on file.
Today's modelled estimate of £148,000 sits 92.2% above the 2022 sale of £77,000. On a £-per-square-foot basis, the last sale (£114/sq ft) was about 23% above the typical sold price in the postcode. At 63 m² it's 23.2% smaller than the typical home in the postcode (82 m² median across 25 EPCs). Last sale on file: £77,000 in December 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
4a 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£148,000
Modelled from EPC, postcode comparables.
£77,000
Recorded with HM Land Registry.
Sales timeline
22 December 2022Most recent
£77,000
Median price across the last 5 sales in NP20 1EP: £120,000 (2024–2022).
Nearby sales in NP20 1EP
Versus other Mellon Street homes
Floor Area for 4a runs comfortably ahead of the street norm.
EPC Rating
63 (D)
Street avg 61 (D)
Floor Area
63 m²
Street avg 43 m²
CO₂ Emissions
3.0 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Kingsway Centre — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







