27 Castle Street, Newport, NP20 2DF
About 27 Castle Street
27 Castle Street is an end-of-terrace house in Newport (NP20 2DF). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2024) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.
Untraded for 29 years, with the last transfer in December 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £136,000 sits 580% above the 1997 sale of £20,000. On a £-per-square-foot basis, the last sale (£20/sq ft) was about 79% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
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 £820 · Includes VAT
Planning history
27 Castle Street has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
27 Castle Street's modelled value sits at over four times its earliest registered sale price (1997).
£136,000
Modelled from EPC, postcode comparables.
£20,000
Recorded with HM Land Registry.
Sales timeline
1 December 1997Most recent
£20,000
Median price across the last 5 sales in NP20 2DF: £135,000 (2025–2019).
Nearby sales in NP20 2DF
Versus other Castle Street homes
27 Castle Street is notably below the street on price per m².
Price per m²
£217
Street avg £953
Floor Area
92 m²
Street avg 102 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 5.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Library — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







