1a, Castle Street, Newport, NP20 2DF
About 1a
1a is a three-bedroom end-of-terrace house in Newport (NP20 2DF). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2018) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2002–2019, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £158,000 sits 50.5% above the 2019 sale of £105,000. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 54.8% above the typical sold price in the postcode. At 72 m² it sits well below the postcode median (104 m² across 19 EPCs), making it one of the more compact homes locally. Last sale on file: £105,000 in November 2019. Across the public record there are 4 sales, relatively high churn for a single property.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Hot water system upgraded
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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
1a 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
Sale price has grown by over 3x since 2002.
£158,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 17 years.
£105,000
Growth on file: 6.8% per year over 17 years.
Sales timeline
22 November 2019Most recent
£105,000
+69.4%over 3 years30 March 2016
£62,000
-33.6%over 9 years30 November 2006
£93,333
+174.5%over 4 years29 August 2002
£34,000
Median price across the last 5 sales in NP20 2DF: £135,000 (2025–2018).
Nearby sales in NP20 2DF
Versus other Castle Street homes
Floor Area for 1a lags the street by a wide margin.
Price per m²
£1,458
Street avg £850
Floor Area
72 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 5.0 t/year
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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.







