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Get started1 Cefn Adda Close is a four-bedroom detached house in Newport (NP20 3DR). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 2012-2021 and council tax band F. The latest certificate (August 2025) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (February 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to B (score 82).
At 111 m² the property is well over the postcode median (71 m² across 62 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £347,000 sits 66% above the 2015 sale of £209,000. Last changed hands 11 years ago, in March 2015.
1 Cefn Adda Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
1 Cefn Adda Close valuation sits well clear of the typical sold price in this postcode.
£347,000
Modelled from EPC, postcode comparables.
£209,000
Recorded with HM Land Registry.
1 Cefn Adda Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£1,883
Street avg £2,288
Floor Area
111 m²
Street avg 81 m²
Habitable Rooms
7 rooms
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cardiff Road Post Office — bus stop.
31 March 2015Most recent
£209,000
Median price across the last 5 sales in NP20 3DR: £185,000 (2025–2024).
Street avg 5 rooms
CO₂ Emissions
1.9 t/year
Street avg 1.2 t/year
NP20 3GE
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