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Get started6 Cefn Adda Close is a four-bedroom semi-detached house in Newport (NP20 3DR). It has a recorded floor area of 107 m² (around 1152 sq ft) and construction records dating it to 2012 onwards. The latest certificate (June 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (March 2015); the latest reading is one band lower. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 91). Other recorded features include a conservatory.
Sale prices here have outpaced Newport HPI: 5.3% per year against 0.2% for the wider region. On a £-per-square-foot basis, the last sale (£256/sq ft) was about 30.8% above the typical sold price in the postcode. At 107 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. It changed hands recently, sold September 2025 for £295,000. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved.
6 Cefn Adda Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
6 Cefn Adda Close has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
ERECTION OF SINGLE STOREY REAR EXTENSION
6 Cefn Adda Close valuation sits well clear of the typical sold price in this postcode.
£279,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 10 years.
£295,000
Growth on file: 5.3% per year over 10 years.
6 Cefn Adda Close is notably below the street on years held.
Price per m²
£2,757
Street avg £2,272
Floor Area
107 m²
Street avg 81 m²
Habitable Rooms
6 rooms
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cardiff Road Post Office — bus stop.
17 September 2025Most recent
£295,000
+22.9%over 4 years16 October 2020
£239,995
+37.9%over 5 years29 June 2015
£173,995
Median price across the last 5 sales in NP20 3DR: £180,000 (2025–2024).
Street avg 6 rooms
CO₂ Emissions
2.0 t/year
Street avg 1.2 t/year
NP20 3GE
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