17 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
About 17 Sir Briggs Avenue
17 Sir Briggs Avenue is a three-bedroom semi-detached house in Duffryn, Newport, Newport (NP10 8AU). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 2012-2021 and council tax band C. The latest certificate (July 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (June 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 84).
At 69 m² it sits well below the postcode median (112 m² across 21 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2015–2021, sale prices on this property compounded at 1.1% per year. Today's modelled estimate of £246,000 is 30.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 21.3% above the typical sold price in the postcode. Sold May 2021 for £189,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms3
- CloakroomYes
Outside
- DrivewayYes
Energy performance
17 Sir Briggs Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Floor insulation added or improved
Planning history
17 Sir Briggs Avenue has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.1% per year over 6 years.
£189,000
Growth on file: 1.1% per year over 6 years.
Sales timeline
16 May 2021Most recent
£189,000
+6.5%over 5 years22 June 2015
£177,495
Median price across the last 5 sales in NP10 8AU: £300,000 (2025–2022).
Nearby sales in NP10 8AU
1 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
Sold Jul 2025
£305,0006 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
Sold May 2025
£230,0003 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
Sold Apr 2023
£375,0008 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
Sold Sept 2022
£300,00018 Sir Briggs Avenue, Duffryn, Newport, NP10 8AU
Sold Jan 2022
£268,000
Versus other Sir Briggs Avenue homes
On floor area, 17 Sir Briggs Avenue runs well behind the street norm.
Price per m²
£2,739
Street avg £2,334
Floor Area
69 m²
Street avg 103 m²
CO₂ Emissions
1.3 t/year
Street avg 1.7 t/year
Years Held
5 years
Street avg 8 years
Similar properties nearby
1 Brigantine Drive
NP10 8EU
1 Brigantine Close
NP10 8ES
1 Castell Coch Drive
NP10 8HB
1 Bridesvale Gardens, St Brides Wentlooge
NP10 8SJ
1 Bronllys Grove
NP10 8EH
1 Buccaneer Close
NP10 8EP
1 Beaumaris Close, Rhiwderin
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1 Buccaneer Grove
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Steeplechase Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.







