15 Allt Yr Yn Avenue, Newport, NP20 5DA
About 15 Allt Yr Yn Avenue
15 Allt Yr Yn Avenue is a five-bedroom detached house in Newport (NP20 5DA). It has a recorded floor area of 251 m² (around 2702 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (April 2026) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, roof efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 76). This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a basement. Records show the property has been extended at some point in its history.
Untraded for 24 years, with the last transfer in September 2002. At 251 m² the property is well over the postcode median (146 m² across 8 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £521,000 sits 221.6% above the 2002 sale of £162,000. On a £-per-square-foot basis, the last sale (£60/sq ft) was about 60.4% below the postcode norm. 3 planning records sit against the property, 2 approved, 1 refused.
What this property has
Inside
- Bedrooms5
- BasementYes
Building
- Previously extendedYes
Energy performance
15 Allt Yr Yn Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 14 April 2036
Property Improvements
Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
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Planning history
3 applications on record at 15 Allt Yr Yn Avenue, Newport, NP20 5DA
- Dec 2003RenovationFullOutcome in report
ALTERATIONS TO BUILDING INCLUDING RAISING OF ROOF RIDGE HEIGHT AND FRONT ELEVATION EAVES LEVEL
- Documents
- 3 docs on file
- Reference
- 03/1592
- More recent applications — locked
- ConditionsJun 2006Decision
- RenovationAug 2005Decision
Unlock 15 Allt Yr Yn Avenue, Newport, NP20 5DA's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
15 Allt Yr Yn Avenue's estimated value is more than triple its earliest registered sale price (2002).
£521,000
Modelled from EPC, postcode comparables.
£162,000
Recorded with HM Land Registry.
Sales timeline
26 September 2002Most recent
£162,000
Median price across the last 5 sales in NP20 5DA: £318,000 (2022–2016).
Nearby sales in NP20 5DA
Versus other Allt Yr Yn Avenue homes
15 Allt Yr Yn Avenue is notably below the street on price per m².
Price per m²
£645
Street avg £2,220
Floor Area
251 m²
Street avg 151 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
8.5 t/year
Street avg 6.9 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
321/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Allt-yr-yn Avenue (Bottom) — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







