21 Allt Yr Yn Close, Newport, NP20 5ED
About 21 Allt Yr Yn Close
21 Allt Yr Yn Close is a three-bedroom semi-detached house in Newport (NP20 5ED). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (May 2016) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2009. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Average. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from May 2016, so improvements made since then won't be reflected. Other recorded features include a loft. Period features are noted in the property record. Records show the property has been extended at some point in its history.
Across 2003–2016, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £360,000 sits 61.8% above the 2016 sale of £222,500. At 114 m² it's 20.6% larger than the typical home in the postcode (95 m² median across 26 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). On the market in August 2016 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
- StudyYes
- LoftYes
Outside
- Private gardenYes
- ParkingOff road
Building
- Heating systemGas
- Period featuresYes
- Previously extendedYes
Energy performance
21 Allt Yr Yn Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 May 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
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Planning history
21 Allt Yr Yn Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Allt Yr Yn Close valuation sits well clear of the typical sold price in this postcode.
£360,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 13 years.
£222,500
Growth on file: 2.8% per year over 13 years.
Sales timeline
30 August 2016Most recent
£222,500
+43.5%over 13 years28 August 2003
£155,000
Median price across the last 5 sales in NP20 5ED: £332,000 (2025–2021).
Nearby sales in NP20 5ED
Versus other Allt Yr Yn Close homes
CO₂ Emissions for 21 Allt Yr Yn Close lags the street by a wide margin.
Price per m²
£1,952
Street avg £2,422
Floor Area
114 m²
Street avg 94 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.6 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Blaen Y Pant Place
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1 Bryn Bevan
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1 Allt Yr Yn View
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1 Aragon Street
NP20 5NN
1 Brynglas Avenue
NP20 5LR
1 Brynglas Crescent
NP20 5LT
1 Barrack Hill
NP20 5FR
1 Argyle Street
NP20 5NE
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Allt-yr-yn Tennis Club — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







