253 Devonshire Avenue
PO4 9EE
Cert ID 8435-0829-5509-0288-3226
Last inspected
28 Nov 2025
Lodged
28 Nov 2025
Property type
Maisonette
Local authority
Portsmouth
Current vs potential efficiency
Current
47
out of 100
Potential
67
out of 100
Improvement headroom
+20
points achievable
Following the recommended upgrades would lift this property by 20 points.
About this property
- Property type
- Maisonette
- Built form
- Not Recorded
- Total floor area
- 82 m²
- Construction age band
- England and Wales: 1950-1966
- Main fuel
- electricity (not community)
- Transaction type
- Rental
- Energy consumption
- 245 kWh/m²/yr
- CO₂ emissions
- 1 kgCO₂/m²/yr
- Environmental impact score
- 77 / 100
Address
Data sourced from the Department for Levelling Up, Housing and Communities under the Open Government Licence v3.0. The official record is at find-energy-certificate.service.gov.uk.
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