Energy Performance Certificate
1 Nelson Road
PO1 4NA
PORTSMOUTH
Current
G
15
Potential
E
43
This G-Rated Property Costs Significantly More to Run
This Property
£1,125
estimated per year
UK Average
£1,800
per year
After Improvements
£657
potential per year
💰 Government Grants Available for This Property
🏛️ BUS Grant
£7,500
Off the cost of an air source heat pump. Available now — limited places.
Check Eligibility →🏠 ECO4 Scheme
Free
Free insulation & heating upgrades for eligible households on benefits or low income.
Check Eligibility →📉 0% VAT
Save ~20%
Zero VAT on heat pumps, insulation, and solar panels until 2027. Applies automatically.
Get Solar Quote →How to Improve This G-Rated Property
With the right upgrades, this property could reach a E rating — saving up to £468 per year. Improvements are ranked by return on investment.
Showing quick wins with fastest payback first
💰 Save £2,271/year
With 5 selected upgrades
Future Energy Price Simulator
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Your Savings Today
£2,271/yr
£22,710 over 10 years
Move slider to see
£2,271/yr
£22,710 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Loft Insulation
Your roof is rated Poor. Cheapest upgrade with fastest payback — top up to 270mm.
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
New A-Rated Boiler
Your heating is rated Very Poor. Compare local boiler installers.
Solar Panels + Battery
Your bungalow is ideal for solar. OVO: UK's #1 green energy supplier.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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Why Does This Property Have a G Rating?
This semi-detached bungalow is located in PORTSMOUTH, PO1 4NA. The property offers 44.86m² (483 sq ft) of compact living space with 2 habitable rooms. Currently rated G (15/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a E rating (43/100). The walls feature cavity wall insulation for improved thermal efficiency. The flat roof has poor insulation. Flat roof insulation is more complex but essential for preventing heat loss and condensation issues, typically costing £1,000-£3,000 depending on access and method. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £1125, comprising £886 for heating, £216 for hot water, and £23 for lighting. The property produces 4.3 tonnes of CO2 per year, which is moderate for a UK home.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 6 Nov 2009
What's Causing the Poor Energy Rating?
The EPC assessor rated each element of this property. Poor and average ratings are the biggest opportunities for improvement.
🧱 Walls
Cavity wall, as built, no insulation (assumed)
🏗️ Roof
Flat, limited insulation
🪟 Windows
Mostly double glazing
📦 Floor
Suspended, no insulation (assumed)
🔥 Heating
Room heaters, electric
🚿 Hot Water
NaN
💡 Lighting
80.0% low energy — Low energy lighting in 80% of fixed outlets
Property Information
Full Address
1 Nelson Road
PO1 4NA
PORTSMOUTH
Property Type
Bungalow
Semi-Detached
Floor Area
44.86 m²
2.0 total rooms
CO₂ Emissions
4.3 tonnes/year
112 kg/m²
Energy Consumption
745 kWh/m²/year
G-Rated Properties in PORTSMOUTH
PORTSMOUTH properties with G ratings are among the least energy efficient in the area. Properties in this postcode district (PO1) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
Annual Running Costs — Current vs Potential
🔥 Heating
Room heaters, electric
£886 /yr
Save £353/yr with improvements
🚿 Hot Water
£216 /yr
Save £117/yr with improvements
💡 Lighting
80.0% low energy
£23 /yr
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Broadband & Connectivity
Average download speed: 69 Mbps
Download Speed
Upload Speed
Available Providers
What do these speeds mean? 10-30 Mbps: Good for browsing and streaming. 30-100 Mbps: Great for multiple users and HD streaming. 100-300 Mbps: Excellent for 4K streaming and gaming. 300+ Mbps: Perfect for large households and heavy internet use.
Data source: Broadband speeds are from Ofcom Connected Nations 2025 report (July 2025 release). Data shows typical speeds available in this postcode area. Actual speeds at this specific property may vary depending on line quality, distance from exchange, and chosen provider. Always verify availability with providers before committing.
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More Properties in the PO1 Area
Explore nearby properties with EPC ratings in the PO1 postcode district
All properties in PO1 • Click to view detailed energy performance data
About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented.
Data Sources: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, Police.uk crime statistics.
Public sector information licensed under the Open Government Licence v3.0.