Energy Performance Certificate
Flat B, 30 Glenthorne Road
N11 3HJ
LONDON
Current
G
19
Potential
E
49
This G-Rated Property Costs Significantly More to Run
This Property
£986
estimated per year
UK Average
£1,800
per year
After Improvements
£543
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 £443 per year. Improvements are ranked by return on investment.
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With 3 selected upgrades
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Your Savings Today
£1,105/yr
£11,050 over 10 years
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£1,105/yr
£11,050 over 10 years
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Cavity Wall Insulation
Your walls are rated Very Poor. Cavity fill is quick and cost-effective.
New A-Rated Boiler
Your heating is rated Very Poor. Compare local boiler installers.
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 detached flat is located in LONDON, N11 3HJ. The property offers 33.76m² (363 sq ft) of compact living space with 2 habitable rooms. It is a period property with Victorian or earlier origins. Currently rated G (19/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a E rating (49/100). The walls feature cavity wall insulation for improved thermal efficiency. Double glazing is installed, though the efficiency rating suggests older units. Modern low-E double glazing can be up to 40% more efficient than units installed before 2002. Estimated annual energy costs are £986, comprising £726 for heating, £243 for hot water, and £17 for lighting. The property produces 3.7 tonnes of CO2 per year, which is low for a UK home.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 19 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
(another dwelling above)
🪟 Windows
Fully double glazed
📦 Floor
(other premises below)
🔥 Heating
Room heaters, electric
🚿 Hot Water
NaN
💡 Lighting
100.0% low energy — Low energy lighting in all fixed outlets
Property Information
Full Address
Flat B
30 Glenthorne Road
N11 3HJ
LONDON
Property Type
Flat
Detached
Construction Age
England and Wales: before 1900
Floor Area
33.76 m²
2.0 total rooms
CO₂ Emissions
3.7 tonnes/year
110 kg/m²
Energy Consumption
733 kWh/m²/year
G-Rated Properties in LONDON
LONDON properties with G ratings are among the least energy efficient in the area. Properties in this postcode district (N11) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
Location & Nearby Area
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Annual Running Costs — Current vs Potential
🔥 Heating
Room heaters, electric
£726 /yr
Save £412/yr with improvements
🚿 Hot Water
£243 /yr
Save £31/yr with improvements
💡 Lighting
100.0% low energy
£17 /yr
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Nearby Schools
Within 3 miles of this property
Holly Park Primary School
PrimaryLast inspected: Nov 2018
Friern Barnet School
SecondaryLast inspected: Oct 2018
St John's CofE Junior Mixed and Infant School
PrimaryLast inspected: Sept 2023
St Paul's CofE Primary School N11
PrimaryLast inspected: Mar 2019
St Andrew the Apostle Greek Orthodox School
SecondaryLast inspected: Nov 2018
The Compton School
SecondaryLast inspected: Jan 2018
Our Lady of Lourdes Catholic Primary School
PrimaryLast inspected: Oct 2021
Garfield Primary School
PrimaryLast inspected: Mar 2019
About school ratings: Ofsted ratings range from Outstanding to Inadequate. These ratings are based on inspections of teaching quality, leadership, pupil behavior, and safety. Note that school catchment areas vary - check with the school or local council for admission details.
Data source: School information from Get Information About Schools (GIAS). Distances are approximate. Always verify school catchment areas directly with the school or local education authority.
Broadband & Connectivity
Average download speed: 500 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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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.