Energy Performance Certificate
4 Windsor Close
N3 3ST
London
Current
D
55
Potential
B
81
At a Glance
About This Property
This terraced house is located in London, N3 3ST. The property offers 111m² (1195 sq ft) of good-sized living space with 5 habitable rooms. It is built during the 1980s construction period. With an EPC rating of D (55/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a B rating (81/100). The walls feature cavity wall insulation for improved thermal efficiency. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £1343, comprising £801 for heating, £429 for hot water, and £113 for lighting. The property produces 5.3 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in November 2021 for £779,500.
How Does 4 Windsor Close Compare?
With an energy efficiency score of 55/100, this London property is around the national average for UK homes. At £1343 per year, energy costs are below the national average of £1800. The 111m² floor area is above the UK average of 87m².
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the N3 postcode district.
How This Property Compares
vs UK Average
vs London
vs N3
National Ranking: With an EPC score of 55/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £956/year more than the London average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 22 Apr 2021
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Property Information
Full Address
4 Windsor Close
N3 3ST
London
Property Type
House
End-Terrace
Construction Age
England and Wales: 1976-1982
Floor Area
111.0 m²
5.0 total rooms
5.0 heated
Tenure
Owner-occupied
Efficiency Score
55 / 100
Potential: 81
CO₂ Emissions
5.3 tonnes/year
48 kg/m²
Energy Consumption
276 kWh/m²/year
Last Inspected
22 Apr 2021
marketed sale
About London
London is situated in North London, London. Properties in London have an average EPC rating of C (score 75/100). There is potential to improve this property's energy efficiency to match local standards. Heating costs are £414 above the local average, suggesting room for improvement. The N3 postcode district contains over 10000 registered properties.
Location & Nearby Area
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Property Sale History
£779,500
30 November 2021
Type: Semi-Detached
Annual Energy Costs
Heating
Warm air, mains gas
£801.0/yr
Save £295/yr
Hot Water
£429.0/yr
Save £210/yr
Lighting
64.0% low energy
£113.0/yr
Save £30/yr
Building Elements
Walls
Cavity wall, as built, partial insulation (assumed)
Roof
Pitched, 50 mm loft insulation
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Warm air, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 64% of fixed outlets
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Loft Insulation
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📊 Compare with UK-Wide Property Data
See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Nearby Schools
Within 3 miles of this property
Pardes House Primary School
PrimaryLast inspected: May 2021
Chalgrove Primary School
PrimaryLast inspected: May 2022
Hasmonean High School for Boys
SecondaryLast inspected: Nov 2012
St Mary's CofE Primary School
PrimaryLast inspected: Nov 2021
Akiva School
PrimaryLast inspected: Jul 2023
St Theresa's Catholic Primary School
PrimaryLast inspected: Mar 2019
Brookland Junior School
PrimaryLast inspected: Dec 2022
Brookland Infant and Nursery School
PrimaryLast inspected: Oct 2013
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. Learn more about EPCs or book an EPC assessment.
Cost estimates are approximate and actual savings may vary. Find local tradesmen to get accurate quotes for improvements.
Data Sources: This report contains public sector information licensed under the Open Government Licence v3.0.
Data from: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, and Police.uk crime statistics.