Energy Performance Certificate
11, Blakeney Close
N20 9LH
LONDON
Current
D
64
Potential
D
64
At a Glance
About This Property
This terraced house is located in LONDON, N20 9LH. The property offers 83.88m² (903 sq ft) of good-sized living space with 5 habitable rooms. It is a characterful interwar or early 20th century home. With an EPC rating of D (64/100), this property is around the UK average for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The solid walls lack insulation. Solid wall insulation (external or internal) typically costs £8,000-£14,000 but can reduce heat loss by up to 35% and improve your EPC rating by 1-2 bands. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £786, comprising £650 for heating, £90 for hot water, and £46 for lighting. The property produces 4.1 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in September 2021 for £650,000, with 2 recorded sales in our database.
How Does 11, Blakeney Close Compare?
With an energy efficiency score of 64/100, this LONDON property is around the national average for UK homes. Annual energy costs of £786 are approximately £1014 below the UK average of £1800, representing significant savings. At 4.1 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the N20 postcode district.
How This Property Compares
vs UK Average
vs LONDON
vs N20
National Ranking: With an EPC score of 64/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £242/year more than the LONDON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 6 Feb 2012
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Property Information
Full Address
11, Blakeney Close
N20 9LH
LONDON
Property Type
House
Mid-Terrace
Construction Age
England and Wales: 1930-1949
Floor Area
83.88 m²
5.0 total rooms
5.0 heated
Tenure
owner-occupied
Efficiency Score
64 / 100
Potential: 64
CO₂ Emissions
4.1 tonnes/year
49 kg/m²
Energy Consumption
234 kWh/m²/year
Last Inspected
6 Feb 2012
marketed sale
About LONDON
LONDON is situated in North London, London. Properties in LONDON have an average EPC rating of D (score 64/100). The N20 postcode district contains over 7100 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the LONDON area.
Location & Nearby Area
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Property Sale History
£650,000
30 September 2021
Type: Terraced
vs previous sale
£538,000
28 May 2015
Type: Terraced
Market Insights: This property has sold 2 times since 2015. Value has increased by 20.8% over this period.
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£650.0/yr
Hot Water
£90.0/yr
Lighting
100.0% low energy
£46.0/yr
Building Elements
Walls
Solid brick, as built, no insulation (assumed)
Roof
Pitched, 100 mm loft insulation
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in all fixed outlets
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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
Alma Primary
PrimaryLast inspected: Jul 2023
St John's CofE Primary and Nursery School
PrimaryLast inspected: Jul 2022
Queenswell Junior School
PrimaryLast inspected: Jun 2023
Queenswell Infant & Nursery School
PrimaryLast inspected: Jun 2023
All Saints' CofE Primary School N20
PrimaryLast inspected: Oct 2018
Finchley Catholic High School
SecondaryLast inspected: Mar 2018
Sacred Heart Roman Catholic Primary School
PrimaryLast inspected: Jun 2023
St Andrew's CofE Voluntary Aided Primary School, Totteridge
PrimaryLast inspected: Mar 2022
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.