Energy Performance Certificate
39B Danvers Street
SW3 5AY
LONDON
Current
C
74
Potential
C
80
At a Glance
About This Property
This flat is located in LONDON, SW3 5AY. The property offers 34m² (366 sq ft) of compact living space with 3 habitable rooms. It is a characterful interwar or early 20th century home. The property holds an EPC rating of C (74/100), meeting the government's target standard 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. Single glazing is a significant source of heat loss, accounting for up to 25% of a home's heat escaping through windows. Upgrading to double glazing typically costs £400-£600 per window but improves thermal comfort and can reduce noise by up to 30dB. Estimated annual energy costs are £432, comprising £284 for heating, £124 for hot water, and £24 for lighting. The property produces 1.0 tonnes of CO2 per year, which is very low for a UK home.
How Does 39B Danvers Street Compare?
With an energy efficiency score of 74/100, this LONDON property is above average, performing better than 60% of UK properties. Annual energy costs of £432 are approximately £1368 below the UK average of £1800, representing significant savings. With 34m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 1.0 tonnes/year are less than half the UK household average, making this an environmentally friendly choice.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the SW3 postcode district.
How This Property Compares
vs UK Average
vs LONDON
vs SW3
National Ranking: With an EPC score of 74/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £112/year less than the LONDON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 27 Jun 2025
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Property Information
Full Address
39B Danvers Street
SW3 5AY
LONDON
Property Type
Flat
Not Recorded
Construction Age
England and Wales: 1900-1929
Floor Area
34.0 m²
3.0 total rooms
3.0 heated
Tenure
Owner-occupied
Efficiency Score
74 / 100
Potential: 80
CO₂ Emissions
1.0 tonnes/year
31 kg/m²
Energy Consumption
170 kWh/m²/year
Last Inspected
27 Jun 2025
marketed sale
About LONDON
LONDON is situated in South West London, London. Properties in LONDON have an average EPC rating of D (score 64/100). Heating costs are £260 below the LONDON average, offering good value. The SW3 postcode district contains over 13800 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£284.0/yr
Save £106/yr
Hot Water
£124.0/yr
Lighting
100.0% low energy
£24.0/yr
Building Elements
Walls
Solid brick, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Single glazed
Floor
(another dwelling below)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Good lighting efficiency
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Your Savings Today
£652/yr
£6,520 over 10 years
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£652/yr
£6,520 over 10 years
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External Wall Insulation
Your walls are rated Poor. External insulation can dramatically reduce heat loss.
Double Glazing
Your windows are rated Very Poor. Modern A-rated double glazing reduces drafts and heat loss.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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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
Park Walk Primary School
PrimaryLast inspected: Nov 2021
Ashburnham Community School
PrimaryLast inspected: Mar 2015
Christ Church CofE Primary School
PrimaryLast inspected: Jun 2013
Westbridge Academy
PrimaryLast inspected: Nov 2022
Servite RC Primary School
PrimaryLast inspected: Dec 2021
Oratory Roman Catholic Primary School
PrimaryLast inspected: Sept 2023
Chelsea Academy
SecondaryLast inspected: Sept 2023
Saint John Bosco College
SecondaryLast inspected: Oct 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.