Energy Performance Certificate
Flat 1, 19a Duke Street
CM1 1HL
CHELMSFORD
Current
D
57
Potential
D
57
At a Glance
About This Property
This semi-detached flat is located in CHELMSFORD, CM1 1HL. The property offers 41m² (441 sq ft) of compact living space. With an EPC rating of D (57/100), this property is around the UK average for energy efficiency. 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 £815, comprising £607 for heating, £167 for hot water, and £41 for lighting. The property produces 2.3 tonnes of CO2 per year, which is low for a UK home.
How Does Flat 1 Compare?
With an energy efficiency score of 57/100, this CHELMSFORD property is around the national average for UK homes. Annual energy costs of £815 are approximately £985 below the UK average of £1800, representing significant savings. With 41m² of space, this is a more compact property compared to the UK average of 87m². At 2.3 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 CM1 postcode district.
How This Property Compares
vs UK Average
vs CHELMSFORD
vs CM1
National Ranking: With an EPC score of 57/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £123/year more than the CHELMSFORD average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 18 Jun 2020
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Property Information
Full Address
Flat 1
19a Duke Street
CM1 1HL
CHELMSFORD
Property Type
Flat
Semi-Detached
Construction Age
NO DATA!
Floor Area
41.0 m²
NaN total rooms
NaN heated
Tenure
unknown
Efficiency Score
57 / 100
Potential: 57
CO₂ Emissions
2.3 tonnes/year
56 kg/m²
Energy Consumption
334 kWh/m²/year
Last Inspected
18 Jun 2020
new dwelling
About CHELMSFORD
CHELMSFORD is situated in Essex, East of England. Properties in CHELMSFORD have an average EPC rating of D (score 63/100). The CM1 postcode district contains over 24600 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Room heaters, electric
£607.0/yr
Hot Water
£167.0/yr
Lighting
100.0% low energy
£41.0/yr
Building Elements
Walls
Average thermal transmittance 1.14 W/m-¦K
Roof
(other premises above)
Windows
Single glazed
Floor
Average thermal transmittance 0.18 W/m-¦K
Heating System
Room heaters, electric
Main Fuel
Electricity: electricity, unspecified tariff
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
The Cathedral Church of England Voluntary Aided Primary School, Chelmsford
PrimaryLast inspected: Nov 2021
King Edward VI Grammar School, Chelmsford
SecondaryLast inspected: Dec 2021
Our Lady Immaculate Catholic Primary School
PrimaryLast inspected: Jan 2023
Maltese Road Primary School
PrimaryLast inspected: May 2018
Chelmsford County High School for Girls
SecondaryTrinity Road Primary School
PrimaryLast inspected: Mar 2020
Oaklands Infant School
PrimaryKings Road Primary School
PrimaryLast inspected: Jan 2020
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: 299 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.