Energy Performance Certificate
12, Chalfont Close
SS9 4NF
LEIGH-ON-SEA
Current
C
74
Potential
C
74
At a Glance
About This Property
This semi-detached house is located in LEIGH-ON-SEA, SS9 4NF. The property offers 118.35m² (1274 sq ft) of good-sized living space with 6 habitable rooms. It is a post-war property from the mid-20th century. The property holds an EPC rating of C (74/100), meeting the government's target standard for energy efficiency. The property benefits from a highly efficient gas central heating system, likely a modern condensing boiler achieving 90%+ efficiency. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. 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 £710, comprising £517 for heating, £131 for hot water, and £62 for lighting. The property produces 3.3 tonnes of CO2 per year, which is low for a UK home.
How Does 12, Chalfont Close Compare?
With an energy efficiency score of 74/100, this LEIGH-ON-SEA property is above average, performing better than 60% of UK properties. Annual energy costs of £710 are approximately £1090 below the UK average of £1800, representing significant savings. The 118.35m² floor area is above the UK average of 87m². At 3.3 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 SS9 postcode district.
How This Property Compares
vs UK Average
vs LEIGH-ON-SEA
vs SS9
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 LEIGH-ON-SEA average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 1 Apr 2011
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Property Information
Full Address
12, Chalfont Close
SS9 4NF
LEIGH-ON-SEA
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1950-1966
Floor Area
118.35 m²
6.0 total rooms
6.0 heated
Tenure
owner-occupied
Efficiency Score
74 / 100
Potential: 74
CO₂ Emissions
3.3 tonnes/year
32 kg/m²
Energy Consumption
191 kWh/m²/year
Last Inspected
1 Apr 2011
marketed sale
About LEIGH-ON-SEA
LEIGH-ON-SEA is situated in Essex, East of England. Properties in LEIGH-ON-SEA have an average EPC rating of D (score 56/100). This property performs better than most homes in the area. Heating costs are £305 below the LEIGH-ON-SEA average, offering good value. The SS9 postcode district contains over 16200 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the LEIGH-ON-SEA area.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£517.0/yr
Hot Water
£131.0/yr
Lighting
92.0% low energy
£62.0/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, insulated (assumed)
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
Low energy lighting in 92% of 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
Fairways Primary School
PrimaryLast inspected: Jul 2023
Blenheim Primary School
PrimaryLast inspected: Jan 2020
The Eastwood Academy
SecondaryLast inspected: Dec 2018
Eastwood Primary School & Nursery
PrimaryLast inspected: Jun 2023
Edwards Hall Primary School
PrimaryBelfairs Academy
SecondaryLast inspected: May 2023
Westcliff High School for Girls
SecondaryWest Leigh Junior School
PrimaryLast inspected: Nov 2021
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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All properties in SS9 • Click to view detailed energy performance data
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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.