Energy Performance Certificate
Flat 2, Highfield
TN15 6XN
SEVENOAKS
Current
D
57
Potential
C
70
At a Glance
About This Property
This terraced maisonette is located in SEVENOAKS, TN15 6XN. The property offers 303m² (3261 sq ft) of generously-sized living space with 8 habitable rooms. It is a period property with Victorian or earlier origins. With an EPC rating of D (57/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (70/100). Heating is provided by oil-fired central heating. While effective, oil prices can be volatile and the system produces higher carbon emissions than gas or heat pumps. 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 £3214, comprising £2671 for heating, £284 for hot water, and £259 for lighting. The property produces 13.0 tonnes of CO2 per year, which is high for a UK home.
How Does Flat 2 Compare?
With an energy efficiency score of 57/100, this SEVENOAKS property is around the national average for UK homes. Energy costs of £3214 annually are £1414 above the UK average. Improvements could reduce bills significantly. At 303m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 13.0 tonnes/year are above average. Energy improvements could significantly reduce the property's carbon footprint.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the TN15 postcode district.
How This Property Compares
vs UK Average
vs SEVENOAKS
vs TN15
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: £2218/year more than the SEVENOAKS average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 17 May 2025
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Property Information
Full Address
Flat 2
Highfield
Row Dow Lane
TN15 6XN
SEVENOAKS
Property Type
Maisonette
Mid-Terrace
Construction Age
England and Wales: before 1900
Floor Area
303.0 m²
8.0 total rooms
8.0 heated
Tenure
Owner-occupied
Efficiency Score
57 / 100
Potential: 70
CO₂ Emissions
13.0 tonnes/year
42 kg/m²
Energy Consumption
176 kWh/m²/year
Last Inspected
17 May 2025
marketed sale
About SEVENOAKS
SEVENOAKS is situated in Kent, South East. Properties in SEVENOAKS have an average EPC rating of D (score 60/100). Heating costs are £1675 above the local average, suggesting room for improvement. The TN15 postcode district contains over 7000 registered properties. Like many SEVENOAKS properties, this home features period architecture with character typical of Victorian-era construction.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, oil
£2671.0/yr
Save £898/yr
Hot Water
£284.0/yr
Save £64/yr
Lighting
69.0% low energy
£259.0/yr
Building Elements
Walls
Solid brick, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Single glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, oil
Main Fuel
oil (not community)
Lighting
Low energy lighting in 69% of fixed outlets
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£1,350/yr
£13,500 over 10 years
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£1,350/yr
£13,500 over 10 years
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Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
External Wall Insulation
Your walls are rated Very 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.
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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
Otford Primary School
PrimaryLast inspected: Oct 2023
Kemsing Primary School
PrimaryLast inspected: Jul 2022
Shoreham Village School
PrimaryLast inspected: Mar 2019
Seal Church of England Voluntary Controlled Primary School
PrimaryTrinity School
SecondaryLast inspected: Oct 2018
Dunton Green Primary School
PrimaryLast inspected: Jul 2018
Knole Academy
SecondaryLast inspected: Nov 2022
Sevenoaks Primary School
PrimaryLast inspected: Apr 2023
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: 30 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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Related Property Guides
Based on this property's characteristics, these guides might help you:
How to Improve Your EPC Rating →
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Air Source Heat Pumps vs Gas Boilers →
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
Average Energy Bills by Property Type →
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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.