Home Checkup

Energy Performance Certificate

40a Cobham Street

DA11 0SA

GRAVESEND

Current

D

68

Potential

C

78

At a Glance

About This Property

This terraced flat is located in GRAVESEND, DA11 0SA. The property offers 76m² (818 sq ft) of modest-sized living space with 3 habitable rooms. It is a characterful interwar or early 20th century home. With an EPC rating of D (68/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (78/100). 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 £665, comprising £486 for heating, £97 for hot water, and £82 for lighting. The property produces 2.9 tonnes of CO2 per year, which is low for a UK home. For landlords: This rental property with a D rating is positioned above the current minimum standard. With proposed changes to require a C rating by 2028, modest improvements now could future-proof your compliance.

How Does 40a Cobham Street Compare?

With an energy efficiency score of 68/100, this GRAVESEND property is around the national average for UK homes. Annual energy costs of £665 are approximately £1135 below the UK average of £1800, representing significant savings. At 2.9 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 DA11 postcode district.

📊

How This Property Compares

🇬🇧

vs UK Average

This property68
Average60
+13% better
🏘️

vs GRAVESEND

This property68
Average62
+10% better
📮

vs DA11

This property68
Average63
+8% better

National Ranking: With an EPC score of 68/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.

Top 55% nationally

Energy Costs: At the local average

Energy Efficiency Rating

📊 Official EPC Register Data
A92-100
B81-91
C69-80
Potential
D55-68
Current
E39-54
F21-38
G1-20

Current Rating

D(68 points)

Potential Rating

C(78 points)

With recommended improvements

Based on assessment dated 23 Oct 2018

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Property Information

📍

Full Address

40a Cobham Street

DA11 0SA

GRAVESEND

🏠

Property Type

Flat

Mid-Terrace

📅

Construction Age

England and Wales: 1900-1929

📐

Floor Area

76.0

3.0 total rooms

3.0 heated

🔑

Tenure

rental (private)

Efficiency Score

68 / 100

Potential: 78

🌍

CO₂ Emissions

2.9 tonnes/year

38 kg/m²

📊

Energy Consumption

216 kWh/m²/year

🔍

Last Inspected

23 Oct 2018

rental (private)

📍

About GRAVESEND

GRAVESEND is situated in Kent, South East. Properties in GRAVESEND have an average EPC rating of D (score 62/100). The DA11 postcode district contains over 14600 registered properties.

🗺️

Location & Nearby Area

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Annual Energy Costs

🔥

Heating

Boiler and radiators, mains gas

£486.0/yr

Save £202/yr

🚿

Hot Water

£97.0/yr

💡

Lighting

50.0% low energy

£82.0/yr

Save £26/yr

Building Elements

🧱

Walls

Solid brick, as built, no insulation (assumed)

Very Poor
🏗️

Roof

Pitched, 100 mm loft insulation

Average
🪟

Windows

Single glazed

Very Poor
📦

Floor

(another dwelling below)

NO DATA!
🔥

Heating System

Boiler and radiators, mains gas

Good

Main Fuel

mains gas (not community)

💡

Lighting

Low energy lighting in 50% of fixed outlets

Good
My Priority Is...

Showing quick wins with fastest payback first

💰 Save £777/year

With 3 selected upgrades

⚡ Bill-Free Living(inc. solar export income)
Journey to A
DA
19,500
Property Value Boost
Investment
£22,500
Payback
~29 yrs
Current Costs
£665/yr
🔮

Future Energy Price Simulator

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0%
Today's Prices
Today+10%+20%+30%+40%+50%

Your Savings Today

£777/yr

£7,770 over 10 years

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£777/yr

£7,770 over 10 years

Build Your Upgrade Plan

Sorted by best return on investment (quick wins first)

1
🧱

External Wall Insulation

Your walls are rated Very Poor. External insulation can dramatically reduce heat loss.

Save £400/yrPayback: ~30 years+8 EPC points
£12,000
Cost
2
🪟

Double Glazing

Your windows are rated Very Poor. Modern A-rated double glazing reduces drafts and heat loss.

Save £150/yrPayback: ~47 years+2 EPC points
£7,000
Cost
3
🌱

Air Source Heat Pump

Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.

Save £227/yrPayback: ~15 years+10 EPC points
🏛️ £7,500 BUS Grant Available
£3,500
£11,000
Cost

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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

Wrotham Road Primary School

Primary
📍0.2 miles awayDA11 0QF

Last inspected: Oct 2022

Good

Holy Trinity Church of England Primary School

Primary
📍0.4 miles awayDA12 1LU

Last inspected: Oct 2023

Good

Mayfield Grammar School, Gravesend

Secondary
📍0.4 miles awayDA11 0JE

Last inspected: Jun 2013

Outstanding

Chantry Community Academy

Primary
📍0.5 miles awayDA12 2RL

Last inspected: Jan 2022

Good

Cecil Road Primary and Nursery School

Primary
📍0.7 miles awayDA11 7BT

Last inspected: Dec 2019

Good

Copperfield Academy

Primary
📍0.7 miles awayDA11 0RB

Last inspected: May 2021

Good

Gravesend Grammar School

Secondary
📍0.8 miles awayDA12 2PR

Last inspected: Jun 2015

Outstanding

Saint George's Church of England School

All-through
📍0.9 miles awayDA11 7LS

Last inspected: Oct 2023

Good

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.

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Broadband & Connectivity

🚀Ultrafast Broadband

Average download speed: 500 Mbps

⚡ Gigabit Available
⬇️

Download Speed

Minimum:30 Mbps
Average:500 Mbps
Maximum:1000 Mbps
⬆️

Upload Speed

Minimum:50 Mbps
Average:200 Mbps
Maximum:200 Mbps

Available Providers

Virgin MediaHyperopticBTSkyTalkTalk

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.

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