Energy Performance Certificate
99 Porter Close
RM20 4AS
GRAYS
Current
D
63
Potential
C
78
At a Glance
About This Property
This flat is located in GRAYS, RM20 4AS. The property offers 43m² (463 sq ft) of compact living space with 2 habitable rooms. It is a 1990s-era home. With an EPC rating of D (63/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (78/100). The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. 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 £1169, comprising £781 for heating, £324 for hot water, and £64 for lighting. The property produces 0.7 tonnes of CO2 per year, which is very low for a UK home. The property last sold in February 2020 for £149,995.
How Does 99 Porter Close Compare?
With an energy efficiency score of 63/100, this GRAYS property is around the national average for UK homes. Annual energy costs of £1169 are approximately £631 below the UK average of £1800, representing significant savings. With 43m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 0.7 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 RM20 postcode district.
How This Property Compares
vs UK Average
vs GRAYS
vs RM20
National Ranking: With an EPC score of 63/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £595/year more than the GRAYS average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 30 Sept 2025
Advertisement
Planning a Move? Get Expert Removals
We Got The Moves are professional removal specialists helping families and businesses move across the UK. Get a free, no-obligation quote today.
Ad • wegotthemove.co.uk
Property Information
Full Address
99 Porter Close
RM20 4AS
GRAYS
Property Type
Flat
Not Recorded
Construction Age
England and Wales: 1996-2002
Floor Area
43.0 m²
2.0 total rooms
2.0 heated
Tenure
Owner-occupied
Efficiency Score
63 / 100
Potential: 78
CO₂ Emissions
0.7 tonnes/year
16 kg/m²
Energy Consumption
171 kWh/m²/year
Last Inspected
30 Sept 2025
marketed sale
About GRAYS
GRAYS is situated in Essex, East of England. Properties in GRAYS have an average EPC rating of D (score 63/100). Heating costs are £207 above the local average, suggesting room for improvement. The RM20 postcode district contains over 2700 registered properties.
Location & Nearby Area
Scroll to load map
Property Sale History
£149,995
11 February 2020
Type: Flat
Annual Energy Costs
Heating
Room heaters, electric
£781.0/yr
Save £358/yr
Hot Water
£324.0/yr
Save £32/yr
Lighting
60.0% low energy
£64.0/yr
Save £25/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 100 mm loft insulation
Windows
Fully double glazed
Floor
(another dwelling below)
Heating System
Room heaters, electric
Main Fuel
electricity (not community)
Lighting
Below average lighting efficiency
Showing quick wins with fastest payback first
💰 Save £923/year
With 3 selected upgrades
Future Energy Price Simulator
Drag to see how rising prices affect your savings
Your Savings Today
£923/yr
£9,230 over 10 years
Move slider to see
£923/yr
£9,230 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
New A-Rated Boiler
Your heating is rated Poor. Compare local boiler installers.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Double Glazing
Your windows are rated Poor. Modern A-rated double glazing reduces drafts and heat loss.
Get FREE Quotes in Grays
Compare prices from trusted local tradesmen - no obligation, 100% free
Trusted by thousands of UK homeowners
Advertisement
📊 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
Harris Primary Academy Mayflower
PrimaryLast inspected: May 2017
Harris Academy Chafford Hundred
SecondaryLast inspected: Nov 2011
Harris Primary Academy Chafford Hundred
PrimaryLast inspected: Sept 2018
West Thurrock Academy
PrimaryLast inspected: Jul 2022
Belmont Castle Academy
PrimaryLast inspected: May 2021
Warren Primary School
PrimaryLast inspected: May 2023
Thames Park Secondary School
SecondaryLast inspected: Jan 2023
Tudor Court Primary School
PrimaryLast inspected: Mar 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: 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.
Getting Ripped Off by Your Local Tradesman in Grays?
Find out with a 100% FREE quote - costs nothing, no obligation
More Properties in RM20 4AS
Showing properties in the same postcode. Click to view detailed EPC data for each property.
More Properties in the RM20 Area
Explore nearby properties with EPC ratings in the RM20 postcode district
All properties in RM20 • Click to view detailed energy performance data
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.
How Much Does a Low EPC Cost You? →
The financial impact of poor energy efficiency on resale value and running costs.
What is a Good EPC Rating? →
Understanding A-G ratings, what each means, and how UK properties compare.
Advertisement
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.