Energy Performance Certificate
1a, Allison Grove
SE21 7ER
LONDON
Current
D
65
Potential
C
75
At a Glance
About This Property
This semi-detached house is located in LONDON, SE21 7ER. The property offers 223m² (2400 sq ft) of generously-sized living space with 10 habitable rooms. It is a post-war property from the mid-20th century. With an EPC rating of D (65/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (75/100). The walls feature cavity wall insulation for improved thermal efficiency. The roof space has been converted to living space, with insulation between the rafters. Estimated annual energy costs are £1528, comprising £1199 for heating, £150 for hot water, and £179 for lighting. The property produces 8.3 tonnes of CO2 per year, which is high for a UK home. The property last sold in September 2019 for £1,800,000.
How Does 1a, Allison Grove Compare?
With an energy efficiency score of 65/100, this LONDON property is around the national average for UK homes. At £1528 per year, energy costs are below the national average of £1800. At 223m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 8.3 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 SE21 postcode district.
How This Property Compares
vs UK Average
vs LONDON
vs SE21
National Ranking: With an EPC score of 65/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £984/year more than the LONDON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 8 Jun 2012
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
1a, Allison Grove
SE21 7ER
LONDON
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1950-1966
Floor Area
223.0 m²
10.0 total rooms
10.0 heated
Tenure
owner-occupied
Efficiency Score
65 / 100
Potential: 75
CO₂ Emissions
8.3 tonnes/year
37 kg/m²
Energy Consumption
184 kWh/m²/year
Last Inspected
8 Jun 2012
marketed sale
About LONDON
LONDON is situated in South East London, London. Properties in LONDON have an average EPC rating of D (score 64/100). Heating costs are £655 above the local average, suggesting room for improvement. The SE21 postcode district contains over 5300 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the LONDON area.
Location & Nearby Area
Scroll to load map
Property Sale History
£1,800,000
26 September 2019
Type: Semi-Detached
Annual Energy Costs
Heating
Warm air, mains gas
£1199.0/yr
Save £93/yr
Hot Water
£150.0/yr
Save £52/yr
Lighting
0.0% low energy
£179.0/yr
Save £90/yr
Building Elements
Walls
Cavity wall, as built, no insulation (assumed)
Roof
Roof room(s), ceiling insulated
Windows
Full secondary glazing
Floor
Solid, no insulation (assumed)
Heating System
Warm air, mains gas
Main Fuel
mains gas (not community)
Lighting
No low energy lighting
Showing quick wins with fastest payback first
💰 Save £1,485/year
With 3 selected upgrades
Future Energy Price Simulator
Drag to see how rising prices affect your savings
Your Savings Today
£1,485/yr
£14,850 over 10 years
Move slider to see
£1,485/yr
£14,850 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Get FREE Quotes in London
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
Dulwich Hamlet Junior School
PrimaryLast inspected: Mar 2023
Dulwich Village Church of England Infants' School
PrimaryLast inspected: Oct 2023
St Anthony's Catholic Primary School
PrimaryLast inspected: Nov 2021
Rosendale Primary School
PrimaryKingsdale Foundation School
SecondaryLast inspected: Mar 2023
Dulwich Wood Primary School
PrimaryLast inspected: Jul 2022
Heber Primary School
PrimaryLast inspected: Oct 2019
Goodrich Community 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: 165 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 London?
Find out with a 100% FREE quote - costs nothing, no obligation
More Properties in SE21 7ER
Showing properties in the same postcode. Click to view detailed EPC data for each property.
More Properties in the SE21 Area
Explore nearby properties with EPC ratings in the SE21 postcode district
All properties in SE21 • 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.
Average Energy Bills by Property Type →
Compare your energy costs with UK averages. See if you're paying too much.
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.