Energy Performance Certificate
10, Adele Avenue
AL6 0AU
WELWYN
Current
C
70
Potential
C
77
At a Glance
About This Property
This semi-detached maisonette is located in WELWYN, AL6 0AU. The property offers 60m² (646 sq ft) of modest-sized living space with 3 habitable rooms. It is a post-war property from the mid-20th century. The property holds an EPC rating of C (70/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The walls feature cavity wall insulation for improved thermal efficiency. 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 £569, comprising £390 for heating, £84 for hot water, and £95 for lighting. The property produces 2.3 tonnes of CO2 per year, which is low for a UK home.
How Does 10, Adele Avenue Compare?
With an energy efficiency score of 70/100, this WELWYN property is above average, performing better than 60% of UK properties. Annual energy costs of £569 are approximately £1231 below the UK average of £1800, representing significant savings. With 60m² of space, this is a more compact property compared to the UK average of 87m². At 2.3 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 AL6 postcode district.
How This Property Compares
vs UK Average
vs WELWYN
vs AL6
National Ranking: With an EPC score of 70/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £447/year less than the WELWYN average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 25 Apr 2019
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
10, Adele Avenue
AL6 0AU
WELWYN
Property Type
Maisonette
Semi-Detached
Construction Age
England and Wales: 1967-1975
Floor Area
60.0 m²
3.0 total rooms
3.0 heated
Tenure
rental (private)
Efficiency Score
70 / 100
Potential: 77
CO₂ Emissions
2.3 tonnes/year
39 kg/m²
Energy Consumption
222 kWh/m²/year
Last Inspected
25 Apr 2019
rental (private)
About WELWYN
WELWYN is situated in Hertfordshire, East of England. Properties in WELWYN have an average EPC rating of D (score 62/100). Heating costs are £626 below the WELWYN average, offering good value. The AL6 postcode district contains over 3600 registered properties.
Location & Nearby Area
Scroll to load map
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£390.0/yr
Save £101/yr
Hot Water
£84.0/yr
Lighting
0.0% low energy
£95.0/yr
Save £48/yr
Building Elements
Walls
Cavity wall, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
No low energy lighting
Showing quick wins with fastest payback first
💰 Save £399/year
With 2 selected upgrades
Future Energy Price Simulator
Drag to see how rising prices affect your savings
Your Savings Today
£399/yr
£3,990 over 10 years
Move slider to see
£399/yr
£3,990 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.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Get FREE Quotes in Welwyn
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
St John's CofE Primary School
PrimaryLast inspected: Apr 2023
Harwood Hill Junior Mixed Infant and Nursery School
PrimaryLast inspected: Mar 2023
Homerswood Primary and Nursery School
PrimaryLast inspected: Jan 2019
Waterside Academy
PrimaryLast inspected: Jun 2022
The Holy Family Catholic Primary School
PrimaryLast inspected: Jul 2019
Monk's Walk School
SecondaryLast inspected: Sept 2023
Welwyn St Mary's Church of England Voluntary Aided Primary School
PrimaryLast inspected: Sept 2013
Templewood Primary School
PrimaryLast inspected: Oct 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: 321 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 Welwyn?
Find out with a 100% FREE quote - costs nothing, no obligation
Area Safety
The surrounding area (1-mile radius) has low crime compared to national averages
Most Common Incidents
April 2026violent crime
20 incidents (43%)
Anti-social behaviour
14 incidents (30%)
Public order
4 incidents (9%)
Vehicle crime
4 incidents (9%)
Criminal damage
2 incidents (4%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
More Properties in AL6 0AU
Showing properties in the same postcode. Click to view detailed EPC data for each property.
More Properties in the AL6 Area
Explore nearby properties with EPC ratings in the AL6 postcode district
All properties in AL6 • Click to view detailed energy performance data
Related Property Guides
Based on this property's characteristics, these guides might help you:
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.