Energy Performance Certificate
1, Grange Hill
AL6 9RH
WELWYN
Current
F
34
Potential
C
75
This F-Rated Property Costs Significantly More to Run
This Property
£1,826
estimated per year
UK Average
£1,800
per year
After Improvements
£886
potential per year
This property costs approximately £26 more per year than the UK average. Recommended improvements could save up to £940 annually.
💰 Government Grants Available for This Property
🏛️ BUS Grant
£7,500
Off the cost of an air source heat pump. Available now — limited places.
Check Eligibility →🏠 ECO4 Scheme
Free
Free insulation & heating upgrades for eligible households on benefits or low income.
Check Eligibility →📉 0% VAT
Save ~20%
Zero VAT on heat pumps, insulation, and solar panels until 2027. Applies automatically.
Get Solar Quote →How to Improve This F-Rated Property
With the right upgrades, this property could reach a C rating — saving up to £940 per year. Improvements are ranked by return on investment.
Showing quick wins with fastest payback first
💰 Save £2,390/year
With 4 selected upgrades
Future Energy Price Simulator
Drag to see how rising prices affect your savings
Your Savings Today
£2,390/yr
£23,900 over 10 years
Move slider to see
£2,390/yr
£23,900 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Loft Insulation
Your roof is rated Poor. Cheapest upgrade with fastest payback — top up to 270mm.
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
Solar Panels + Battery
Your bungalow 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.
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Why Does This Property Have a F Rating?
This detached bungalow is located in WELWYN, AL6 9RH. The property offers 94m² (1012 sq ft) of good-sized living space with 4 habitable rooms. It is a post-war property from the mid-20th century. Currently rated F (34/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a C rating (75/100). 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 £1826, comprising £1539 for heating, £189 for hot water, and £98 for lighting. The property produces 8.6 tonnes of CO2 per year, which is high for a UK home.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 23 Jul 2015
What's Causing the Poor Energy Rating?
The EPC assessor rated each element of this property. Poor and average ratings are the biggest opportunities for improvement.
🧱 Walls
Cavity wall, as built, no insulation (assumed)
🏗️ Roof
Pitched, 25 mm loft insulation
🪟 Windows
Fully double glazed
📦 Floor
Solid, no insulation (assumed)
🔥 Heating
Warm air, mains gas
🚿 Hot Water
NaN
💡 Lighting
33.0% low energy — Low energy lighting in 33% of fixed outlets
Property Information
Full Address
1, Grange Hill
AL6 9RH
WELWYN
Property Type
Bungalow
Detached
Construction Age
England and Wales: 1967-1975
Floor Area
94.0 m²
4.0 total rooms
CO₂ Emissions
8.6 tonnes/year
91 kg/m²
Energy Consumption
498 kWh/m²/year
F-Rated Properties in WELWYN
WELWYN properties with F ratings are among the least energy efficient in the area. Properties in this postcode district (AL6) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
Location & Nearby Area
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Annual Running Costs — Current vs Potential
🔥 Heating
Warm air, mains gas
£1539 /yr
Save £811/yr with improvements
🚿 Hot Water
£189 /yr
Save £90/yr with improvements
💡 Lighting
33.0% low energy
£98 /yr
Save £39/yr with improvements
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Nearby Schools
Within 3 miles of this property
Welwyn St Mary's Church of England Voluntary Aided Primary School
PrimaryLast inspected: Sept 2013
Oaklands Primary School
PrimaryLast inspected: Jul 2023
Monk's Walk School
SecondaryLast inspected: Sept 2023
Homerswood Primary and Nursery School
PrimaryLast inspected: Jan 2019
Codicote Church of England Primary School
PrimaryLast inspected: Nov 2013
Harwood Hill Junior Mixed Infant and Nursery School
PrimaryLast inspected: Mar 2023
St John's CofE Primary School
PrimaryLast inspected: Apr 2023
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: 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.
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Area Safety
The surrounding area (1-mile radius) experiences very low crime levels
Most Common Incidents
April 2026Theft
4 incidents (29%)
violent crime
3 incidents (21%)
Anti-social behaviour
2 incidents (14%)
Criminal damage
2 incidents (14%)
Drugs
1 incidents (7%)
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 9RH
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
About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented.
Data Sources: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, Police.uk crime statistics.
Public sector information licensed under the Open Government Licence v3.0.