Energy Performance Certificate
5 Dewars Close
AL6 9RR
WELWYN
Current
C
73
Potential
C
80
At a Glance
About This Property
This detached house is located in WELWYN, AL6 9RR. The property offers 196m² (2110 sq ft) of generously-sized living space with 9 habitable rooms. It is a post-war property from the mid-20th century. The property holds an EPC rating of C (73/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. Triple-glazed windows provide excellent insulation, reducing heat loss by up to 40% compared to single glazing and offering superior noise reduction of up to 35dB. Estimated annual energy costs are £1121, comprising £840 for heating, £127 for hot water, and £154 for lighting. The property produces 5.5 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in October 2023 for £995,000.
How Does 5 Dewars Close Compare?
With an energy efficiency score of 73/100, this WELWYN property is above average, performing better than 60% of UK properties. Annual energy costs of £1121 are approximately £679 below the UK average of £1800, representing significant savings. At 196m², this property is significantly larger than the average UK home (87m²).
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 73/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £105/year more than the WELWYN average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 24 Jan 2022
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Property Information
Full Address
5 Dewars Close
AL6 9RR
WELWYN
Property Type
House
Detached
Construction Age
England and Wales: 1967-1975
Floor Area
196.0 m²
9.0 total rooms
9.0 heated
Tenure
Owner-occupied
Efficiency Score
73 / 100
Potential: 80
CO₂ Emissions
5.5 tonnes/year
28 kg/m²
Energy Consumption
159 kWh/m²/year
Last Inspected
24 Jan 2022
marketed sale
About WELWYN
WELWYN is situated in Hertfordshire, East of England. Properties in WELWYN have an average EPC rating of D (score 62/100). This property performs better than most homes in the area. The AL6 postcode district contains over 3600 registered properties.
Location & Nearby Area
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Property Sale History
£995,000
27 October 2023
Type: Detached
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£840.0/yr
Hot Water
£127.0/yr
Save £47/yr
Lighting
73.0% low energy
£154.0/yr
Save £34/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
Flat, insulated
Windows
Fully triple glazed
Floor
Suspended, insulated
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 73% of fixed outlets
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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
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
Harwood Hill Junior Mixed Infant and Nursery School
PrimaryLast inspected: Mar 2023
Codicote Church of England Primary School
PrimaryLast inspected: Nov 2013
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
3 incidents (23%)
violent crime
3 incidents (23%)
Anti-social behaviour
2 incidents (15%)
Criminal damage
2 incidents (15%)
Drugs
1 incidents (8%)
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 9RR
Showing properties in the same postcode. Click to view detailed EPC data for each property.
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All properties in AL6 • Click to view detailed energy performance data
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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.