Energy Performance Certificate
Tewin Water Grange, Tewin Water
AL6 0AB
WELWYN
Current
C
76
Potential
C
79
At a Glance
About This Property
This detached house is located in WELWYN, AL6 0AB. The property offers 384m² (4133 sq ft) of generously-sized living space with 8 habitable rooms. It is a modern property built in the 2000s. The property holds an EPC rating of C (76/100), 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 property has modern timber frame or system-built walls, which typically offer good insulation properties when properly maintained. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £2859, comprising £2405 for heating, £193 for hot water, and £261 for lighting. The property produces 8.1 tonnes of CO2 per year, which is high for a UK home.
How Does Tewin Water Grange Compare?
With an energy efficiency score of 76/100, this WELWYN property is above average, performing better than 60% of UK properties. Energy costs of £2859 annually are £1059 above the UK average. Improvements could reduce bills significantly. At 384m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 8.1 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 AL6 postcode district.
How This Property Compares
vs UK Average
vs WELWYN
vs AL6
National Ranking: With an EPC score of 76/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £1843/year more than the WELWYN average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 25 May 2025
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Property Information
Full Address
Tewin Water Grange
Tewin Water
AL6 0AB
WELWYN
Property Type
House
Detached
Construction Age
England and Wales: 2003-2006
Floor Area
384.0 m²
8.0 total rooms
8.0 heated
Tenure
Owner-occupied
Efficiency Score
76 / 100
Potential: 79
CO₂ Emissions
8.1 tonnes/year
21 kg/m²
Energy Consumption
132 kWh/m²/year
Last Inspected
25 May 2025
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. Heating costs are £1389 above the local average, suggesting room for improvement. The AL6 postcode district contains over 3600 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and underfloor heating, mains gas, Boiler and underfloor heating, mains gas
£2405.0/yr
Hot Water
£193.0/yr
Lighting
77.0% low energy
£261.0/yr
Building Elements
Walls
Timber frame, as built, insulated (assumed)
Roof
Pitched, insulated (assumed)
Windows
Fully double glazed
Floor
Solid, insulated (assumed)
Heating System
Boiler and underfloor heating, mains gas, Boiler and underfloor heating, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 77% 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
Waterside Academy
PrimaryLast inspected: Jun 2022
The Holy Family Catholic Primary School
PrimaryLast inspected: Jul 2019
St John's CofE Primary School
PrimaryLast inspected: Apr 2023
Harwood Hill Junior Mixed Infant and Nursery School
PrimaryLast inspected: Mar 2023
Ridgeway Academy
SecondaryLast inspected: Jan 2023
Springmead Primary School
PrimaryLast inspected: Jul 2022
Panshanger Primary School
PrimaryLast inspected: Mar 2023
Tewin Cowper Church of England Voluntary Aided Primary School
PrimaryLast inspected: Jan 2019
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: 452 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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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.