At a Glance
This semi-detached house is located in WATFORD, WD24 5NB. The property offers 143m² (1539 sq ft) of spacious living space with 7 habitable rooms. It is a characterful interwar or early 20th century home. The property holds an EPC rating of C (69/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (84/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The solid walls lack insulation. Solid wall insulation (external or internal) typically costs £8,000-£14,000 but can reduce heat loss by up to 35% and improve your EPC rating by 1-2 bands. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. 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 £1046, comprising £811 for heating, £106 for hot water, and £129 for lighting. The property produces 4.8 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in June 2021 for £517,500.
With an energy efficiency score of 69/100, this WATFORD property is above average, performing better than 60% of UK properties. Annual energy costs of £1046 are approximately £754 below the UK average of £1800, representing significant savings. At 143m², 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 WD24 postcode district.
National Ranking: With an EPC score of 69/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £438/year more than the WATFORD average
Current Rating
Potential Rating
With recommended improvements
Based on assessment dated 4 Aug 2020
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Full Address
3, Elm Grove
WD24 5NB
WATFORD
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1930-1949
Floor Area
143.0 m²
7.0 total rooms
7.0 heated
Tenure
owner-occupied
Efficiency Score
69 / 100
Potential: 84
CO₂ Emissions
4.8 tonnes/year
34 kg/m²
Energy Consumption
191 kWh/m²/year
Last Inspected
4 Aug 2020
marketed sale
WATFORD is situated in Hertfordshire, East of England. Properties in WATFORD have an average EPC rating of D (score 64/100). Heating costs are £203 above the local average, suggesting room for improvement. The WD24 postcode district contains over 8000 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the WATFORD area.
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£517,500
28 June 2021
Type: Semi-Detached
Heating
Boiler and radiators, mains gas
£811/yr
Save £249/yr
Hot Water
£106/yr
Lighting
64.0% low energy
£129/yr
Save £34/yr
Walls
Solid brick, as built, no insulation (assumed)
Roof
Pitched, insulated (assumed)
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 64% of fixed outlets
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£1,682/yr
£16,820 over 10 years
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£1,682/yr
£16,820 over 10 years
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Your house is ideal for solar. OVO: UK's #1 green energy supplier.
Your walls are rated Very Poor. External insulation can dramatically reduce heat loss.
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Within 3 miles of this property
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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.
Average download speed: 500 Mbps
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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Based on this property's characteristics, these guides might help you:
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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.