This Property
£1,816
estimated per year
UK Average
£1,800
per year
After Improvements
£915
potential per year
This property costs approximately £16 more per year than the UK average. Recommended improvements could save up to £901 annually.
🏛️ BUS Grant
£7,500
Off the cost of an air source heat pump. Available now — limited places.
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Get Solar Quote →With the right upgrades, this property could reach a D rating — saving up to £901 per year. Improvements are ranked by return on investment.
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£2,151/yr
£21,510 over 10 years
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£2,151/yr
£21,510 over 10 years
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Your walls are rated Poor. Cavity fill is quick and cost-effective.
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This detached house is located in GERRARDS CROSS, SL9 7HU. The property offers 117.2m² (1262 sq ft) of good-sized living space with 7 habitable rooms. It is a post-war property from the mid-20th century. Currently rated F (33/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a D rating (66/100). The gas central heating system has average efficiency, indicating a boiler that may be 10-15 years old. While functional, upgrading to a modern A-rated condensing boiler could improve efficiency by 15-25%. The walls feature cavity wall insulation for improved thermal efficiency. The loft insulation is rated very good, meeting or exceeding the recommended 270mm depth for optimal thermal performance. 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 £1816, comprising £1446 for heating, £243 for hot water, and £127 for lighting. The property produces 10.0 tonnes of CO2 per year, which is high for a UK home.
Current Rating
Achievable Rating
With recommended improvements
Based on assessment dated 7 Jun 2010
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, 300+ mm loft insulation
🪟 Windows
Mostly double glazing
📦 Floor
Suspended, no insulation (assumed)
🔥 Heating
Boiler and radiators, mains gas
🚿 Hot Water
NaN
💡 Lighting
15.0% low energy — Low energy lighting in 15% of fixed outlets
Full Address
3, High Beeches
SL9 7HU
GERRARDS CROSS
Property Type
House
Detached
Construction Age
England and Wales: 1950-1966
Floor Area
117.2 m²
7.0 total rooms
CO₂ Emissions
10.0 tonnes/year
88 kg/m²
Energy Consumption
522 kWh/m²/year
GERRARDS CROSS properties with F ratings are among the least energy efficient in the area. Properties in this postcode district (SL9) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
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🔥 Heating
Boiler and radiators, mains gas
£1446 /yr
Save £732/yr with improvements
🚿 Hot Water
£243 /yr
Save £110/yr with improvements
💡 Lighting
15.0% low energy
£127 /yr
Save £59/yr with improvements
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Within 3 miles of this property
Last inspected: Jun 2014
Last inspected: Nov 2014
Last inspected: Oct 2022
Last inspected: May 2018
Last inspected: Nov 2019
Last inspected: Oct 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.
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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All properties in SL9 • 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.