Energy Performance Certificate
Heathfield House, Lockner Holt
GU4 8RG
GUILDFORD
Current
A
123
Potential
A
132
At a Glance
About This Property
This detached bungalow is located in GUILDFORD, GU4 8RG. The property offers 259m² (2788 sq ft) of generously-sized living space. With an EPC rating of A (123/100), this property is highly energy efficient, placing it in the top tier of UK homes. This property benefits from a air source heat pump system, which can deliver 3-4 units of heat for every unit of electricity used. Heat pumps are eligible for the £7,500 Boiler Upgrade Scheme grant, making them increasingly popular for UK homes seeking to reduce carbon emissions. Estimated annual energy costs are £1335, comprising £845 for heating, £282 for hot water, and £208 for lighting.
How Does Heathfield House Compare?
With an energy efficiency score of 123/100, this GUILDFORD property is outstanding, placing it in the top 3% of UK homes. At £1335 per year, energy costs are below the national average of £1800. At 259m², 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 GU4 postcode district.
How This Property Compares
vs UK Average
vs GUILDFORD
vs GU4
National Ranking: With an EPC score of 123/100, this property is excellent and performs better than approximately 97% of UK homes for energy efficiency.
Top 3% nationally
Energy Costs: £539/year more than the GUILDFORD average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 11 Mar 2024
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Property Information
Full Address
Heathfield House
Lockner Holt
Chilworth
GU4 8RG
GUILDFORD
Property Type
Bungalow
Detached
Construction Age
2020
Floor Area
259.0 m²
NaN total rooms
NaN heated
Tenure
Not defined - use in the case of a new dwelling for which the intended tenure in not known. It is not to be used for an existing dwelling
Efficiency Score
123 / 100
Potential: 132
CO₂ Emissions
-5.3 tonnes/year
-20 kg/m²
Energy Consumption
-120 kWh/m²/year
Last Inspected
11 Mar 2024
new dwelling
About GUILDFORD
GUILDFORD is situated in Surrey, South East. Properties in GUILDFORD have an average EPC rating of D (score 61/100). This property performs better than most homes in the area. The GU4 postcode district contains over 4900 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Air source heat pump, underfloor, electric
£845.0/yr
Hot Water
£282.0/yr
Lighting
100.0% low energy
£208.0/yr
Building Elements
Walls
Average thermal transmittance 0.21 W/m-¦K
Roof
Average thermal transmittance 0.16 W/m-¦K
Windows
High performance glazing
Floor
Average thermal transmittance 0.14 W/m-¦K
Heating System
Air source heat pump, underfloor, electric
Main Fuel
Electricity: electricity, unspecified tariff
Lighting
Low energy lighting in all fixed outlets
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View UK Property Insights →Nearby Schools
Within 3 miles of this property
Chilworth CofE (Aided) Infant School
PrimaryLast inspected: Jan 2014
Tillingbourne Junior School
PrimaryWonersh and Shamley Green CofE Aided Primary School
PrimaryLast inspected: Apr 2023
Shalford Infant School
PrimaryLast inspected: Feb 2023
Bramley CofE Aided Infant School and Nursery
PrimaryShere CofE Aided Infant School
PrimaryLast inspected: May 2019
Holy Trinity, Guildford, CofE Aided Junior School
PrimaryLast inspected: Dec 2018
St Thomas of Canterbury Catholic Primary School
PrimaryAbout 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: 46 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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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.