Energy Performance Certificate
The Annex, The Walled Garden, High Street
MK46 5JR
OLNEY
Current
C
77
Potential
C
80
At a Glance
About This Property
This detached flat is located in OLNEY, MK46 5JR. The property offers 107m² (1152 sq ft) of good-sized living space with 3 habitable rooms. It is a recently constructed modern home. The property holds an EPC rating of C (77/100), meeting the government's target standard for energy efficiency. This property benefits from a ground 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. 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 £642, comprising £276 for heating, £235 for hot water, and £131 for lighting. The property produces 2.4 tonnes of CO2 per year, which is low for a UK home.
How Does The Annex Compare?
With an energy efficiency score of 77/100, this OLNEY property is above average, performing better than 60% of UK properties. Annual energy costs of £642 are approximately £1158 below the UK average of £1800, representing significant savings. The 107m² floor area is above the UK average of 87m². At 2.4 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the MK46 postcode district.
How This Property Compares
vs UK Average
vs OLNEY
vs MK46
National Ranking: With an EPC score of 77/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £171/year less than the OLNEY average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 9 May 2014
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Property Information
Full Address
The Annex
The Walled Garden, High Street
Weston Underwood
MK46 5JR
OLNEY
Property Type
Flat
Detached
Construction Age
England and Wales: 2007 onwards
Floor Area
107.0 m²
3.0 total rooms
3.0 heated
Tenure
owner-occupied
Efficiency Score
77 / 100
Potential: 80
CO₂ Emissions
2.4 tonnes/year
22 kg/m²
Energy Consumption
125 kWh/m²/year
Last Inspected
9 May 2014
assessment for green deal
About OLNEY
OLNEY is situated in Milton Keynes, South East. Properties in OLNEY have an average EPC rating of D (score 62/100). This property performs better than most homes in the area. Heating costs are £537 below the OLNEY average, offering good value. The MK46 postcode district contains over 3400 registered properties. As a modern build, this property benefits from contemporary construction standards and improved energy efficiency requirements.
Location & Nearby Area
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Annual Energy Costs
Heating
Ground source heat pump, underfloor, electric
£276.0/yr
Hot Water
£235/yr
Save £37/yr
Lighting
0.0% low energy
£131.0/yr
Save £65/yr
Building Elements
Walls
Timber frame, as built, insulated (assumed)
Roof
Pitched, insulated at rafters
Windows
Fully double glazed
Floor
To unheated space, insulated (assumed)
Heating System
Ground source heat pump, underfloor, electric
Main Fuel
electricity (not community)
Lighting
No low energy lighting
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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
Olney Infant Academy
PrimaryLast inspected: Jun 2022
Olney Middle School
PrimaryLast inspected: Sept 2019
Stoke Goldington Church of England School
PrimaryLast inspected: Mar 2014
Sherington Church of England School
PrimaryLast inspected: May 2019
Newton Blossomville Church of England School
PrimaryLast inspected: Oct 2009
Yardley Hastings Primary School
PrimaryLast inspected: Sept 2011
Portfields Primary School
PrimaryLast inspected: Apr 2023
Cedars Primary School
PrimaryLast inspected: May 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: 340 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.